MEDIA ONE GROUP INC
SC 13D, 1998-09-21
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13D
                    Under the Securities Exchange Act of 1934

                           Telewest Communications plc
- --------------------------------------------------------------------------------
                                (Name of Issuer)

                 Ordinary Shares, par value 10 pence per share,
            represented by American Depositary Shares, each of which
                         represents ten Ordinary Shares
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                  87956P 10 5*
- --------------------------------------------------------------------------------
                                 (CUSIP Number)

                               Frank Eichler, Esq.
                              MediaOne Group, Inc.
                            188 Inverness Drive West
                            Englewood, Colorado 80112
                            Telecopy: (303) 858-5834

                                 with a copy to:

                                 Dennis J. Block
                          Cadwalader, Wickersham & Taft
                                 100 Maiden Lane
                               New York, NY 10038
                                 (212) 504-5555
- --------------------------------------------------------------------------------
(Name,  Address and Telephone Number of Person Authorized to Receive Notices and
Communications)

                               September 10, 1998
- --------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box
|_|.

Note:  Schedules  filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
to whom copies are to be sent.



CUSIP NO. 87956P 10 5.

- ----------
*CUSIP No. 87956 10 5 relates to the American Depositary Shares.
<PAGE>


                                  SCHEDULE 13D



CUSIP No. 87956P 10 5
- ----------------------



1      NAME OF REPORTING PERSON
       MEDIAONE GROUP, INC.
       (FORMERLY "U S WEST, INC.")

       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       54-0926774

- ------ -------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
       (See Instructions)(a) |_| (b) |X|
1
- ------ -------------------------------------------------------------------------
3      SEC USE ONLY
- ------ -------------------------------------------------------------------------
4      SOURCE OF FUNDS (See Instructions)
       WC
- ------ -------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO 
       ITEMS 2(d) or 2(e): |_|

       Not Applicable
- ------ -------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION
       Delaware
- --------------------- -------- -------------------------------------------------
                      7        SOLE VOTING POWER
                               463,438,960*
     NUMBER OF
       SHARES        -------- --------------------------------------------------
    BENEFICIALLY      8        SHARED VOTING POWER
      OWNED BY                 926,877,921**
        EACH  
     REPORTING        -------- -------------------------------------------------
       PERSON         9        SOLE DISPOSITIVE POWER
        WITH                   463,438,960*
             
                      -------- -------------------------------------------------
                      10       SHARED DISPOSITIVE POWER
                               926,877,921**
- -------- -----------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
         926,877,921*
- -------- -----------------------------------------------------------------------
12       CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
         (See Instructions) |_|

         Not Applicable
- -------- -----------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
         43.20% **
- -------- -----------------------------------------------------------------------
14       TYPE OF REPORTING PERSON (See Instructions)
         CO

- ----------

*  Excludes  up  to  a  maximum  of  180,000,000  Ordinary  Shares  of  Telewest
Communications plc ("Telewest") which,  pursuant to certain  conditions,  may be
acquired  by  MediaOne  International   Holdings,  Inc.   ("International"),   a
wholly-owned  subsidiary of MediaOne Group, Inc., pursuant to a letter agreement
(the "Letter  Agreement") with Southwestern Bell  International  Holdings (UK-1)
Corporation.

** All of the subject shares  (including those which may be acquired pursuant to
the Letter  Agreement) may be deemed to be beneficially  owned, for the purposes
of  Section  13(d) of the  Securities  Exchange  Act of 1934,  as  amended  (the
"Exchange Act") by MediaOne Group, Inc. by virtue of the Relationship  Agreement
and Operating Agreement referred to below. The filing of this Schedule 13D shall
not be construed as an admission  by MediaOne  Group,  Inc.  that it is, for the
purposes of Section  13(d) of the  Exchange  Act,  the  beneficial  owner of the
subject shares as to which it does not have sole voting and dispositive power.

<PAGE>


                                  SCHEDULE 13D


CUSIP No. 87956P 10 5
- ---------------------


1      NAME OF REPORTING PERSON
       MEDIAONE INTERNATIONAL HOLDINGS, INC.
       (FORMERLY "U S WEST INTERNATIONAL HOLDINGS, INC.")

       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       84-1083131

- ------ -------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
       (See Instructions)(a) |_| (b) |_|

- ------ -------------------------------------------------------------------------
3      SEC USE ONLY

- ------ -------------------------------------------------------------------------
4      SOURCE OF FUNDS (See Instructions)
       WC

- ------ -------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO 
       ITEMS 2(d) or 2(e):  |_|

       Not Applicable
- ------ -------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION
       Delaware
- --------------------- -------- -------------------------------------------------
                      7        SOLE VOTING POWER
                               463,438,960*
     NUMBER OF   
       SHARES         -------- -------------------------------------------------
    BENEFICIALLY      8        SHARED VOTING POWER
      OWNED BY                  926,877,921**
        EACH     
     REPORTING        -------- -------------------------------------------------
       PERSON         9        SOLE DISPOSITIVE POWER
        WITH                   463,438,960 *
                 
                 ---------------------------------------------------------------
                      10       SHARED DISPOSITIVE POWER
                               926,877,921**
- -------- -----------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
         926,877,921**

- -------- -----------------------------------------------------------------------
12       CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
         (See Instructions) |_|

         Not Applicable

- -------- -----------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
         43.20% **

- -------- -----------------------------------------------------------------------
14       TYPE OF REPORTING PERSON (See Instructions)
         CO

- ----------

* Pursuant  to the  Letter  Agreement  and  subject  to the  certain  conditions
therein,  International  may  acquire  up  to  180,000,000  Ordinary  Shares  of
Telewest.

** All of the subject shares  (including those which may be acquired pursuant to
the Letter  Agreement) may be deemed to be beneficially  owned, for the purposes
of  Section  13(d)  of  the  Exchange  Act by  International  by  virtue  of the
Relationship  Agreement and Operating Agreement referred to below. The filing of
this Schedule 13D shall not be construed as an admission by  International  that
it is, for the  purposes of Section  13(d) of the Exchange  Act, the  beneficial
owner of the  subject  shares  as to which it does  not  have  sole  voting  and
dispositive power.
<PAGE>


                                  SCHEDULE 13D


CUSIP No. 87956P 10 5
- ---------------------



1      NAME OF REPORTING PERSON
       MEDIAONE UK CABLE, INC.
       (FORMERLY "U S WEST UK CABLE, INC.")

       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       81-1145944

- ------ -------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
       (See Instructions)(a) |_| (b) |X|

- ------ -------------------------------------------------------------------------
3      SEC USE ONLY

- ------ -------------------------------------------------------------------------
4      SOURCE OF FUNDS (See Instructions)
       WC

- ------ -------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO 
       ITEMS 2(d) or 2(e): |_|

       Not Applicable

- ------ -------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION
       Colorado

- --------------------- -------- -------------------------------------------------
                      7        SOLE VOTING POWER
                               423,053,758
    NUMBER OF  
      SHARES   
   BENEFICIALLY      -------- --------------------------------------------------
     OWNED BY        8        SHARED VOTING POWER
       EACH                   926,877,921*
    REPORTING  
      PERSON         -------- --------------------------------------------------
       WITH          9        SOLE DISPOSITIVE POWER
                              423,053,758
             
                     -------- --------------------------------------------------
                     10       SHARED DISPOSITIVE POWER
                               926,877,921*

- -------- -----------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
         926,877,921*

- -------- -----------------------------------------------------------------------
12       CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
         (See Instructions) |_|

         Not Applicable

- -------- -----------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
         43.20%

- -------- -----------------------------------------------------------------------
14       TYPE OF REPORTING PERSON (See Instructions)
         CO

- ---------- 
* All of the subject shares  (including those which may be acquired  pursuant to
the Letter  Agreement) may be deemed to be beneficially  owned, for the purposes
of Section 13(d) of the Exchange Act by MediaOne UK Cable, Inc. by virtue of the
Relationship  Agreement and Operating Agreement referred to below. The filing of
this  Schedule  13D shall not be construed as an admission by MediaOne UK Cable,
Inc.  that it is, for the  purposes of Section  13(d) of the  Exchange  Act, the
beneficial  owner of the subject shares as to which it does not have sole voting
and dispositive power.

<PAGE>


                                  SCHEDULE 13D


CUSIP No. 87956P 10 5
- ---------------------



12     NAME OF REPORTING PERSON
       MEDIAONE CABLE PARTNERSHIP HOLDINGS, INC.
       (FORMERLY "U S WEST CABLE PARTNERSHIP HOLDINGS, INC.")

       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       84-1126521

- ------ -------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
       (See Instructions)(a) |_| (b) |_|

- ------ -------------------------------------------------------------------------
3      SEC USE ONLY

- ------ -------------------------------------------------------------------------
4      SOURCE OF FUNDS (See Instructions)
       WC

- ------ -------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO 
       ITEMS 2(d) or 2(e): |_|

       Not Applicable

- ------ -------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION
       Colorado

- --------------------- -------- -------------------------------------------------
                      7        SOLE VOTING POWER
                               40,385,202
     NUMBER OF   
       SHARES         
    BENEFICIALLY      -------- -------------------------------------------------
      OWNED BY        8        SHARED VOTING POWER
        EACH                   926,877,921*
     REPORTING   
       PERSON         
        WITH          -------- -------------------------------------------------
                      9        SOLE DISPOSITIVE POWER
                               40,385,202
             
                      -------- -------------------------------------------------
                      10       SHARED DISPOSITIVE POWER
                               926,877,921*
- -------- -----------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
         926,877,921*
- -------- -----------------------------------------------------------------------
12       CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
         (See Instructions) |_|

         Not Applicable

- -------- -----------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
         43.20% *
- -------- -----------------------------------------------------------------------
14       TYPE OF REPORTING PERSON (See Instructions)
         CO

- ----------

* All of the subject shares  (including those which may be acquired  pursuant to
the Letter  Agreement) may be deemed to be beneficially  owned, for the purposes
of Section  13(d) of the Exchange Act by MediaOne  Cable  Partnership  Holdings,
Inc. by virtue of the Relationship Agreement and Operating Agreement referred to
below. The filing of this Schedule 13D shall not be construed as an admission by
MediaOne  Cable  Partnership  Holdings,  Inc.  that it is, for the  purposes  of
Section 13(d) of the Exchange Act, the beneficial owner of the subject shares as
to which it does not have sole voting and dispositive power.

<PAGE>


Item 1. Security and Issuer

     This Statement relates to the ordinary shares, par value 10 pence per share
(the  "Telewest  Ordinary  Shares"),  of Telewest  Communications  plc, a public
limited company  incorporated under the laws of England and Wales  ("Telewest").
The address of the principal  executive  offices of Telewest is Genesis Business
Park, Albert Drive, Woking, Surrey, GU21 5RW, United Kingdom.

Item 2. Identity and Background.

          This statement is filed on behalf of MediaOne Group,  Inc., a Delaware
          corporation ("MediaOne Group"), MediaOne International Holdings, Inc.,
          a Delaware corporation  ("International"),  MediaOne UK Cable, Inc., a
          Colorado  corporation  ("UK Cable"),  and MediaOne  Cable  Partnership
          Holdings, Inc., a Colorado corporation ("Cable Partnership"). UK Cable
          and Cable  Partnership are wholly-owned  subsidiaries of International
          which is in turn a wholly-owned  subsidiary of MediaOne Group. As used
          herein,  "MediaOne"  is a  collective  reference  to  MediaOne  Group,
          International, UK Cable and Cable Partnership.

          Except for such shares that may be acquired under the Letter Agreement
          (as defined below),  all shares issued by Telewest described herein as
          beneficially  owned by MediaOne are beneficially  owned by TW Holdings
          L.L.C., a Colorado limited  liability  company ("TW Holdings").  Fifty
          percent   of  TW   Holdings   is   beneficially   owned  by   MediaOne
          (approximately  45.6% by UK Cable and 4.4% by Cable  Partnership)  and
          50% by United Artists Programming-Europe, Inc. ("UAP," an affiliate of
          Tele-Communications,  Inc.,  together with its  affiliates,  including
          Tele-Communications International, Inc., "TINTA").

          On September 10, 1998, International entered into the Letter Agreement
          (defined below) with Southwestern Bell  International  Holdings (UK-1)
          Corporation   ("SBUK"),  an  affiliate  of  SBC  Communications  Inc.,
          pursuant to which  International  agreed to acquire up to  180,000,000
          Telewest  Ordinary  Shares,  subject to certain  conditions more fully
          described below.

          The  name,   business  address,   present   principal   occupation  or
          employment, citizenship and the material occupation, position, offices
          or employments during the last five years of each current director and
          executive   officer  of  MediaOne  Group  is  set  forth  in  "Section
          Seven--Additional  Information--Directors  and  Executive  Officers of
          MediaOne Group, Inc." in Part I of the Disclosure Document, dated June
          29, 1998, of Telewest (the  "Disclosure  Document") a copy of which is
          filed as  Exhibit  (1)  hereto  and  which is  incorporated  herein by
          reference.



         (a)      NAME:

                  (1)      MediaOne Group, Inc.

                  (2)      MediaOne International Holdings, Inc.

                  (3)      MediaOne UK Cable, Inc.

                  (4)      MediaOne Cable Partnership Holdings, Inc.

         (b)      PLACE OF ORGANIZATION:

                  (1)      MediaOne Group, Inc. -- Delaware

                  (2)      MediaOne International Holdings, Inc. -- Delaware

                  (3)      MediaOne UK Cable, Inc. -- Colorado

                  (4)      MediaOne Cable Partnership Holdings, Inc. -- Colorado

         (c)      PRINCIPAL BUSINESS:

                    MediaOne  is  a  diversified   global  media  and  broadband
                    communications company engaged in domestic and international
                    broadband    communications   and   international   wireless
                    communications businesses.

         (d)      BUSINESS ADDRESS:

                  (1)      MediaOne Group, Inc.

                           188 Inverness Drive West
                           Englewood, Colorado 80112

                  (2)      MediaOne International Holdings, Inc.

                           9785 Maroon Circle
                           Englewood, Colorado 80112

                  (3) MediaOne UK Cable, Inc.

                           9785 Maroon Circle
                           Englewood, Colorado 80112

                  (4)      MediaOne Cable Partnership Holdings, Inc.

                           9785 Maroon Circle
                           Englewood, Colorado 80112

         (e)      CONVICTION IN A CRIMINAL PROCEEDING:
         (f)      PARTY IN AN ADMINISTRATIVE PROCEEDING:

                    During  the  last  five  years,  neither  MediaOne  nor,  to
                    MediaOne's  knowledge,  any current  director  or  executive
                    officer of  MediaOne  listed in  "Section  Seven--Additional
                    Information--Directors  and  Executive  Officers of MediaOne
                    Group,  Inc." in Part I of the Disclosure  Document has been
                    (a) convicted in a criminal  proceeding  (excluding  traffic
                    violations  or  similar  misdemeanors)  or (b) a party  to a
                    civil  proceeding  of a judicial or  administrative  body of
                    competent  jurisdiction  and as a result of such  proceeding
                    was or is  subject  to a  judgment,  decree  or final  order
                    enjoining  future  violations of, or prohibiting  activities
                    subject to, Federal or State  securities laws or finding any
                    violation of such laws.

Item 3. Source and Amount of Funds or Other Consideration.

     The  source of funds  for  MediaOne  in  connection  with all  transactions
described herein is and will be working capital.

Item 4. Purpose of the Transaction.

BACKGROUND

     The Merger Offer.

     On April 15, 1998,  the boards of Telewest and General  Cable PLC, a public
limited  company  incorporated  under the laws of  England  and Wales  ("General
Cable"),  announced that they agreed to the terms of a proposed merger.  Subject
to the  satisfaction  of  certain  pre-conditions,  Telewest  made an offer (the
"Merger Offer") to holders of General Cable Ordinary Shares,  par value (pound)1
per share (the "General Cable Ordinary  Shares"),  including holders of American
Depositary  Shares,  each  representing  five General Cable Ordinary Shares (the
"General Cable ADSs"), pursuant to the Offer to Purchase/Prospectus,  dated June
29, 1998 of  Telewest  (the  "Offer to  Purchase")  (a copy of which is filed as
Exhibit (2) to this Schedule 13D) on the following basis:

        For every General Cable         1.243 new Telewest  Ordinary  Shares and
        Ordinary Share                  65 pence in cash

        For every General Cable ADS     6.215 new Telewest  Ordinary  Shares and
                                        325 pence in cash

The terms of the Merger Offer (including the  pre-conditions and conditions with
respect  thereto) are set forth in the Offer to  Purchase,  which is included as
Exhibit  (2) to this  Schedule  13D and  which  is  incorporated  herein  in its
entirety by reference.

     On June 28, 1998, Telewest, in order to fund the cash element of the Merger
Offer,  offered to issue approximately 261 million new Telewest Ordinary Shares,
at a price of 92.5 pence per Telewest Ordinary Share (the "Pre-emptive  Issue"),
to Telewest  shareholders (except for certain non-US overseas  shareholders) and
the  holders of  convertible  preference  shares of Telewest  (which  preference
shares (the "Convertible  Preference Shares") were owned by MediaOne and certain
other significant  shareholders of Telewest and which were each convertible into
one Telewest Ordinary Share).

     In connection with the Offer to Purchase and as disclosed therein,  each of
MediaOne,  TINTA and Cox (as  defined  below)  undertook  to take up their  full
entitlement for new Telewest  Ordinary  Shares under the  Pre-emptive  Issue and
also undertook to subscribe for any remaining new Telewest  Ordinary  Shares not
taken  up  under  the  Pre-emptive  Issue  in  accordance  with  the  terms of a
subscription agreement entered into by MediaOne and such other shareholders. The
Merger Offer and the Pre-emptive  Issue,  together with various matters relating
thereto,  were approved by Telewest shareholders on July 28, 1998 and the Merger
Offer  became  unconditional  on September  1, 1998.  Pursuant to the  Operating
Agreement   and  the   Contribution   Agreement,   dated  April  15,  1998  (the
"Contribution  Agreement")  among MediaOne,  TINTA and TW Holdings,  TW Holdings
agreed to acquire an additional  15,340,370  Telewest Ordinary Shares which were
not taken up in the  Pre-emptive  Issue on behalf of each of MediaOne  and TINTA
(30,680,740 Telewest Ordinary Shares in total).

     Also, as stated in the Offer to Purchase, each of MediaOne,  TINTA, Cox and
SBC agreed to convert their entire respective holdings of Convertible Preference
Shares  into   Telewest   Ordinary   Shares  upon  the  Merger  Offer   becoming
unconditional  (September  1, 1998).  This  conversion  occurred on September 8,
1998.

     As of the closing of the Pre-emptive  Issue,  the conversion of Convertible
Preference  Shares  referenced  above,  and the  allotment of Telewest  Ordinary
Shares in the Merger  Offer,  MediaOne  and TW  Holdings  beneficially  own such
number of Telewest  Ordinary Shares as are described herein as being owned prior
to the consummation of the transactions contemplated by the Letter Agreement.

     The Relationship Agreement, the Operating Agreement and Related Matters.

     As of April 15, 1998, in connection  with the Merger  Offer,  MediaOne,  UK
Cable, Cable  Partnership,  TINTA, Cox  Communications,  Inc. and certain of its
affiliates (collectively,  "Cox"), certain affiliates of SBC Communications Inc.
(collectively,  "SBC")  and  Telewest  entered  into  an  Amended  and  Restated
Relationship   Agreement  (the  "Relationship   Agreement").   The  Relationship
Agreement became  effective as of September 1, 1998. The Relationship  Agreement
broadly  reflects the  arrangements  which were already in place among Telewest,
MediaOne,  TINTA, Cox and SBC under the various  agreements  entered into at the
time of flotation of Telewest in 1994 and its merger with SBC  CableComms  UK in
1995.

     As of September  11, 1998,  UK Cable,  Cable  Partnership  and UAP (a TINTA
affiliate)  entered  into an Amended and  Restated  Operating  Agreement  for TW
Holdings (the "Operating  Agreement").  Under the Operating Agreement beneficial
ownership  of  448,098,590  and  448,098,591   Telewest   Ordinary  Shares  were
transferred from MediaOne and TINTA, respectively,  to TW Holdings.  Pursuant to
the terms of the Operating Agreement, the managing directors of TW Holdings will
consist of four  persons,  two appointed by MediaOne and two appointed by TINTA,
the managing  directors will act by majority vote subject to certain  exceptions
requiring unanimous vote. In addition,  TW Holdings is not permitted to transfer
its Telewest shares,  subject to certain  exceptions,  without unanimous vote of
the managing directors. Furthermore, TW Holdings agrees to vote all its Telewest
shares in favor of any candidate for director of Telewest which either  MediaOne
or TINTA is  entitled  to nominate in  accordance  with  Telewest's  Articles of
Association or the Relationship Agreement.

     Pursuant to the Relationship  Agreement and the Operating Agreement,  TINTA
and MediaOne have agreed that,  on any matter  requiring  shareholder  approval,
they will vote their Telewest shares together in such manner as may be agreed by
them or, in the  absence  of such  agreement,  will vote their  Telewest  shares
together in the manner that would most  likely  continue  the status quo without
materially  increasing  Telewest's financial obligations or materially deviating
from its approved  budget and business  plan. If TINTA or MediaOne,  as the case
may be,  have a conflict of interest  in any  matter,  they shall  abstain  from
voting (or the Telewest  shares owned by TW Holdings  and  attributable  to them
shall not be voted) and the  members of the other  affiliate  group may vote the
Telewest shares  attributable  to them on such matter as they deem  appropriate.
These  voting  restrictions  will  lapse  after  December  31,  1999 if TINTA or
MediaOne so notifies the other party  following the disposal by such other party
of more than 43 million of its  Telewest  shares  other than to an  affiliate or
pursuant to a Permitted Demerger (defined as certain  distributions which result
in an affiliate of the transferor owning 80% or more of the transferor's  shares
in Telewest) or with the first party's consent.

     The  Relationship  Agreement also provides that for so long as either TINTA
or  MediaOne  holds  15% or  more  of the  Telewest  shares  in  issue  assuming
conversion  of all  Telewest  Convertible  Preference  Shares  then in issue and
ignoring all  Telewest  shares  issued  pursuant to or for the purposes of share
options (a  "Qualifying  Interest"),  the consent of TINTA  and/or  MediaOne (as
appropriate)  must be  obtained  by  Telewest  before:  (a) making any  material
acquisition  or disposal out of the ordinary  course of business;  (b) incurring
any  borrowings  or  indebtedness  in the nature of  borrowings  or granting any
security  interests  in excess of (pound) 50  million  in  aggregate  (excluding
borrowings  under  facilities  in place at the date the  Relationship  Agreement
became  effective and any  borrowings or security  interests  consented to after
that date);  (c)  allotting or issuing  shares or  securities  convertible  into
shares or  granting  options  other  than  pursuant  to the  Pre-emptive  Rights
described on page I-75 of the Disclosure Document,  the Pre-emptive Issue or the
conversion  of  Preference  Shares (as  defined  below) or  pursuant  to options
(depending on their terms), convertibles or similar securities granted or issued
before the date of the  Relationship  Agreement or with the  necessary  consents
after the date on which the Relationship  Agreement  becomes  unconditional  and
certain other exceptions; (d) appointing or removing the chief executive officer
of Telewest; or (e) increasing the number of directors holding office beyond 14.

     The  Relationship  Agreement  provides  that  Telewest and the  shareholder
groups party to the Relationship  Agreement will accept a number of restrictions
on their ability to extend the scope of their business.

     For the purpose of these restrictions,  the following definitions set forth
in the Relationship Agreement apply:

              "Cable  Telephony"  means  any  voice  or data  telecommunications
         service  which  operates  in  whole  or  in  part  by  cable  links  to
         subscribers'  premises,  is  interconnected  at some  point to a public
         switching network and is intended to serve customers in the UK.

              "Cable  Television"  means any service  provided to customers on a
         subscription or pay-per-view  basis which sends sounds or visual images
         or both by means of cable, radio or microwave  transmission systems for
         television  reception  at two  or  more  locations,  whether  sent  for
         simultaneous   reception   or  at   different   times  in  response  to
         subscribers' requests,  including, without limitation,  video-on-demand
         services  and  other  interactive  services  and  other  entertainment,
         telecommunications and information services.

     Pursuant to the  Relationship  Agreement,  each of TINTA and  MediaOne  has
accepted  certain  non-compete  obligations for so long as TINTA or MediaOne (as
appropriate) has a Qualifying  Interest and for one year thereafter.  Equivalent
restrictions  apply to SBC and Cox for so long as they have a Lesser  Qualifying
Interest (as defined in the Relationship Agreement) and for one year thereafter.
The  provisions  restrict  direct  ownership  of UK Cable  Television  and Cable
Telephony  assets and the acquisition of equity interests in companies with such
assets  subject to certain de minimis  and other  exceptions,  and allow  TINTA,
MediaOne,  SBC or Cox  (as  appropriate)  to  take  up an  otherwise  restricted
opportunity  in  Cable  Television  or Cable  Telephony  in the  United  Kingdom
provided that they first offer the opportunity to Telewest.

     Affiliates  of  TINTA,  MediaOne,  SBC  and Cox  have  entered  into  "gain
recognition  agreements"  (the "GRAs") with the US Internal  Revenue  Service in
connection  with the transfer of stock to Telewest  upon its formation by merger
in 1995. GRAs provide that for a specified number of years (generally, 10 years)
a US person who  transfers  stock to a foreign  corporation  will be required to
recognize gain, for US tax purposes,  attributable  to the transferred  stock in
the event the transferee foreign  corporation  disposes of the transferred stock
(or all or a substantial  portion of the assets of the  corporation  whose stock
was  transferred).  To ensure  that gain will not be  triggered  under the GRAs,
Telewest  has  made  certain   covenants  under  the   Relationship   Agreement,
restricting its ability to dispose of its assets,  in favor of TINTA,  MediaOne,
SBC and Cox to the extent any group individually holds, or MediaOne and TINTA or
SBC and Cox collectively hold, 7.5% or more of the Telewest shares.

     TINTA  and  MediaOne  have  agreed  amongst  themselves   pursuant  to  the
Relationship  Agreement  that no transfers are permitted by members of the TINTA
Group (as  defined in the  Relationship  Agreement)  or the  MediaOne  Group (as
defined in the Relationship  Agreement)  before December 31, 1999 other than (a)
to an "Affiliate" (defined as a person controlled by, controlling or under joint
control  with the relevant  member of the TINTA Group or the MediaOne  Group) or
(b) with the written  consent of the other and  approval of the  identity of the
transferee  and (if the  transferee  becomes a member of the TINTA  Group or the
MediaOne Group) the transferee agreeing to adhere to the Relationship  Agreement
or (c) pursuant to a Permitted Demerger.

     After December 31, 1999, any proposed transfers by a member of the MediaOne
Group or the TINTA Group will be subject to rights of first  refusal in favor of
the other of TINTA or MediaOne. These provisions will not apply to (a) transfers
to an Affiliate  of TINTA or MediaOne or (b) a transfer  pursuant to a Permitted
Demerger,  provided that any  transferee  which becomes a member of the relevant
group executes a deed of adherence to the Relationship Agreement.

     The Relationship Agreement also contains buy-sell provisions as between the
MediaOne  Group and the TINTA Group in the event of certain  changes of control.
Where the  MediaOne  Group or the TINTA  Group is subject to a change of control
for these  purposes,  the group which is unaffected by the change of control may
offer to buy the  shares of the  affected  group  (or to sell its  shares to the
affected  group)  specifying  a price at which it is prepared to buy or sell for
these purposes or to consent to the change of control.  If the unaffected  group
does not consent,  the affected  group has the right to choose whether to buy or
sell at that price.

     All  transfers  by SBC or Cox are subject to rights of first offer in favor
of TINTA and MediaOne other than in respect of: (a) Public Transfers (as defined
in the Relationship Agreement); (b) transfers where the shares remain controlled
by SBC or Cox; (c)  transfers to members of the same group or from SBC to Cox or
vice  versa,  provided  the  transferee  agrees to be bound by the  Relationship
Agreement;  or (d)  transfers  following a general  takeover  offer for Telewest
(whether by a third party or by SBC or Cox).

     The Operating  Agreement  further  provides that neither MediaOne nor TINTA
will  transfer all or a portion of its  ownership  interest in TW Holdings on or
before  December 31, 1999 (except to affiliates  and certain  other  exceptions)
unless (a) the prior  written  consent of the other party is  obtained,  (b) the
other party approves,  in its sole  discretion,  the identity of the transferee,
and (c) the  transferee  executes a counterpart to the  Relationship  Agreement.
Furthermore,  under the Operating Agreement, if either MediaOne or TINTA desires
to transfer its ownership  interest in TW Holdings to a third-party it must give
a right of first refusal to the other party. In the event of a change of control
of either  MediaOne or TINTA,  such party must give notice  thereof to the other
party and provide the other party with an  opportunity  to either consent to the
change  of  control  or offer a price at which  the  responding  party is either
willing to sell to the notifying party the responding party's ownership interest
in TW Holdings or purchase all of the notifying party's such ownership interest.
Each party to the Operating  Agreement  also agrees that if such party  acquires
additional  shares of Telewest,  the beneficial  interest in such shares will be
contributed  to TW  Holdings  with a  corresponding  increase  in  such  party's
ownership interest in TW Holdings.

     Furthermore, as contemplated in the Merger Offer and in accordance with the
Relationship  Agreement,  Telewest  adopted revised Articles of Association (the
"Articles of Association") which provide,  among other things,  that, (a) for so
long as  MediaOne  or TINTA  holds a  Qualifying  Interest,  such entity will be
entitled to appoint two  persons to the board of  directors;  (b) for so long as
MediaOne or TINTA holds at least a Lesser Qualifying Interest,  such entity will
be entitled to appoint one person to the board of directors; and (c) for so long
as SBC,  Cox or Vivendi (as defined  below)  holds at least a Lesser  Qualifying
Interest,  such  entity  will be  entitled to appoint one person to the board of
directors.  The Articles of Association  further  provide that each committee of
the board of directors of Telewest must include at least one director designated
by MediaOne and one director designated by TINTA;  provided that the majority of
members of each  committee  and the chairman  thereof  shall be  independent  of
MediaOne  and TINTA.  Furthermore,  for so long as Cox,  SBC and  Vivendi  own a
Lesser  Qualifying  Interest,  they may  appoint a  non-voting  observer  to any
committee.

     Telewest  has  also  agreed  under  the  Relationship  Agreement  that  the
directors it appoints  shall be individuals  that are  reasonably  acceptable to
MediaOne and TINTA. The agreement of MediaOne and TINTA in relation to the above
matters will only be required so long as that  shareholder  retains a Qualifying
Interest.

     Also,  in connection  with the Merger Offer and pursuant to a  Registration
Rights  Agreement,  dated  October 3, 1995,  as  amended by  Amendment  No. 1 to
Registration  Rights Agreement,  dated June 29, 1998 (the  "Registration  Rights
Agreement"), Telewest has agreed that TINTA, MediaOne, SBC, Cox and Vivendi S.A.
(the  principal  stockholder  of  General  Cable  prior  to  the  Merger  Offer,
"Vivendi")  will have the  right,  subject  to certain  limited  exceptions,  to
require  Telewest  to  include  all or any  portion  of  their  Telewest  shares
(including those arising from a conversion of Telewest Preference Shares) in any
registered  offering by Telewest of Telewest  shares under the US Securities Act
of 1933, as amended (the  "Securities  Act"),  or in a public  offering under UK
law. In addition,  TINTA, MediaOne,  SBC, Cox and Vivendi will have the right to
cause  Telewest on up to ten  separate  occasions  (two  exercisable  by each of
TINTA,  MediaOne,  SBC,  Cox and  Vivendi)  to  offer  all or any  part of their
Telewest shares for sale in a registered offering under the Securities Act or in
a public offering under UK law.

     The foregoing  descriptions of the  Relationship  Agreement,  the Operating
Agreement, the Registration Rights Agreement,  the Articles of Association,  and
the  Contribution  Agreement  are  summaries  thereof  and do not  purport to be
complete  and  are  qualified  in  their  entirety  to  the  full  text  of  the
Relationship  Agreement,   the  Operating  Agreement,  the  Registration  Rights
Agreement,  the  Amendment  No. 1  thereto,  Articles  of  Association,  and the
Contribution  Agreement,  copies of which have been attached  hereto as Exhibits
(4), (5), (6), (7), (8) and (9) and are incorporated by reference herein.



LETTER AGREEMENT

     On September 10, 1998,  International  entered into a letter agreement (the
"Letter  Agreement")  with SBUK pursuant to which,  within five business days of
the  satisfaction  of  certain  conditions  set forth in the  Letter  Agreement,
International  (or its designee)  agreed to purchase from SBUK up to 180,000,000
Telewest  Ordinary  Shares,  subject to a minimum  number  (the  "Minimum  Share
Number") equal to the lesser of (a) 170,000,000 Telewest Ordinary Shares and (b)
the number of Telewest Ordinary Shares as shall be available for SBUK to sell to
International  following  any  exercise  by TINTA of its right of first  refusal
contained in the Relationship  Agreement.  The Letter Agreement further provides
that the number of Telewest Ordinary Shares that SBUK will sell to International
shall be equal to (a) the lesser of such number of Telewest  Ordinary  Shares as
when  aggregated  with those held by MediaOne  (including  its concert  parties)
would  represent  29.9% of the voting  rights of Telewest  (but in no event less
than the Minimum Share Number) or (b) all of the 180,000,000  Telewest  Ordinary
Shares or any lesser  number of Telewest  Ordinary  Shares as shall be available
for SBUK to sell  following  any  exercise  by TINTA of its right of first offer
contained in the  Relationship  Agreement.  The Telewest  Ordinary  Shares which
International  will  acquire  (subject to the  provisions  described  above) are
referred  to as the "SBC Sale  Shares."  According  to the  provisional  figures
produced in  connection  with the Merger Offer by J. Henry  Schroder & Co., Ltd.
London  ("Schroders"),  dated  September 7, 1998, and  aggregating the number of
shares already  treated as held by MediaOne,  the number of SBC Sale Shares that
International believes that it will be entitled to acquire will be 178,077,333.

The purchase of the SBC Sale Shares by International is conditioned  upon, among
other things:

     a.   (subject to Schroders  first  confirming to MediaOne the number of SBC
          Sale  Shares  which  MediaOne  is  entitled  to acquire  and  MediaOne
          notifying SBC of that number) either SBC providing a waiver from TINTA
          in respect of the SBC Sale Shares  regarding the rights of first offer
          under  clause  9.1  of the  Relationship  Agreement  or SBC  providing
          written notice to commence the procedures  prescribed by clause 9.1 in
          respect of the SBC Sale  Shares and once  completed  SBC being free to
          sell the SBC Sale Shares to International  Holdings upon the terms set
          forth in the Letter Agreement;

     b.   the London  Takeover and Mergers  Panel (the  "Panel")  confirming  by
          Friday,  September 25, 1998 that should  International not acquire the
          whole of SBC's  shareholdings  in  Telewest,  it will not treat SBC as
          acting  in  concert  with  International  (such  that  SBC's  residual
          shareholding   would  be   aggregated   with  the   shareholdings   of
          International  and  its  other  concert  parties  so as to  trigger  a
          mandatory offer requirement under Rule 9 of the City Code on Takeovers
          and Mergers);

     c.   the Panel confirming by Friday,  September 25, 1998 that International
          will not be  entitled  or obliged to acquire any shares in the capital
          of Telewest the  acquisition of which would trigger a mandatory  offer
          requirement under Rule 9 of the City Code on Takeovers and Mergers;

     d.   compliance  by Friday,  September 25, 1998 by  International  with all
          applicable  US  legal  requirements  including,   without  limitation,
          applicable United States Federal and State securities laws.

     Assuming the acquisition by MediaOne of 178,077,333  SBC Sale Shares,  upon
consummation  of such  transaction  MediaOne  will  indirectly  own  641,516,293
Telewest  Ordinary  Shares or  29.96% of the  issued  and  outstanding  Telewest
Ordinary Shares.

     The foregoing  description of the Letter Agreement is a summary thereof and
does not  purport  to be  complete.  The full text of the  Letter  Agreement  is
attached hereto as Exhibit (10) and in incorporated herein by reference.

     Subject to the  restrictions  contained  in the  Operating  Agreement,  the
Relationship  Agreement  and the Articles of  Association,  MediaOne may acquire
additional  Telewest  Ordinary Shares or dispose of Telewest  Ordinary Shares at
any time and from  time to time  through  open  market  transactions,  privately
negotiated transactions or otherwise, the effect of which could have one or more
of the results  described in subparagraphs (a) through (j) of Item 4 of Schedule
13D. It should be noted that there are no assurances  that MediaOne would engage
in any such transaction.

Item 5. Interest in Securities of the Issuer.

     (a)-(b)  As of  consummation  of  the  Pre-emptive  Issue,  the  conversion
referred to above and the Merger Offer,  MediaOne  beneficially owns 463,438,960
Ordinary Shares or 20.06% of the outstanding  Telewest Ordinary Shares. Of those
463,438,960 shares,  409,009,895 shares and 39,088,695 shares are held of record
by UK Cable and Cable Partnership,  respectively, and 15,340,370 shares are held
of record by TW Holdings.  The  15,340,370  shares held of record by TW Holdings
are attributed to MediaOne due to its 50% interest in TW Holdings,  its right to
have those shares distributed to MediaOne and certain other voting  arrangements
discussed  above with respect  thereto.  As of  consummation  of the Pre-emptive
Issue,  the  conversion  referred to above and the Merger  Offer,  TINTA and its
affiliates  beneficially owned 463,438,961 Telewest Ordinary Shares or 20.06% of
the outstanding  Telewest Ordinary Shares. All of the shares  beneficially owned
by both MediaOne and TINTA are beneficially owned by TW Holdings,  which in turn
is owned 50% by MediaOne and 50% by TINTA. The filing of this Schedule 13D shall
not be construed  as an  admission by MediaOne.  that it is, for the purposes of
Section 13(d) of the Exchange Act, the beneficial owner of the Telewest Ordinary
Shares beneficially owned by TINTA.

     Upon consummation of the transactions  contemplated by the Letter Agreement
(and based upon the  information  provided by  Schroders as  referenced  above),
MediaOne  will  beneficially  own up to  641,516,293  Telewest  Ordinary  Shares
(representing  up to 29.96% of the  issued  and  outstanding  Telewest  Ordinary
Shares) depending upon the number of Telewest Ordinary Shares purchased by TINTA
pursuant to its right of first refusal contained in the Relationship Agreement.

     To the  best  knowledge  of  MediaOne,  no  Telewest  Ordinary  Shares  are
beneficially  owned  by any of the  persons  set  forth  in  "Section  Seven  --
Additional  Information -- Directors and Executive  Officers of MediaOne  Group,
Inc." in Section  Seven of Part I of the  Disclosure  Document,  except for such
beneficial ownership, if any, arising solely from the Relationship Agreement and
Operating  Agreement or in such  person's  capacity as an officer or director of
MediaOne.

     (c) Neither MediaOne nor, to the best knowledge of MediaOne, any person set
forth in "Section  Seven --  Additional  Information  -- Directors and Executive
Officers of MediaOne  Group,  Inc." in Part I of the  Disclosure  Document,  has
effected any  transaction in Telewest  Ordinary  Shares during the past 60 days,
except as disclosed herein.

     (d) Not applicable.

     (e) Not applicable.

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to
        Securities of the Issuer.

     Other than as  described in Items 4 and 5 above,  to the best  knowledge of
MediaOne, there are no contracts, arrangements,  understandings or relationships
(legal or otherwise)  among the persons named in Item 2 and between such persons
and any person with respect to any  securities of Telewest,  including,  but not
limited to, transfer or voting of any securities, finder's fees, joint ventures,
loan or option arrangements,  puts or calls, guarantees of profits,  division of
profits or loss, of the giving or withholding of proxies.

Item 7. Material to be Filed as Exhibits.

Exhibit No.          Description

     (1)  Disclosure Document of Telewest, dated June 29, 1998. (A)

     (2)  Offer to Purchase/Prospectus of Telewest, dated June 29, 1998. (A)

     (3)  Prospectus Supplement issued by Telewest dated August 20, 1998. (B)

     (4)  Amended  and  Restated  Relationship  Agreement,  made as of April 15,
          1998,  between  MediaOne  International  Holdings,  Inc.,  MediaOne UK
          Cable,   Inc.,    MediaOne   Cable   Partnership    Holdings,    Inc.,
          Tele-Communications     International,     Inc.,     United    Artists
          Programming-Europe,   Inc.,   Cox   Communications,   Inc.,  Cox  U.K.
          Communications,  L.P.,  SBC  International,  Inc.,  Southwestern  Bell
          International Holdings (UK-1) Corporation and Telewest  Communications
          plc. (A)

     (5)  Form of Amended  and  Restated  Operating  Agreement  of TW  Holdings,
          L.L.C. (C)

     (6)  Registration  Rights Agreement,  dated October 3, 1995, among Telewest
          and the other parties references  therein.  (Incorporated by reference
          to Telewest's Annual Report on Form 10-K filed with the Securities and
          Exchange Commission on April 1, 1996.)

     (7)  Form of Amendment No. 1 to the Registration Rights Agreement, dated as
          of June 29,  1998,  among  Telewest and the other  parties  referenced
          therein. (A)

     (8)  Form of amended and restated Articles of Association of Telewest. (A)

     (9)  Form  of  Contribution  Agreement  among  MediaOne  Cable  Partnership
          Holdings, Inc. and the other parties thereto. (C)

     (10) Letter   Agreement,   dated  September  10,  1998,   between  MediaOne
          International  Holdings,  Inc.  and  Southwestern  Bell  International
          Holdings (UK-1) Corporation. (C)

- -------------------------

(A)  Incorporated  by  reference  to the  Registration  Statement on form S-4 of
     Telewest (File No. 333-50201).

(B)  Incorporated by reference to Amendment No. 4 to the Schedule 14D-1 filed by
     Telewest and  MediaOne  (among  others)  with  respect to General  Cable on
     August 21, 1998.

(C)  Filed herewith.



<PAGE>



     After  reasonable  inquiry  and to the best  knowledge  and  belief  of the
undersigned,  the  undersigned  certifies that the information set forth in this
statement is true, complete and correct.

Date: September 21, 1998

                             MEDIAONE GROUP, INC.


                             By:  /s/ Stephen E. Brilz
                                  --------------------
                                    Name:  Stephen E. Brilz
                                    Title  Assistant Secretary

                             MEDIAONE INTERNATIONAL HOLDINGS, INC.


                             By:  /s/ Stephen E. Brilz
                                  --------------------
                                    Name:  Stephen E. Brilz
                                    Title  Assistant Secretary

                             MEDIAONE UK CABLE, INC.


                             By:  /s/ Stephen E. Brilz
                                  --------------------
                                    Name:  Stephen E. Brilz
                                    Title  Assistant Secretary

                             MEDIAONE CABLE PARTNERSHIP HOLDINGS, INC.


                             By:  /s/ Stephen E. Brilz
                                  --------------------
                                    Name:  Stephen E. Brilz
                                    Title  Assistant Secretary






<PAGE>



                                  EXHIBIT INDEX



Exhibit No.          Description

     (1)  Disclosure Document of Telewest, dated June 29, 1998. (A)

     (2)  Offer to Purchase/Prospectus of Telewest, dated June 29, 1998. (A)

     (3)  Prospectus Supplement issued by Telewest dated August 20, 1998. (B)

     (4)  Amended  and  Restated  Relationship  Agreement,  made as of April 15,
          1998,  between  MediaOne  International  Holdings,  Inc.,  MediaOne UK
          Cable,   Inc.,    MediaOne   Cable   Partnership    Holdings,    Inc.,
          Tele-Communications     International,     Inc.,     United    Artists
          Programming-Europe,   Inc.,   Cox   Communications,   Inc.,  Cox  U.K.
          Communications,  L.P.,  SBC  International,  Inc.,  Southwestern  Bell
          International Holdings (UK-1) Corporation and Telewest  Communications
          plc. (A)

     (5)  Form of Amended  and  Restated  Operating  Agreement  of TW  Holdings,
          L.L.C. (C)

     (6)  Registration  Rights Agreement,  dated October 3, 1995, among Telewest
          and the other parties references  therein.  (Incorporated by reference
          to Telewest's Annual Report on Form 10-K filed with the Securities and
          Exchange Commission on April 1, 1996.)

     (7)  Form of Amendment No. 1 to the Registration Rights Agreement, dated as
          of June 29,  1998,  among  Telewest and the other  parties  referenced
          therein. (A)

     (8)  Form of amended and restated Articles of Association of Telewest. (A)

     (9)  Form  of  Contribution  Agreement  among  MediaOne  Cable  Partnership
          Holdings, Inc. and the other parties thereto. (C)

     (10) Letter   Agreement,   dated  September  10,  1998,   between  MediaOne
          International  Holdings,  Inc.  and  Southwestern  Bell  International
          Holdings (UK-1) Corporation. (C)

- -------------------------

(A)  Incorporated  by  reference  to the  Registration  Statement on form S-4 of
     Telewest (File No. 333-90201).

(B)  Incorporated by reference to Amendment No. 4 to the Schedule 14D-1 filed by
     Telewest and  MediaOne  (among  others)  with  respect to General  Cable on
     August 21, 1998.

(C)  Filed herewith.


                                                                     EXHIBIT (5)

                              AMENDED AND RESTATED
                               OPERATING AGREEMENT

                                       OF

                               TW HOLDINGS, L.L.C.


     This Amended and Restated  Operating  Agreement is made as of _________ __,
1998 by the members of TW Holdings, L.L.C., a Colorado limited liability company
(the "Company").

                                    RECITALS

     WHEREAS,  United Artists  Programming-Europe,  Inc.  ("UAPE"),  U S WEST UK
Cable,  Inc.  ("USW-UK")  and U S WEST Cable  Partnership  Holdings,  Inc. ("USW
Holdings"),  the members of the Company (collectively,  the "Members"),  entered
into an  Operating  Agreement  for the  Company  dated as of June 16,  1995 (the
"Original Agreement");

     WHEREAS,  on the date of this Agreement [a] Cox U.K.  Communications,  L.P.
(the "Cox  Shareholder")  will sell and assign to the Company  certain  ordinary
shares of  Telewest  Communications  plc owned by it  (other  than the  economic
benefits  associated  with  such  shares,  which  will  be  retained  by the Cox
Shareholder),  [b] the Members  will make cash  contributions  to the Company to
fund the purchase of additional  ordinary shares of Telewest  Communications plc
and [c] the  Members  will  purchase  additional  ordinary  shares  of  Telewest
Communications  plc, the beneficial  interests in which they will  contribute to
the Company; and

     WHEREAS,  the Members have determined that it is in their best interests to
amend and restate the Original Agreement as set forth herein.

     NOW,  THEREFORE,  in consideration  of their mutual  promises,  the Members
agree as follows:


ARTICLE 1: FORMATION AND DEFINITIONS

     1.1 Formation.  The Company was formed on June 16, 1995 by filing  Articles
with the Colorado Secretary of State pursuant to the Act.


<PAGE>

     1.2 Company Name.  The business of the Company will be conducted  under the
name "TW Holdings, L.L.C." or any other name determined from time to time by the
Board in accordance with applicable law.

     1.3 Office and Agent.  The registered  office of the Company in Colorado is
at 5619 DTC Parkway,  Englewood,  Colorado  80111,  and its registered  agent is
Stephen M. Brett. The Company may subsequently  change its registered  office or
registered agent in Colorado in accordance with the Act.

     1.4 Foreign  Qualification.  The Company  will apply for a  certificate  of
authority  to do  business in any other  jurisdiction  where such  authority  is
required.

     1.5 Term.  The Company  began on the date its Articles  were filed with the
Colorado Secretary of State and will continue until its Dissolution.

     1.6  Definitions.  The  following  capitalized  terms,  when  used  in this
Agreement, have the meanings set forth below:

     Act: the Colorado  Limited  Liability  Company Act, as amended from time to
time.

     Additional  Contribution:  a capital  contribution  (other than the Initial
Contributions) that a Member makes to the Company, as described in Section 4.4.

     Affiliate:  with  respect  to any  Person,  any other  Person  directly  or
indirectly Controlling,  directly or indirectly Controlled by or under direct or
indirect common Control with such Person.

     Agreement:  this Amended and Restated Operating Agreement,  as amended from
time to time.

     Articles:  the articles of organization of the Company filed under the Act,
as amended from time to time.

     Bankruptcy:  of a Member will be deemed to occur when such Member [a] files
a voluntary petition in bankruptcy, [b] is adjudged bankrupt or insolvent or has
entered  against such Member an order for relief in any bankruptcy or insolvency
proceeding,  [c]  files a  petition  or  answer  seeking  for  such  Member  any
reorganization, arrangement, composition, readjustment, liquidation, dissolution
or similar relief under any statute,  law or regulation,  [d] files an answer or
other  pleading  admitting or failing to contest the material  allegations  of a
petition  filed  against  such  Member in any  proceeding  of that nature or [e]
seeks,  consents to or acquiesces in the  appointment of a trustee,  receiver or
liquidator of all or any substantial part of such Member's property.

     Board: as defined in Section 3.2.


<PAGE>

     Capital Account:  the book capital account to be established and maintained
for each Member in accordance with this Agreement.

     Capital Contribution:  any contribution by a Member to the Company which is
either an Initial Contribution or an Additional Contribution.

     Change in Control:  with respect to U S WEST International  Holdings,  Inc.
("USWIH") and its  Affiliates  (other than MediaOne) or TINTA and its Affiliates
(other  than TCI),  the  acquisition  (whether by merger,  consolidation,  sale,
assignment,  lease,  transfer or otherwise,  in one  transaction  or any related
series of  transactions)  of  beneficial  ownership  by any Person  (other  than
pursuant to a  distribution  in specie,  spin off, share  dividend,  demerger or
similar  transaction  and other than,  with respect to  beneficial  ownership of
equity  interests  in  TINTA  or any of its  Affiliates,  by TINTA or any of its
Affiliates  and,  with respect to  beneficial  ownership of equity  interests in
USWIH or any of its  Affiliates,  by USWIH or any of its  Affiliates)  of equity
interests in USWIH and/or any of its  Affiliates  (other than MediaOne) or TINTA
and/or any of its  Affiliates  (other than TCI), as the case may be, as a result
of which such Person has the power, directly or indirectly, to direct the voting
and disposition of Ordinary Shares held by TINTA and its Affiliates or USWIH and
its Affiliates, as the case may be, representing at least 15% of the outstanding
Ordinary Shares of Telewest. For purposes of this definition,  a Member shall be
deemed to control the voting and disposition of such Member's Pro Rata Shares. A
Change in Control shall be deemed voluntary if it is the result of a transaction
agreed to by TINTA or any of its  Affiliates or USWIH or any of its  Affiliates,
as the case may be. A Change in Control shall be deemed involuntary if it is the
result of actions by Persons (other than TINTA or any of its Affiliates or USWIH
or any of its  Affiliates,  as the case may be) taken  without the  agreement or
consent of TINTA or any of its Affiliates or USWIH or any of its Affiliates,  as
the case may be.

     Closing  Price:  [a] with  respect to Ordinary  Shares to be offered on the
London  Stock  Exchange,  will be the sale price which  appears on the  relevant
Reuters Screen No. for Telewest as of 11:00 a.m. (London time) on a Trading Day,
provided  that if such Ordinary  Shares do not appear on such Reuters  Screen or
such Reuters Screen is temporarily  unavailable,  the sale price with respect to
the Ordinary  Shares will be the last  reported  sale price which appears in the
Official List of the London Stock Exchange on a Trading Day and [b] with respect
to Ordinary  Shares to be offered on the New York Stock Exchange or another U.S.
national securities exchange in the form of ADSs, will be the last reported sale
price on a Trading Day on such  exchange or, if no such sale takes place on such
day,  the  average of the high and low sales  prices for such day as reported on
the New York Stock Exchange  Composite  Tape, or, if no such sales are reported,
the


<PAGE>

reported  last sale price  (or,  if no such sale  takes  place on such day,  the
average of the reported  closing bid and asked prices),  on the Nasdaq  National
Market,  or if the ADSs are not quoted on such National  Market,  the average of
the closing bid and asked prices in the over-the-counter  market as furnished by
any New York Stock Exchange member firm selected by the Board for that purpose.

     Code:  the  Internal  Revenue  Code of 1986,  as amended  from time to time
(including corresponding provisions of subsequent revenue laws).

     Contribution  Agreement:  the Contribution  Agreement dated as of April 15,
1998 among the Members and the Company.

     Control:   with  respect  to  any  Person,  the  possession,   directly  or
indirectly,  of the power to direct or cause the direction of the  management or
policies of the Controlled Person, whether through equity ownership, by contract
or otherwise,  but a Person shall not be deemed to Control another Person solely
by virtue of any veto  rights  granted  to it as a minority  equity  owner or by
virtue of super majority voting rights.

     Dissolution:  the change in the  relationship  of the Members caused by the
occurrence of an event described in Section 12.1.

     Distribution: a distribution of money or other property made by the Company
with respect to an Ownership Interest.

     Event of Withdrawal: the occurrence of an event which terminates a Member's
membership in the Company, as provided in Section 11.12.

     Fair Market Value: as to any property,  the price at which a willing seller
would sell and a willing buyer would buy such property  having full knowledge of
the facts, in an arm's-length transaction without time constraints,  and without
being under any compulsion to buy or sell.

     Fiscal Year: the fiscal and taxable year of the Company as determined under
this Agreement, including both 12-month and short taxable years.

     Initial Contribution:  the initial capital contribution made by each Member
to the Company, as set forth on Exhibit A.

     Liquidation:  the  process of  terminating  the  Company and winding up its
business under Article 13 after its Dissolution.

     Losses: the Company's net loss (including  deductions) for any Fiscal Year,
determined under Section 5.1.

     Managing Director: as defined in Section 3.2.


<PAGE>

     MediaOne:  U S WEST,  Inc., a Delaware  corporation to be renamed  MediaOne
Group, Inc., and its successors, whether by merger or otherwise.

     MediaOne Directors: as defined in Section 3.2.

     MediaOne Shareholder: USW-UK or USW Holdings.

     MediaOneShareholder  Group: each MediaOne Shareholder and any member of the
group  consisting of MediaOne and its Affiliates to whom Ownership  Interests or
Shares originally issued to a MediaOne Shareholder are Transferred in accordance
with this Agreement or the Relationship Agreement.

     Member:  a Person who is a Member on the date of this  Agreement  or who is
subsequently admitted as a Member as provided in this Agreement.

     Member Group: all of the Members included in any Shareholder Group.

     Net Cash:  cash  receipts of the  Company  less  payment of, or  reasonable
reserves for,  operating  expenses,  capital  requirements,  improvements,  debt
service, and other cash requirements of the Company as determined by the Board.

     Ordinary Share: an ordinary share, 10p par value (including ordinary shares
represented by American Depository  Shares), in the capital of Telewest,  or any
other shares of capital stock issued in substitution  or replacement  thereof in
any merger, share exchange, recapitalization or other similar transaction.

     Ownership  Interest:  with respect to each Person owning an interest in the
Company, all of the interests of such Person in the Company (including,  without
limitation,  an interest in the Profits and Losses,  a Capital Account  interest
and all other rights and obligations of such Person under this Agreement) in the
percentages set forth on Exhibit A, as the same may be amended from time to time
in accordance with this Agreement.

     Permitted  Transferee:  a  Person  described  in  Section  11.3  to whom an
Ownership Interest may be Transferred  without the Transferor offering the other
Member Group a right of first refusal under this Agreement.

     Person: an individual,  corporation, trust, partnership,  limited liability
company, unincorporated organization, association or other entity.

     Pro Rata  Shares:  with  respect to any Member,  a portion of the number of
Shares owned by the Company  attributable to such Member's  Ownership  Interest,
which will equal the product of [x] the aggregate number of Shares owned


<PAGE>

by the  Company  (except  those  Shares  in which  the Cox  Shareholder  owns an
economic  interest pursuant to the Co-Ownership Deed between the Company and the
Cox Shareholder  dated as of the date of this Agreement)  multiplied by [y] such
Member's percentage Ownership Interest in the Company, expressed as a decimal.

     Profits:  the  Company's  net profit  (including  income and gains) for any
Fiscal Year, determined under Section 5.1.

     Related Transfer:  a Transfer by means of a distribution,  spin-off,  stock
dividend or other transaction as a result of which one or more Affiliates of the
transferor  beneficially own 80% or more of the Pro Rata Shares that immediately
prior to such Transfer were beneficially owned by the Shareholder Group of which
the transferor is a member.

     Relationship  Agreement:  the Relationship  Agreement dated as of April 15,
1998 among Telewest,  the TCI Shareholder,  the MediaOne  Shareholders and other
parties.

     Shareholder:  the TCI Shareholder,  each MediaOne Shareholder and any other
Person who acquires Shares in accordance with this Agreement or the Relationship
Agreement  and  becomes  a party  to, or  otherwise  agrees to be bound by,  the
Relationship Agreement subsequent to the date hereof by signing a counterpart of
the Relationship Agreement or another document to the same effect.

     Shareholder  Group: the TCI Shareholder  Group or the MediaOne  Shareholder
Group.

     Shares: [a] Ordinary Shares and [b] convertible  preference shares, 10p par
value per share,  of Telewest  (or any other  shares of capital  stock issued in
substitution   or   replacement   thereof  in  any   merger,   share   exchange,
recapitalization,  scheme  of  arrangement  or other  similar  transaction).  In
calculating the percentage ownership of Shares for purposes of this Agreement, a
holder of Shares will be deemed to own the number of Ordinary  Shares into which
its convertible  preference shares are then  convertible,  without regard to any
prohibition or restriction on conversion.

     TCI: Tele-Communications, Inc., a Delaware corporation, and its successors,
whether by merger or otherwise.

     TCI Directors: as defined in Section 3.2.

     TCI Shareholder: United Artists Programming - Europe, Inc.


<PAGE>

     TCI  Shareholder  Group:  the TCI  Shareholder  and any member of the group
consisting  of TCI and its  Affiliates  to whom  Ownership  Interests  or Shares
originally issued to the TCI Shareholder are Transferred in accordance with this
Agreement or the Relationship Agreement.

     Telewest:  Telewest  Communications plc, a public limited company organized
under the laws of England and Wales, and its successors and assigns,  whether by
merger, scheme of arrangement or otherwise.

     Third Party:  with respect to any Member,  a Person other than an Affiliate
of such Member.

     Third  Party  Offer:  a bona  fide,  non-collusive,  binding,  arms'-length
written offer to purchase  from a Third Party with the purchase  price stated in
terms of U.S. dollars or English pounds sterling.

     Trading Day: each Monday,  Tuesday,  Wednesday,  Thursday and Friday, other
than any day on which  securities are not traded on the  applicable  exchange or
market.

     Transfer:  a  sale,  exchange,   assignment,   transfer,  pledge  or  other
disposition, whether voluntary or by operation of law.

     Transferee:  a Person  to whom an  Ownership  Interest  is  Transferred  in
compliance with this Agreement.

     Transferor: a Person who Transfers an Ownership Interest in compliance with
this Agreement.

     Vote:  the  action of the  Company by its  Members or the Board,  either in
meeting assembled or by written consent without a meeting.


ARTICLE 2: PURPOSES AND POWERS

     2.1  Purpose.  The  purpose  of the  Company  shall  be to own  the  Shares
contributed to it by the Members,  to acquire  further Shares in accordance with
the terms of this Agreement and the Contribution  Agreement and to vote, dispose
and  otherwise  take  actions in respect of the Shares  owned by the  Company in
accordance with the terms of this  Agreement.  The Company shall be permitted to
conduct such lawful business [a] as may be necessary or appropriate to give full
effect to the foregoing  purpose and to all of the  provisions of this Agreement
and [b] as may be consented to by the unanimous Vote of the Members.

     2.2  Powers.  The  Company  shall  have  any and all  powers  necessary  or
desirable to carry out the purpose and business of the Company to the extent the
same may be legally  exercised  by limited  liability  companies  under the Act.
Without  limiting the  foregoing,  and subject to the other  provisions  of this
Agreement, the purposes of the Company may be accomplished through the following
powers (which are not exclusive):

[a]  to acquire,  hold,  transfer,  distribute,  or otherwise dispose of Company
     assets (or rights or interests in such property);

[b]  to enter into any  contracts  or  agreements  concerning  the assets of the
     Company;

[c]  to execute and deliver all instruments, including proxies, assignments, and
     other  documents  of transfer,  as may be  necessary  or advisable  for the
     administration of the Company;

[d]  to hold the assets of the Company in the name of a nominee;

[e]  to vote securities, exercise rights, and pay calls and assessments;

[f]  to  settle   claims  and  take  or  defend   judicial  and   administrative
     proceedings:

[g]  to  employ  agents  and  independent  contractors  as may be  necessary  or
     advisable for the administration of the Company;

[h]  to establish reserves for taxes, assessments,  insurance premiums, repairs,
     maintenance, improvements,  depreciation, depletion and obsolescence out of
     the rents, profits or other income received;

[i]  to pay  all  expenses  reasonably  incurred  in the  administration  of the
     Company; and

[j]  to do such  other  things  and  engage  in such  other  activities  related
     directly or indirectly to the foregoing as may be necessary,  convenient or
     advisable to the conduct of the business of the Company.


ARTICLE 3: MEMBERS; MANAGEMENT; VOTING

     3.1 Admission of Transferees as Members.  A Transferee shall be admitted as
a Member of the Company  only upon the  affirmative  unanimous  Vote of Members,
except that a Transferee  which is an Affiliate of a Member shall  automatically
be admitted as a Member,  subject to compliance  with Section 11.7,  without any
action on the part of the other Members.

     3.2 Managing  Directors.  Except as specifically  set forth in Section 3.4,
the  management  and  policy-making  functions of the Company  shall reside in a
board (the "Board") composed of four individuals  (each, a "Managing  Director")
to be


<PAGE>

elected  annually  and who shall serve until  their  successors  are elected and
qualified.  Such Managing  Directors  shall be elected by unanimous  Vote of the
Members.  Members  included  in the TCI  Shareholder  Group shall be entitled to
nominate two Managing  Directors ("TCI  Directors") and Members  included in the
MediaOne  Shareholder Group shall be entitled to nominate the other two Managing
Directors  ("MediaOne  Directors").  Each  Member  agrees  to  Vote  all  of its
Ownership Interest in any election of Managing Directors in favor of the Persons
nominated in accordance  with the preceding  sentence.  Upon the occurrence of a
vacancy in the Board, the Member who nominated the Managing  Director in respect
of whom such vacancy  exists may nominate a  replacement,  and the Members shall
Vote in favor of such  replacement,  who  shall  serve  until  such  replacement
Managing Director's successor is elected.

     3.3 Board  Vote.  Except as set forth in Section 7.9 and except as provided
in Section 3.4  relating to a unanimous  Vote of Members,  all  decisions by the
Company  (including the incurrence of any  liabilities by the Company other than
those  related  solely  to the  ownership  of the  Shares)  will  be made by the
affirmative  Vote of a majority  of the  Managing  Directors  without  regard to
vacancies.

     3.4 Unanimous  Vote.  The  following  decisions or actions will require the
unanimous Vote of the Members:  [a] the payment of compensation to any Member or
any Affiliate of a Member for services rendered to the Company,  other than such
Member's  share  of  Profits;  [b]  the  approval  of any  voluntary  Additional
Contribution   as  provided  in  Section  4.4  (except  those  required  by  the
Contribution  Agreement  or Section  11.13);  [c] the making of any  curative or
remedial ss. 704(c) allocation under Section 5.6; [d] the voluntary  Dissolution
of the Company under Section 12.1; [e] any amendment of this Agreement;  [f] the
sale,  exchange  or other  disposition  of any of the  Shares,  other than (i) a
Transfer  permitted  under Article 11 or a distribution  of Pro Rata Shares to a
Member on or after  December  31, 1999 as  permitted by Section 6.5 and (ii) any
Transfer  to the Cox  Shareholder  pursuant to the  Co-Ownership  Deed among Cox
Communications,  Inc., the Cox  Shareholder,  U S WEST  International  Holdings,
Inc.,  Tele-Communications  International,  Inc. and the Company dated April 15,
1998; [g] any  Distribution to a Member of its Pro Rata Shares prior to December
31, 1999 pursuant to Section 6.5; and [h] the admission of any new or substitute
Member except pursuant to the last sentence of Section 11.9.

     3.5 Expense Reimbursement; Indemnification. Except as otherwise provided in
this Agreement, upon compliance with such policies and procedures as the Company
may from time to time  adopt,  the Members and the  Managing  Directors  will be
reimbursed by the Company for all reasonable  expenses incurred on behalf of the
Company in connection with its business. The Company will indemnify its Managing
Directors  against  liability  incurred in any proceeding in which such Managing
Director is made a party because he or she is or was a manager of the Company to
the maximum extent permitted by the Act.


<PAGE>

     3.6 No  Resignation  or  Retirement.  Each Member agrees not to voluntarily
resign or retire from the Company,  except for permissible Transfers as provided
in Article 11 and in connection with Pro Rata Share  Distributions  permitted by
Section 6.5.  However,  if such voluntary  resignation  or retirement  occurs in
contravention of this Agreement,  the withdrawing  Member will,  without further
act,  become a  Transferee  of its entire  Ownership  Interest  with the limited
rights of a Transferee who has not been admitted as a Member in accordance  with
this Agreement, as set forth in Section 11.8.

ARTICLE 4: CAPITAL AND CAPITAL ACCOUNTS

     4.1  Maintenance.  A Capital Account will be maintained for each Member and
credited, charged and otherwise adjusted as follows:

[a]  Credited  with [i] the  amount  of money  contributed  by the  Member as an
     Initial Contribution or Additional Contribution, [ii] the Fair Market Value
     of Shares  and  other  property  contributed  by the  Member as an  Initial
     Contribution or Additional Contribution (net of liabilities secured by such
     property that the Company takes subject to or assumes),  [iii] the Member's
     allocable  share of Profits and [iv] all other items  properly  credited to
     its Capital Account in accordance with U.S. generally  accepted  accounting
     principles consistently applied; and

[b]  Charged  with [i] the  amount  of money  distributed  to the  Member by the
     Company,   [ii]  the  Fair  Market  Value  of  Shares  and  other  property
     distributed  to the Member by the Company  (net of  liabilities  secured by
     such  property  that the Member  takes  subject to or  assumes),  [iii] the
     Member's  allocable  share of  Losses  and [iv] all  other  items  properly
     charged to its Capital Account in accordance with U. S. generally  accepted
     accounting principles consistently applied.

     Any  unrealized  appreciation  or  depreciation  with  respect to any asset
distributed in kind will be allocated  among the Members in accordance  with the
provisions  of Article 5 as though  such asset had been sold for its Fair Market
Value on the date of  Distribution,  and the Members'  Capital  Accounts will be
adjusted  to  reflect  both  the  deemed  realization  of such  appreciation  or
depreciation  and the  Distribution of such property.

     4.2 Revaluation.  Upon a contribution of money, Shares or other property to
the Company by a new or  continuing  Member as  consideration  for an  Ownership
Interest  in the  Company,  and upon a  Distribution  of money,  Shares or other
property to a retiring  or  existing  Member in  consideration  of an  Ownership
Interest  in the Company  that is being  redeemed  by the  Company,  the Capital
Accounts of the  Members  will be  increased  or  decreased  to reflect the Fair
Market Value of the assets of the Company as of the date of such contribution or
Distribution.  Adjustments made pursuant to the preceding  sentence will reflect
the manner in which any unrealized  appreciation or depreciation with respect to
the assets of the Company (which  appreciation  or depreciation is not reflected
in the Capital 


<PAGE>

Accounts as of the adjustment date) would be allocated among the Members if such
assets were sold at Fair Market  Value on the  adjustment  date.  Following  any
adjustment  under this Section 4.2, for purposes of computing  Profits or Losses
of the Company,  items of depreciation,  amortization,  depletion,  gain or loss
relating  to revalued  property  will be  determined  based upon the Fair Market
Value of such  property  at the  adjustment  date.  For  purposes  of making any
adjustment  pursuant to this Section 4.2,  Fair Market Value shall be determined
by agreement of the Members or, if they cannot so agree within 7 days  following
the date on which a  contribution  or  Distribution  is made,  by following  the
procedure set forth in Section 11.5[d].

     4.3 Contributions;  Ownership  Interests.  Each Member has made the Initial
Contribution  to the Company as set forth  opposite  such  Member's  name on the
attached  Exhibit A, and on the date of this  Agreement is making the Additional
Contribution  set forth opposite its name on Exhibit A. The Ownership  Interests
of the Members as of the date of this Agreement are as set forth on Exhibit A.

     4.4  Additional  Contributions.  Except as required by Section 11.13 or the
Contribution  Agreement or upon the unanimous Vote of the Members, no Additional
Contribution  by any Member  will be  required  or  permitted  unless  otherwise
required by law. If any Additional  Contribution  is made after the date of this
Agreement,  Exhibit A will be amended to reflect the Additional Contribution and
any resulting change in the Ownership Interests of the Members.  Upon the making
of an Additional Contribution by any Member or Members, the percentage Ownership
Interest  of each Member  will be  adjusted  (or,  in the case of a  Shareholder
admitted  as a  new  Member  under  Section  11.13,  determined)  to  equal  the
percentage  obtained  by dividing  the sum of [a] the Fair  Market  Value of the
assets of the Company less the liabilities of the Company  immediately  prior to
the Additional Contribution(s) ("Pre-Contribution Company Value"), multiplied by
that Member's percentage  Ownership Interest in the Company immediately prior to
the Additional Contribution(s),  plus [b] the Fair Market Value of that Member's
Additional  Contribution,  if  any,  on  that  date,  by  the  sum  of  [y]  the
Pre-Contribution  Company  Value plus [z] the Fair Market  Value of all Members'
Additional  Contributions  on that date.  For  purposes of this Section 4.4, any
Shares contributed by a Shareholder admitted as a new Member under Section 11.13
shall be treated as an Additional Contribution by such Shareholder. In adjusting
or  determining  Ownership  Interests  pursuant to this Section 4.4, Fair Market
Value  shall be  determined  by  agreement  of the Members or, if they cannot so
agree within 7 days  following the date on which an Additional  Contribution  is
made to the Company, by following the procedure set forth in Section 11.5[d].

     4.5 No Withdrawal of Capital.  Except as  specifically  provided in Section
6.5, no Member will be  entitled  to withdraw  all or any part of such  Member's
capital from the Company or, when such  withdrawal of capital is  permitted,  to
demand a Distribution of property other than money.


<PAGE>

     4.6 No Interest on Capital.  No Member will be entitled to receive interest
on such Member's Capital Contributions or Capital Account.

     4.7 No Drawing  Accounts.  The Company will not maintain a drawing  account
for any  Member.  All  Distributions  to Members  will be  governed by Article 6
(relating to Distributions) and by Article 13 (relating to Liquidation).

     4.8  Transfers  of  Capital  Accounts.  If all or any part of an  Ownership
Interest is Transferred in accordance with this  Agreement,  the Capital Account
of the Transferor that is attributable  to the  Transferred  Ownership  Interest
will carry over to the Transferee.


ARTICLE 5: ALLOCATION OF PROFITS AND LOSSES

     5.1  Profits and Losses.  For each  Fiscal  Year,  Profits or Losses of the
Company will be an amount equal to the  Company's  income or loss  determined in
accordance  with the accrual  method of accounting and U.S.  generally  accepted
accounting principles  consistently applied, except as otherwise provided in the
last sentence of Section 4.2.

     5.2 General  Allocation  Rule.  Except as  otherwise  provided in (or until
changed  pursuant  to) this  Agreement,  the  Profits or Losses of the  Company,
including  items of income,  gain, loss and deduction for each Fiscal Year, will
be  allocated  to the  Members  in  proportion  to  their  respective  Ownership
Interests.

     5.3  Exception.  Notwithstanding  the general rule on  allocation of Losses
stated  in  Section  5.2,  Losses  of the  Company  attributable  to any  Member
nonrecourse liability (which is nonrecourse to the Company, but for which one or
more  Members  or a related  party  bears  the  economic  risk of loss)  will be
allocated  to the Member or Members  bearing the  economic  risk of loss for the
liability.  The determination  and allocation of deductions  attributable to any
Member  nonrecourse  liability  will  be  made in  accordance  with  regulations
promulgated  under ss.  752 of the Code and  regulations  promulgated  under ss.
704(b) of the Code. Similarly, notwithstanding the general rule on allocation of
Profits,  any Profits of the Company  will be  determined  and  allocated to the
Members in accordance with the chargeback rules  promulgated under ss. 704(b) of
the Code applying to nonrecourse debt minimum gain.

     5.4  Tax  Allocations.   Except  as  otherwise  provided  in  Section  5.6,
allocation  of items of income,  gain,  loss and  deduction  of the  Company for
federal income tax purposes for a Fiscal Year will be allocated, as nearly as is
practicable,  in accordance with the manner in which such items are reflected in
the allocations of Profits and Losses among the Members for such Fiscal Year. To
the extent possible, principles identical to those that apply to allocations for
federal income tax purposes will apply for state and local income tax purposes.


<PAGE>

     5.5 Transfer.  If any Transfer of an Ownership  Interest  occurs during any
Fiscal Year, the books of the Company will be closed as of the effective date of
the Transfer.  The Profits or Losses attributed to the period from the first day
of such Fiscal Year through the effective  date of Transfer will be allocated to
the Transferor, and the Profits or Losses attributed to the period commencing on
the effective date of Transfer will be allocated to the  Transferee.  In lieu of
an interim  closing of the books of the  Company and with the  agreement  of the
Transferor and Transferee,  the Company may agree to allocate Profits and Losses
for such Fiscal Year  between the  Transferor  and  Transferee  based on a daily
proration  of items  for such  Fiscal  Year or any  other  reasonable  method of
allocation   (including  an  allocation  of  extraordinary   Company  items,  as
determined by the Company,  based on when such items are  recognized for federal
income tax purposes).

     5.6 Contributed and Revalued Property.  All items of income, gain, loss and
deduction with respect to property  contributed  (or deemed  contributed) to the
Company  or  revalued  under  Section  4.2 will,  solely  for tax  purposes,  be
allocated among the Members so as to take into account the variation between the
tax basis of the property and its Fair Market Value at the time of  contribution
or  revaluation.  For  example,  if there  is  built-in  gain  with  respect  to
contributed   property,   upon  the   Company's   sale  of  that   property  the
pre-contribution  taxable gain (as  subsequently  adjusted  under the ss. 704(c)
Regulations  during the period such  property was held by the Company)  would be
allocated to the contributing Member (and such  pre-contribution  gain would not
again  create a Capital  Account  adjustment  since the property was credited to
Capital Account upon  contribution at its Fair Market Value).  Except as limited
by the  following  sentence,  the  allocation  of tax items with  respect to ss.
704(c)  property to Members not  contributing  such property will, to the extent
possible,  be equal to the  allocation of the  corresponding  book items made to
such noncontributing  Members with respect to such property. If book allocations
of cost recovery  deductions (such as amortization or  depreciation)  exceed the
tax  allocations  of  those  items so that the  ceiling  rule of the ss.  704(c)
Regulations  applies,  the Company will make  curative  allocations  or remedial
allocations of tax items only upon the affirmative Vote of all Members.  All tax
allocations  made under this  Section  5.6 will be made in  accordance  with ss.
704(c) of the Code and the ss. 704(c) Regulations.

     5.7 Tax  Credits.  To the extent  that the  federal  income tax basis of an
asset is allocated to the Members in accordance with the Regulations promulgated
under ss. 46 of the Code, any tax credit  attributable to such tax basis will be
allocated  to the Members in the same ratio as such tax basis.  With  respect to
any other tax credit, to the extent that a Company  expenditure gives rise to an
allocation of loss or deduction, any tax credit attributable to such expenditure
will be  allocated  to the Members in the same ratio as such loss or  deduction.
Consistent  principles will apply in determining  the Members'  interests in tax
credits that arise from  taxable or  non-taxable  receipts of the  Company.  All
allocations of tax credits will be made as of the time such credit  arises.  Any
recapture  of a tax credit  will,  to the extent


<PAGE>

possible,  be  allocated to the Members in the same manner as the tax credit was
allocated to them.


ARTICLE 6: DISTRIBUTIONS

     6.1 Net  Cash.  Net  Cash  will be  allocated  and paid to the  Members  in
proportion to their Ownership Interests.  Distributions of Net Cash will be made
to the Members at such times as the Members by unanimous Vote approve.

     6.2  Liquidating  Distributions.   Upon  the  Liquidation  of  the  Company
following its Dissolution, liquidating Distributions will be made to the Members
as provided in Article 13.

     6.3 Payment.  Any Distribution will be made to a Member only if such Person
owns an  Ownership  Interest on the date of  Distribution,  as  reflected on the
books of the Company.

     6.4  Withholding.  If  required  by the Code or by state or local law,  the
Company will  withhold any required  amount from  Distributions  to a Member for
payment to the  appropriate  taxing  authority.  Any amount so  withheld  from a
Member will be treated as a  Distribution  by the Company to such  Member.  Each
Member  agrees to timely  file any  agreement  that is  required  by any  taxing
authority in order to avoid any  withholding  obligation that otherwise would be
imposed on the Company.

     6.5 In Kind  Distributions.  Each Member is entitled to require the Company
to distribute such Member's Pro Rata Shares to it in whole or in part [a] at any
time prior to December  31, 1999 if the U S WEST Member Group and the TCI Member
Group so agree in writing, [b] at any time on or after December 31, 1999 if such
Member so elects,  without the consent of any other Person,  and [c] at any time
pursuant to a Related Transfer.  If the Company distributes Shares to any Member
who  contributed  Shares to the Company within seven years preceding the date of
such Distribution, the Company will, to the extent of any such Shares then owned
by the Company, distribute to such Member those Shares originally contributed by
such Member. The Company will maintain records relating to contributed Shares in
a manner sufficient to enable the Company to identify the Member who contributed
such Shares.

     6.6 Distribution  Limitation.  Notwithstanding  any other provision of this
Agreement,  the Company will not make any  Distribution to the Members if, after
the  Distribution,  the  liabilities of the Company  (other than  liabilities to
Members on account of their  Ownership  Interests)  would exceed the Fair Market
Value of the  Company's  assets.  With  respect  to any  property  subject  to a
liability  for which the  recourse  of  creditors  is  limited  to the  specific
property,  such  property  will be  included  in assets  only to the  extent the
property's  Fair  Market  Value  exceeds  its


<PAGE>

associated  liability,  and such  liability  will be excluded from the Company's
liabilities.


ARTICLE 7: MANAGING DIRECTORS

     7.1 Annual  Meeting.  The  annual  meeting of the Board will be held on the
second Tuesday of April in each year at 9:00 a.m.  (local time) or at such other
time as  determined  by  resolution  of a  majority  of the  Managing  Directors
(without  regard to any  vacancies).  The  purpose of the  annual  meeting is to
review the Company's  operations  for the preceding  Fiscal Year and to transact
such business as may come before the meeting.

     7.2 Special  Meetings.  Special  meetings of the Board,  for any purpose or
purposes, may be called by any Managing Director.

     7.3 Place.  Unless  otherwise  agreed by the Board, or if no designation is
made, the place of meeting will be the Company's registered office in Colorado.

     7.4 Notice.  Notice of any  meeting  must be given not less than 5 days nor
more than 30 days  before the date of the  meeting.  Such  notice must state the
place,  day and hour of the meeting and, in the case of a special  meeting,  the
purpose for which the meeting is called.

     7.5 Waiver of Notice.  Any  Managing  Director may waive,  in writing,  any
notice required to be given to such Managing  Director,  whether before or after
the time stated in such  notice.  Any  Managing  Director  who signs  minutes of
action (or written consent or agreement to action) will be deemed to have waived
any required notice with respect to such action.

     7.6 Meetings by  Telephone.  The Managing  Directors may  participate  in a
meeting by means of conference telephone or similar communications  equipment by
which all Managing Directors participating in the meeting can hear each other at
the same time.  Such  participation  will  constitute  presence in person at the
meeting and waiver of any required notice.

     7.7 Action Without a Meeting.  Any action required or permitted to be taken
at a  meeting  of the Board may be taken  without  a  meeting  if the  action is
evidenced by one or more written consents describing the action taken, signed by
at least a majority  of all of the  Managing  Directors  (without  regard to any
vacancies).  Action so taken is effective  when  sufficient  Managing  Directors
approving  the action have signed the  consent,  unless the consent  specifies a
later effective date.

     7.8 Certain  Conflicts.  If any Member or any  Affiliate  of a Member has a
conflict of interest  with respect to any matter on which the Company is to vote
its Shares,  the Shares held by the Company  shall be voted as follows:  the Pro
Rata Shares


<PAGE>

of any Member who has such  conflict,  or of any Member which is an Affiliate of
such  conflicted  Person,  shall be voted  "abstain,"  and the  remainder of the
Shares  held by the  Company  shall  be  voted  as  designated  by the  Managing
Directors  nominated  by the Member  that is not  subject to such  conflict.  In
addition,  the  Company  shall  vote all its Shares in favor of  candidates  for
director of Telewest  (or the removal of such  director)  which any  Shareholder
Group is entitled to nominate (or remove) in accordance with Telewest's Articles
of Association or the Relationship Agreement.

     7.9  Resolution  of  Disagreements.  All  Shares  shall be voted as the TCI
Directors  and  the  MediaOne  Directors  agree.  If the TCI  Directors  and the
MediaOne  Directors  cannot  agree on any matter  requiring a vote of the Shares
within a period of 10 days after the matter is first presented for decision, the
matter in dispute  shall be  referred  to the Chief  Executive  Officers  of the
ultimate parent companies of the TCI Shareholders and the MediaOne  Shareholders
(or other  representatives  designated by them) and the Shares shall be voted on
such matter in accordance  with the joint  decision of such  officers.  If those
officers  cannot  agree on any matter  presented to them prior to the earlier of
the  date  the  vote is to be  taken or five  days  after  the  matter  is first
submitted  to them,  the Shares shall be voted in such manner that would be most
likely to continue  the status quo,  without  materially  increasing  Telewest's
financial  obligations  or  materially  deviating  from its approved  budget and
business plan.

     7.10 Termination of Voting Arrangements.  If at any time after December 31,
1999 the number of Pro Rata Shares  attributable  to either the TCI Member Group
or the  MediaOne  Member Group  decreases  (other than as a result of a Transfer
permitted by Section 11.3 or by Section 8.3 of the Relationship  Agreement or as
a result of a Related  Transfer) by a number of Pro Rata Shares that is equal to
or greater than 2% of all  outstanding  Ordinary  Shares,  calculated on a fully
diluted basis,  immediately after consummation of the transactions  contemplated
by the  Relationship  Agreement,  the other Member Group may elect, by notice to
the Member Group whose Pro Rata Shares have been so reduced,  to  terminate  the
provisions  of  Section  7.9.  After any such  termination  the  members  of the
MediaOne  Member  Group and the TCI Member  Group may direct the Board as to the
manner in which their  respective  Pro Rata Shares are to be voted in their sole
discretion,  and any Shares owned by the Company that are not Pro Rata Shares of
any Member  shall be voted in the same way as the Pro Rata Shares of the Members
are voted, in proportion to the Members' respective Ownership Interests.


ARTICLE 8: LIABILITY OF MEMBERS

     8.1 Limited Liability.  Except as otherwise provided in the Act, the debts,
obligations and liabilities of the Company (whether arising in contract, tort or
otherwise) will be solely the debts, obligations and liabilities of the Company,
and


<PAGE>

no Member of the Company (including any Person who formerly held such status) is
liable  or  will be  obligated  personally  for any  such  debt,  obligation  or
liability of the Company solely by reason of such status.

     8.2 Capital Contribution.  Each Member is liable to the Company for [a] the
Initial  Contribution  made under  Section 4.3 and any  Additional  Contribution
required  or agreed to be made under  Section  4.4 and 11.13 and [b] any Capital
Contribution or Distribution that has been wrongfully or erroneously returned or
made to such Member in violation of the Act, the Articles or this Agreement.


ARTICLE 9: [Intentionally Omitted]


ARTICLE 10: ACCOUNTING AND REPORTING

     10.1 Fiscal Year. For income tax and accounting  purposes,  the Fiscal Year
of the Company will end on December 31 in each year (unless subsequently changed
as provided in the Code).

     10.2 Accounting Method. For income tax and accounting purposes, the Company
will use the accrual  method of  accounting  (unless  otherwise  required by the
Code).

     10.3 Tax Returns.  The Company will cause the preparation and timely filing
of all tax returns  required to be filed by the Company pursuant to the Code, as
well as all other tax returns  required in any jurisdiction in which the Company
does business.

     10.4  Reports.  The Company  books will be closed at the end of each Fiscal
Year and statements  prepared showing the financial condition of the Company and
its Profits or Losses from operations.  Copies of these statements will be given
to each Member.  In addition,  as soon as is practicable after the close of each
Fiscal Year, and in any event by March 31 following the end of each Fiscal Year,
the  Company  will  provide  each  Member  with  all   necessary  tax  reporting
information.

     10.5  Banking.  The Company  may  establish  one or more bank or  financial
accounts  and  safe  deposit  boxes.  The  Company  may  authorize  one or  more
individuals  to sign checks on and  withdraw  funds from such bank or  financial
accounts  and to have  access to such safe  deposit  boxes,  and may place  such
limitations and restrictions on such authority as the Company deems advisable.


ARTICLE 11: TRANSFER RESTRICTIONS


<PAGE>

     11.1  General  Restriction.  No Person may Transfer all or any part of such
Person's Ownership Interest in any manner whatsoever except as permitted by this
Article 11, and in any case only if the  requirements  of Section 11.7 have been
satisfied.  Any other  Transfer of all or any part of an  Ownership  Interest is
null and void.  The rights and  obligations  of any  resigning  Member or of any
Transferee of an Ownership  Interest will be governed by the other provisions of
this Agreement.

     11.2 No Member  Rights.  Except as provided in Section  11.9, no Member has
the right or power to confer upon any  Transferee  the attributes of a Member in
the Company.  Except as provided in Section 11.9,  the  Transferee of all or any
part of an  Ownership  Interest by  operation of law does not, by virtue of such
Transfer, succeed to any rights as a Member in the Company.

     11.3 Permitted  Transferees.  A Member may Transfer all or any part of such
Member's Ownership Interest at any time:

[a]  to an Affiliate of such Member;

[b]  to another Member; and

[c]  to the Company.

     11.4 Transfer  Restrictions  Lasting Through 1999. No Member shall Transfer
all or a portion of its Ownership Interest on or before December 31, 1999 except
pursuant  to  Section  11.3  unless (i) the prior  written  consent of the other
Member Group is obtained,  (ii) the other Member Group  approves the identity of
the  Transferee,  which approval may be withheld in the sole  discretion of such
other Member Group, and (iii) the Transferee (if such Transferee is an Affiliate
of either MediaOne or TCI) executes a counterpart of the Relationship  Agreement
or another document to the same effect.

     11.5 Rights of First Refusal.

[a]  If a Member proposes to Transfer all or part of its Ownership  Interests to
     a Third  Party or Parties  after  December  31,  1999  (except  pursuant to
     Section  11.3),  the Member  desiring to make the Transfer (for purposes of
     this Section 11.5 only,  the  "Offeror")  shall first make a written  offer
     (for  purposes  of this  Section  11.5  only,  the  "Offer")  to sell  such
     Ownership  Interest to the Members  included in the other Member Group (for
     purposes of this Section 11.5 only,  the  "Offerees") on the same terms and
     conditions on which the Offeror proposes to Transfer the Ownership Interest
     to the Third  Party or  Parties.  Such offer  shall state the price and the
     other  terms  and  conditions  of  the  proposed   Transfer  and  shall  be
     accompanied by a copy of the offer from the proposed Transferee.  The price
     as so determined  or stated in the Offeror's  notice shall be, for purposes
     of this Section 11.5 only, the "Offer  Price." The Offeror,  for so long as
     the  Offer  shall  remain  outstanding,  shall not  request,  nor shall the
     Company be  obligated  to make,  a  distribution  of


<PAGE>

     Shares in an amount in excess of the  number of Pro Rata  Shares  that such
     Offeror  shall  have the  right to  receive  in  respect  of the  Ownership
     Interest,  if any, to be retained by such Offeror  after  giving  effect to
     such proposed Transfer.

[b]  The Offerees  shall have the right for a period of 30 days after receipt of
     the Offer to elect to purchase all, but not less than all, of the Ownership
     Interest  offered at the Offer Price by giving written notice of acceptance
     to the Offeror within that period. If the Offerees do not elect to purchase
     all the Ownership  Interest  offered,  the Offeror may Transfer the offered
     Ownership  Interest  pursuant to the terms disclosed under Section 11.5[a].
     If the offered Ownership  Interest is not Transferred  within 90 days after
     the  Offerees'  option  period  expires,  a new offer  shall be made to the
     Offerees before any such Transfer is made.

[c]  If the Third  Party's offer  involves  consideration  other than  immediate
     payment of cash at closing,  the  Offerees may pay the Fair Market Value of
     such other  consideration,  as determined by agreement  between the Offeror
     and the  Offerees,  in cash.  If they cannot agree on such cash  equivalent
     within  seven  days  after the  Offerees  give  notice of the  election  to
     purchase  the offered  Ownership  Interest,  the  Offerees  may, by written
     notice to the Offeror, initiate appraisal proceedings under Section 11.5[d]
     for determination of the Fair Market Value of such consideration.  The Fair
     Market Value shall be determined  without regard to income tax consequences
     to  the  Offeror  as  a  result  of   receiving   cash  in  lieu  of  other
     consideration.  Once the Fair Market Value is determined, (i) the Offerees,
     in their  sole  discretion,  may elect  either to  purchase  the  Ownership
     Interest in cash by giving notice of such election to the Offeror within 10
     days  after  receipt  of  the  appraiser's  decision  or  to  withdraw  its
     acceptance  of the Offer,  and (ii) the Offeror may in its sole  discretion
     withdraw  the Offer  provided  that in such case it may not  Transfer  such
     Ownership Interests pursuant to the proposed Transfer.

[d]  Any appraisal of the Fair Market Value of consideration shall be made by an
     appraiser jointly appointed by the Members. If the Members fail to agree on
     an  appraiser  within 20 days  after  receipt of the  notice  requiring  or
     permitting  an  appraisal  of Fair Market  Value,  each Member  Group shall
     appoint  one  appraiser,  which  shall  be an  investment  banking  firm of
     national  repute.  The  two  appraisers  so  selected  shall  each  make an
     appraisal  of Fair Market Value  within 30 days after their  selection.  If
     such  determinations vary by 20% or more of the higher  determination,  the
     two appraisers  shall select a third appraiser with similar  qualifications
     which shall make its determination of such Fair Market Value within 30 days
     after its  selection.  Such third  appraiser  shall not be  informed  of or
     otherwise  consider  the  appraisals  of  the  other  two in  reaching  its
     determination.  The  Fair  Market  Value  shall be the  average  of the two
     closest values if three

     appraisals are made or, if the  determinations  of the first two appraisers
     vary by less than 20% of the higher of such two determinations, the average
     of those two  determinations.  Any Fair Market Value determined pursuant to
     this Section 11.5[d] shall be binding and  conclusive.  If any Member Group
     fails to appoint an appraiser as required hereunder, the other Member Group
     may refer the matter to the American Arbitration  Association,  which shall
     promptly  appoint an  appraiser  hereunder  on behalf of the  Member  Group
     failing to make such appointment.

[e]  The closing of the purchase of an Ownership  Interest by the Offerees shall
     take place within 60 days following the timely delivery to the Offeror of a
     written  notice  of  acceptance  pursuant  to  Section  11.5[b]  or, if the
     provisions of Section 11.5[c] apply,  within 60 days following the delivery
     to the Offeror of a written  notice of  election  pursuant to clause (i) of
     the last  sentence of Section  11.5[c].  The Offeror  shall give  customary
     representations  and  warranties  regarding  the  title  of such  Ownership
     Interests to the Offerees.

[f]  The  Offerees  may rescind  their notice of  acceptance  given  pursuant to
     Section  11.5[b] at any time on or prior to the 30th day following the date
     of such notice of acceptance  (but not thereafter) if (i) prior to the date
     of such notice of acceptance the Offerees had sought in good faith a waiver
     from the City Panel with  respect to the  application  of any  provision of
     Rule 9 of the City Code on Take-overs  and Mergers which absent such waiver
     would  require the  Offerees to offer to  purchase  all of the  outstanding
     Ordinary Shares and (ii) such waiver or any shareholder  approval  required
     by the City Panel has been  denied (or has not been  granted as of the last
     day of such rescission period).

     11.6 Change in Control of a Shareholder Group.

[a]  If at any time there is an  involuntary  Change in Control  with respect to
     either the TCI Shareholder  Group or the MediaOne  Shareholder  Group,  the
     Member Group included in the Shareholder  Group  experiencing the Change in
     Control (the  "Subject  Group") shall give notice to the other Member Group
     promptly after the Subject Group becomes aware of the Change in Control. If
     at any time either  Shareholder  Group  experiences  a voluntary  Change in
     Control,  the Subject  Group shall give  notice to the other  Member  Group
     promptly  after  the  terms of the  Change  in  Control  are set forth in a
     binding agreement.  The Member Group not affected by such Change in Control
     (the  "Responding  Group")  must  within 30 days after its  receipt of such
     notice give notice to the Subject Group either [a] consenting to the Change
     in Control or [b] stating the price per percentage of Ownership Interest at
     which  the  Responding  Group  is  willing  to  sell  all of its  Ownership
     Interests  to the  Subject  Group  or to buy  all  of the  Subject  Group's
     Ownership  Interests (the "Quoted  Price").  Failure to give notice of such
     election within the time permitted shall be deemed consent to the Change in
     Control.

[b]  If the  Responding  Group does not  consent to the Change in  Control,  the
     Subject  Group  must,  within 30 days after its  receipt of the  Responding
     Group's notice, give notice to the Responding Group of its election to sell
     all of its Ownership Interests to the Responding Group or to buy all of the
     Responding Group's Ownership Interests, in either case at the Quoted Price.
     Following  the  giving of notice of a Change in  Control  pursuant  to this
     Section  11.6 and prior to (i)  receipt  by the  Subject  Group (or  deemed
     receipt)  of consent to such  Change of Control or (ii) the  closing of the
     sale of the Subject Group's or the Responding Group's Ownership  Interests,
     no Member shall  request,  nor shall the Company be obligated to make,  any
     voluntary  Distribution  of Shares.  Any  purchase of  Ownership  Interests
     pursuant to this Section 11.6 may be made only by a Member.

     11.7 General Conditions on Transfers.  No Transfer of an Ownership Interest
will be effective unless all of the conditions set forth below are satisfied:

[a]  unless  waived by the  Company,  the  Transferor  signs and delivers to the
     Company an undertaking in form and substance reasonably satisfactory to the
     Company  to  pay  all  reasonable  expenses  incurred  by  the  Company  in
     connection  with the Transfer  (including,  but not limited to,  reasonable
     fees of  counsel  and  accountants  and the costs to be  incurred  with any
     additional  accounting  required in connection  with the Transfer,  and the
     cost  and  fees  attributable  to  preparing,  filing  and  recording  such
     amendments to the Articles or other organizational  documents or filings as
     may be required by law);

[b]  the  Transferor  signs and delivers to the Company a copy of the assignment
     of  the  Ownership  Interest  to  the  Transferee  in  form  and  substance
     reasonably satisfactory to the Company;

[c]  the  Transferee  signs and delivers to the Company an agreement to be bound
     by this Agreement if the Transferee is not a Member or the Company; and

[d]  the Transfer is in compliance with the other provisions of this Article 11.

     11.8  Rights of  Transferees.  Except as  provided  in  Section  11.9,  any
Transferee of an Ownership Interest will, on the effective date of the Transfer,
have only those rights of an assignee specified in the Act unless and until such
Transferee  is admitted as a Member.  This  provision  limiting  the rights of a
Transferee will not apply if such Transferee is already a Member;  provided that
any Member who resigns or retires from the Company in  contravention  of Section
3.6 will have only the rights of a  Transferee  who has not been  admitted  as a
Member in accordance


<PAGE>

with this Agreement.  Any Transferee of all or any part of an Ownership Interest
who is not admitted as a Member in accordance  with this  Agreement has no right
[a] to  participate  or interfere in the  management  or  administration  of the
Company's business or affairs,  [b] to vote or agree on any matter affecting the
Company or any  Member,  [c] to require  any  information  on account of Company
transactions or [d] to inspect the Company's  books and records.  The only right
of a Transferee of all or any part of an Ownership  Interest who is not admitted
as a Member in accordance  with this Agreement is to receive the allocations and
Distributions  to which  the  Transferor  was  entitled  (to the  extent  of the
Ownership Interest Transferred).  However, each Transferee of all or any part of
an Ownership Interest  (including both immediate and remote Transferees) will be
subject to all of the  obligations,  restrictions  and other terms  contained in
this  Agreement  as if  such  Transferee  were a  Member.  With  respect  to any
Ownership  Interest  Transferred,  the  Transferor  Member shall not possess any
right or power as a Member and may not exercise any such right or power directly
or  indirectly on behalf of the  Transferee.  Neither the Company nor any Member
will owe any fiduciary duty to any Transferee who is not admitted as a Member.

     11.9 Admission.  A Transferee of an Ownership Interest will become a Member
of the Company only upon the  affirmative  unanimous Vote of Members,  effective
upon a date  specified  (which  must be on or after  the  effective  date of the
Transfer, as determined under Section 11.7). Notwithstanding the foregoing, upon
compliance  with Section  11.7,  a Transferee  which is an Affiliate of a Member
shall automatically become and be admitted as a Member without any action on the
part of the other Members.

     11.10  Satisfaction  of  Legal  Requirements.   Notwithstanding  any  other
provision  of this  Article 11, no Member may  Transfer  any Shares or Ownership
Interests  unless  it has  complied  with  all  applicable  legal  requirements,
including  without  limitation   applicable  United  States  federal  and  state
securities  laws. Upon the exercise of any option to acquire Shares or Ownership
Interests  hereunder,  the Members shall use commercially  reasonable efforts to
obtain any necessary  consents or approvals of any  governmental  authorities or
other Third Parties necessary to effect such Transfer.

     11.11 Closing.  The closing of the purchase of any Ownership Interests by a
Member  pursuant to this Article 11 shall take place at the Company's  principal
offices on a day  specified by the purchaser  (other than a Saturday,  Sunday or
day on which banking  institutions in New York are required by law to be closed)
which is no more  than 90 days  after  the date of  exercise  of the  applicable
purchase  option (or within the period of time provided by Section  11.5[e],  if
applicable)  or, if  later,  the date on which all  necessary  consents  to such
Transfer by governmental  authorities  shall have been obtained.  At the closing
the selling Member shall deliver a written assignment of Ownership  Interests to
be sold free and  clear of any  lien,  charge  or  encumbrance,  and such  other
documents as may be


<PAGE>

reasonably  necessary to effectuate the sale. The purchase  price, to the extent
it  consists of cash,  shall be paid in U.S.  dollars in  immediately  available
funds.

     11.12 Events of Withdrawal.  An Event of Withdrawal of a Member occurs upon
[a] such Member's  resignation from the Company, [b] such Member's Bankruptcy or
[c] the occurrence of any other event which terminates the continued  membership
of such Member in the Company (including the dissolution of that Member). Within
10 days after the  occurrence  of any such event,  the Member  experiencing  the
Event of Withdrawal (or such Member's legal representative or other successor in
interest)  will give  notice to the  Company of the  occurrence  of the Event of
Withdrawal.  Upon the  occurrence  of an Event of  Withdrawal  with respect to a
Member,  such  Member  will cease to have any voting and  consent  rights  under
Article 3 and will have only the limited rights of a Transferee who has not been
admitted as a Member in accordance with this Agreement,  as set forth in Section
11.8.

     11.13 Obligation to Contribute  Additional  Shares to Company.  Each Member
agrees that, if any Shareholder included in its Member Group acquires additional
Shares  after the date of this  Agreement  and  before  any Pro Rata  Shares are
distributed to any Member  pursuant to Section 6.5, the beneficial  interests in
all of  such  Shares  will  be  contributed  to  the  Company  as an  Additional
Contribution,  with a corresponding  increase in the Ownership  Interest of such
Member pursuant to Section 4.4 (or the issuance of an Ownership Interest to such
Shareholder,  who shall be  admitted  as a Member,  if such  Shareholder  is not
already a Member).

     11.14 Covenant  Relating to Rule 9 of City Code.  Each Member  covenants to
and  agrees  with the other  Member  that,  in the event it or any member of the
Shareholder Group in which it is included elects to purchase Shares or Ownership
Interests,  or is  deemed  to  have  made  such  an  election  pursuant  to this
Agreement,  it shall fulfill all obligations  arising  pursuant to Rule 9 of the
City Code on Takeovers and Mergers and shall pay all  consideration and expenses
attributable to the Shareholders, the Members and the Company (but not Telewest)
in connection therewith.


ARTICLE 12: DISSOLUTION OF THE COMPANY

     12.1 Dissolution.  Dissolution of the Company will occur upon the happening
of any of the following events:  [a] the sale of all or substantially all of the
Company's  assets;  [b] the  unanimous  Vote of the Members;  [c] April 1, 2045,
unless the Company is continued by the unanimous Vote of the Members; [d] a sale
of all or substantially all the assets of Telewest (other than by merger,  share
exchange, scheme of arrangement, recapitalization or similar transaction); [e] a
merger or consolidation of Telewest  pursuant to which all the voting securities
of the merged or consolidated  entity are held by Persons other than the Company
and the  Shareholders;  or [f] a reduction in the number of Shares in respect of
which the


<PAGE>

Company and the TCI Shareholder Group and the MediaOne  Shareholder Group in the
aggregate hold voting rights so that such Shares  represent,  for a period of 10
consecutive  days  or  longer,  less  than  50% of the  voting  power  of all of
Telewest's issued and outstanding share capital at that time.

     12.2  Exclusive  Means of  Dissolution.  The  exclusive  means by which the
Company may be dissolved are set forth in Section 12.1.  The Company will not be
dissolved  upon the death,  retirement,  resignation,  expulsion,  Bankruptcy or
dissolution  of any  Member  or upon the  occurrence  of any other  event  which
terminates the continued membership of any Member in the Company.


ARTICLE 13: LIQUIDATION

     13.1  Liquidation.  Upon  Dissolution of the Company,  the Company promptly
will file a statement of intent to dissolve with the Colorado Secretary of State
as required by the Act and will  thereafter  wind up its affairs and  liquidate.
The Member  owning the largest  Ownership  Interest,  or if such Member fails to
act,  any  Person  appointed  by  unanimous  Vote of the  Members,  will  act as
liquidating  trustee.  The winding up and  Liquidation  of the  Company  will be
accomplished in a businesslike manner as determined by the liquidating  trustee.
A reasonable time will be allowed for the orderly Liquidation of the Company and
the  discharge  of  liabilities  to  creditors  so as to enable  the  Company to
minimize any losses attendant upon Liquidation.  Any gain or loss on disposition
of any Company assets in  Liquidation  will be allocated to Members and credited
or charged to Capital  Accounts in accordance  with the provisions of Articles 4
and 5. Any  liquidating  trustee is  entitled  to  reasonable  compensation  for
services  actually  performed,  and may  contract  for  such  assistance  in the
liquidation process as such Person deems necessary. Until the filing of articles
of dissolution under Section 13.6, the liquidating  trustee may settle and close
the Company's  business,  prosecute  and defend suits,  dispose of its property,
discharge or make  provision  for its  liabilities,  and make  distributions  in
accordance with the priorities set forth in Section 13.2.

     13.2 Priority of Payment.  The assets of the Company will be distributed in
Liquidation of the Company in the following order:

[a]  Creditors.  First,  to creditors by the payment or provision for payment of
     the debts and  liabilities of the Company (other than any loans or advances
     made  by any  Member  or  any  of  its  Affiliates)  and  the  expenses  of
     Liquidation.

[b]  Reserves.  Second,  to the setting up of any reserves  that are  reasonably
     necessary  for any  contingent,  conditional  or unmatured  liabilities  or
     obligations of the Company.


<PAGE>

[c]  Loans.  Third, to the repayment of any loans or advances made by any Member
     or any Affiliate of a Member  (proportionately  if the amount available for
     such repayment is insufficient for payment in full).

[d]  Capital Accounts. Fourth, to the payment to the Members of their respective
     Capital  Account  balances  as  adjusted  for  their  respective  shares of
     liquidating Profits and Losses.

[e]  Balance.  Fifth, the balance,  if any, to the Members in the ratio of their
     Ownership Interests.

     13.3  Distribution  to Members.  Distributions  in  Liquidation  due to the
Members will be made by distributing  the Company assets to the Members at their
net Fair Market Value in kind unless all Members unanimously agree in writing to
the sale of the Company's assets and the  Distribution of the proceeds  thereof.
Any liquidating  Distribution in kind to the Members may be made either by a pro
rata  Distribution  of Shares  (pursuant to Section 6.5, if applicable) or, with
respect to other assets,  undivided  interests in such assets or, if the Members
unanimously agree in writing, by non pro rata Distribution of specific assets at
Fair Market Value on the effective date of  Distribution.  Any  Distribution  in
kind may be made subject to, or require assumption of, liabilities to which such
property may be subject,  but in the case of any non pro rata  Distribution only
upon the express  written  agreement of the Member  receiving the  Distribution.
Each Member  hereby agrees to save and hold harmless the other Members from such
Member's  share of any and all such  liabilities  which are taken  subject to or
assumed.  Appropriate  and customary  prorations and  adjustments  shall be made
incident to any Distribution in kind.

     13.4 Deficit Capital Account.  Except as otherwise specifically provided in
Section  4.4,  nothing  contained  in this  Agreement  imposes  on any Member an
obligation  to make an  Additional  Contribution  in order to  restore a deficit
Capital Account upon Liquidation of the Company. Each Member will look solely to
the assets of the Company for the return of such Member's Capital Contribution.

     13.5  Liquidating  Reports.  A report will be submitted by the  liquidating
trustee with each  liquidating  Distribution to Members showing the collections,
disbursements  and  distributions  during the period which is  subsequent to any
previous report. A final report, showing cumulative  collections,  disbursements
and Distributions,  will be submitted by the liquidating trustee upon completion
of the liquidation process.

     13.6  Articles  of  Dissolution.  Upon  Dissolution  of the Company and the
completion of the winding up of its business,  the Company will file articles of
dissolution  with the Colorado  Secretary of State  pursuant to the Act. At such
time,  the  Company  also  will  file  an  application  for  withdrawal  of  its
certificate  of authority in any  jurisdiction  where it is then qualified to do
business.



<PAGE>

ARTICLE 14: GENERAL PROVISIONS

     14.1 Amendment. This Agreement may be amended only by the unanimous Vote of
the  Members.  Any  amendment  will  become  effective  upon such  Vote,  unless
otherwise  provided.  Written notice of any proposed  amendment must be given at
least 5 days in advance of the meeting at which the amendment will be considered
(unless the Vote is evidenced by duly signed  minutes of action).  Any amendment
to this Agreement is binding upon, and inures to the benefit of, each Member who
holds an Ownership Interest at or after the time of such amendment,  without the
requirement  that  such  Member  sign  the  amendment  or any  republication  or
restatement of this Agreement.

     14.2  Unregistered  Interests.   Each  Member  [a]  acknowledges  that  the
Ownership   Interests  in  the  Company  are  being  offered  and  sold  without
registration  under the  Securities  Act of 1933,  as amended,  or under similar
provisions of state law, [b] acknowledges that such Member is fully aware of the
economic risks of an investment in the Company, and that such risk must be borne
for an indefinite  period of time,  [c] represents and warrants that such Member
is  acquiring  an  Ownership  Interest  for  such  Member's  own  account,   for
investment,  and with no view to the distribution of the Ownership  Interest and
[d] agrees not to Transfer,  or to attempt to Transfer,  all or any part of such
Ownership  Interest  without  registration  under the Securities Act of 1933, as
amended, and any applicable state securities laws, unless the Transfer is exempt
from such registration requirements.

     14.3 Reliance. Each Member will be fully protected in relying in good faith
upon the records of the Company and upon such information,  opinions, reports or
statements by [a] any of the Company's other Members, employees or committees or
[b] any other Person who has been  selected with  reasonable  care as to matters
such Member reasonably  believes are within such other Person's  professional or
expert  competence.  Matters as to which such  reliance  may be made include the
value and amount of assets,  liabilities,  Profits and Losses of the Company, as
well as other facts  pertinent to the  existence and amount of assets from which
Distributions to Members may properly be made.

     14.4 Equitable  Relief.  If any Person proposes to Transfer all or any part
of such Person's Ownership Interest in violation of the terms of this Agreement,
the Company or any Member may apply to any court of competent  jurisdiction  for
an injunctive order  prohibiting  such proposed  Transfer except upon compliance
with the terms of this  Agreement,  and the Company or any Member may  institute
and maintain any action or proceeding  against the Person proposing to make such
Transfer to compel the specific  performance  of this  Agreement.  Any attempted
Transfer in  violation of this  Agreement is null and void,  and of no force and
effect. The Person against whom such action or proceeding is brought irrevocably


<PAGE>

waives the claim or defense  that an  adequate  remedy at law  exists,  and such
Person will not urge in any such action or proceeding  the claim or defense that
an adequate remedy at law exists.

     14.5 Specific Performance. The Members agree that each would be irreparably
damaged if any Member failed to perform any obligation under this Agreement, and
that such Member would not have an adequate  remedy at law for money  damages in
such event.  Accordingly,  each Member will be entitled to specific  performance
and injunctive  and other  equitable  relief to enforce the  performance of this
Agreement.  This  provision  is without  prejudice to any other rights that such
Member may have under this Agreement, at law or in equity.

     14.6  Counterparts.   This  Agreement  may  be  executed  in  one  or  more
counterparts,  each of which shall constitute an original and all of which taken
together will constitute one agreement.

     14.7 Notices.  All notices under this Agreement will be in writing and will
be  delivered  or  mailed  addressed  [a] if to the  Company,  at the  Company's
principal business office, and [b] if to any Member, at such Person's address as
then appearing on the records of the Company.

     14.8 Deemed Notice. All notices given to any Person in accordance with this
Agreement  will be deemed to have been duly  given [a] on the date of receipt if
personally delivered, [b] three days after being sent by registered or certified
mail,  postage  prepaid,  return receipt  requested,  [c] when sent by confirmed
electronic  facsimile transfer or [d] one business day after having been sent by
a nationally recognized overnight courier service.

     14.9  Waivers  Generally.  No course of dealing  will be deemed to amend or
discharge any provision of this Agreement. No delay in the exercise of any right
will  operate as a waiver of such  right.  No single or partial  exercise of any
right  will  preclude  its  further  exercise.  A waiver of any right on any one
occasion  will not be construed as a bar to, or waiver of, any such right on any
other occasion.

     14.10  Partial  Invalidity.  Wherever  possible,  each  provision  of  this
Agreement  will be interpreted in such manner as to be effective and valid under
applicable law. However,  if for any reason any one or more of the provisions of
this Agreement are held to be invalid,  illegal or  unenforceable in any respect
by a court of  competent  jurisdiction,  such  holding will not affect any other
provision of this  Agreement.  In such event,  this  Agreement  will continue in
force  and  will be  construed  as if such  invalid,  illegal  or  unenforceable
provision had never been contained in it.

     14.11 Entire Agreement.  This Agreement, the Contribution Agreement and the
Relationship  Agreement  contain the entire  agreement and  understanding of the


<PAGE>

Members  with  respect to their  subject  matter,  and  supersede  all prior and
contemporaneous written and oral agreements with respect thereto.

     14.12 No Third Party Benefit.  The contribution  obligations of each Member
will inure solely to the benefit of the other  Members and the Company,  without
conferring on any other Person any rights of enforcement or other rights.

     14.13 Binding  Effect.  This  Agreement is binding upon,  and inures to the
benefit of, the Members and their permitted Transferees.

     14.14   Further   Assurances.   Each   Member   agrees,   without   further
consideration,  to sign and deliver such other documents of further assurance as
may reasonably be necessary to effectuate the provisions of this Agreement.

     14.15  Headings.   Article  and  Section  titles  have  been  inserted  for
convenience  of reference  only.  They are not intended to affect the meaning or
interpretation of this Agreement.

     14.16 Terms. Terms used with initial capital letters will have the meanings
specified,  applicable to both  singular and plural  forms,  for all purposes of
this Agreement.  All pronouns (and any variation) will be deemed to refer to the
masculine,  feminine or neuter,  as the identity of the Person may require.  The
singular or plural include the other,  as the context  requires or permits.  The
word "include" (and any variation) is used in an illustrative  sense rather than
a limiting sense.  The terms "shall" and "will" both refer to an obligation that
is mandatory.

     14.17  Governing  Law. This Agreement will be governed by, and construed in
accordance  with,  the laws of the State of  Colorado  without  considering  any
conflicts  of law  principles.  Any conflict or apparent  conflict  between this
Agreement  and the Act will be  resolved  in favor of this  Agreement  except as
otherwise required by the Act.

     14.18  Restrictive  Trade  Practices  Act. Any provision  contained in this
Agreement or in any  arrangement of which this Agreement forms part by virtue of
which this Agreement or such  arrangement is subject to  registration  under the
Restrictive  Trade  Practices  Acts 1976 and 1977 of England  will not come into
effect until the day following the date on which  particulars  of this Agreement
and of any such  arrangement  have been  furnished to the Office of the Director
General of Fair Trading in accordance with the requirements of such Acts.


<PAGE>

     In Witness  Whereof,  the Members  have signed  this  Amended and  Restated
Operating Agreement of TW Holdings, L.L.C. to be effective _________ __, 1998.



                                                  UNITED ARTISTS PROGRAMMING-
                                                  EUROPE, INC.


                                                  ______________________________
                                                  By:
                                                  Its:

                                                  U S WEST CABLE PARTNERSHIP
                                                  HOLDINGS, INC.


                                                  ______________________________
                                                  By:
                                                  Its:
                                                  

                                                  U S WEST UK CABLE, INC.


                                                  ______________________________
                                                  By:
                                                  Its:

<PAGE>
                                    EXHIBIT A

                              CAPITAL CONTRIBUTIONS

<TABLE>
<CAPTION>

                                        Initial                     Additional                    Ownership
                                      Contribution                 Contribution                   Interest
                                      ------------                 ------------                   --------
<S>                           <C>                           <C>                                     <C> 
United Artists                1,000 plus 378,750,000        84,638,960 Shares                        50%
Programming-Europe Inc.       Shares

MediaOne UK Cable, Inc.       $912.90 plus 345,744,800      77,308,958 Shares                      45.67%
                              Shares

MediaOne Cable Partnership    $87.10 plus 33,005,200        7,380,002 Shares                       4.33%\
Holdings, Inc.               Shares

</TABLE>




                                                                     EXHIBIT (9)

                             CONTRIBUTION AGREEMENT


     This Contribution Agreement (this "Agreement") is made as of ________, 1998
among MediaOne Cable Partnership  Holdings,  Inc., formerly named U S WEST Cable
Partnership Holdings,  Inc. ("U S WEST Holdings"),  and MediaOne UK Cable, Inc.,
formerly  named U S WEST UK  Cable,  Inc.  ("U S  WEST-UK")  (collectively,  the
"MediaOne  Members"),  United  Artists  Programming-Europe,   Inc.  (the  "TINTA
Member") and TW Holdings,  L.L.C.,  a Colorado  limited  liability  company (the
"Company").


                                    RECITALS

     The MediaOne Members and the TINTA Member (collectively, the "Members") are
all of the members of the Company.  The Company  beneficially  owns ordinary and
convertible  preference shares of Telewest  Communications plc ("Telewest") that
were  previously  contributed to it by the Members.  The Members wish to provide
for  additional  contributions  to the Company as  required by the  Subscription
Agreement   dated   April   15,   1998   among   Telewest,   U  S  WEST,   Inc.,
Tele-Communications International, Inc. and Cox Communications, Inc., as amended
and restated by the Subscription Agreement among those parties dated _______ __,
1998  (together,  the  "Subscription  Agreement")  and to amend and  restate the
Company's  operating agreement in connection  therewith.  Capitalized terms used
but not  defined  in this  Agreement  will have the  meanings  given them in the
Subscription Agreement.

     In  consideration  of the mutual  promises and covenants  contained in this
Agreement, the parties agree as follows:


                       I. CONTRIBUTIONS; OTHER AGREEMENTS

     1.1  Contributions to the Company.  Subject to the terms and conditions set
forth in the  Subscription  Agreement,  promptly after they have received notice
from  Telewest of the number of Primary  Subscription  Shares taken up by Public
Telewest Shareholders,  (a) the TINTA Member will contribute to the Company cash
in the amount  required to permit the Company to subscribe  for and purchase the
Primary  Subscription  Shares  that  were not  taken up by the  Public  Telewest
Shareholders, to the extent of the TINTA Member's Proportionate Commitment, plus
an amount equal to the aggregate Open Offer Price of the TINTA Committed  Shares
and (b) the MediaOne  Members will  contribute to the Company cash in the amount
required  to permit the  Company  to  subscribe  for and  purchase  the  Primary
Subscription Shares that were not taken up by the Public Telewest  Shareholders,
to the  extent  of the  MediaOne  Members'  Proportionate  Commitment,  and  the
Secondary  Subscription  Shares  that were not taken up by the  Public  Telewest
Shareholders  plus an amount equal to the aggregate  Open Offer Price of the U S
WEST Committed Shares.


<PAGE>

     1.2 Company Subscription for Primary and Secondary Subscription Shares. The
Company  will  subscribe  for (a) the Primary  Subscription  Shares that are not
taken up by the Public Telewest Shareholders to the extent of the TINTA Member's
and the U S WEST Members'  Proportionate  Commitments pursuant to Section 5.3 of
the  Subscription  Agreement and (b) the Secondary  Subscription  Shares (to the
extent not taken up by the Public Telewest Shareholders) pursuant to Section 5.4
of the Subscription Agreement,  and when such shares are allotted to the Company
by Telewest the Company will purchase such shares with the cash  contributed  to
it by the Members pursuant to Section 1.1.

     1.3 Subscription for Committed Shares. Prior to the Latest Application Time
(a) the TINTA Member will subscribe for the TINTA  Committed  Shares and (b) the
MediaOne  Members will subscribe for the U S WEST Committed  Shares  pursuant to
Section 4.1 of the Subscription Agreement,  and when such shares are allotted to
the Members by Telewest the Members will purchase such shares with cash provided
by the Company.

     1.4 Other  Agreements.  At the time the  transactions  contemplated by this
Agreement are consummated (the "Closing"), each Member will execute and deliver:

          (a) an Amended and Restated Operating Agreement for the Company in the
     form of Exhibit A;

          (b) a Nominee  Agreement  in the form of  Exhibit B in  respect of the
     TINTA Committed Shares or the U S WEST Committed Shares, as applicable; and

          (c) a  Declaration  of Trust in the form of  Exhibit  C for the  TINTA
     Committed Shares or the U S WEST Committed Shares, as applicable.


                II. REPRESENTATIONS AND WARRANTIES OF THE MEMBERS

     Each Member  represents  and warrants to the other  Members and the Company
that:

     2.1  Organization,  Good Standing and Authority.  It is a corporation  duly
organized,  validly  existing  and  in  good  standing  under  the  laws  of the
jurisdiction  of its  formation  and  has  all  requisite  corporate  power  and
authority  to carry on its  business as it is now being  conducted  and to enter
into  and to  perform  its  obligations  under  this  Agreement,  the  Operating
Agreement  and the other  agreements to be executed and delivered by it pursuant
to this Agreement.

     2.2 Authorization and Validity; No Conflicts. The execution and delivery by
such  Member  of,  and the  performance  by it of its  obligations  under,  this
Agreement,  the Operating  Agreement and the other agreements to be executed and
delivered  by it pursuant to this  Agreement  have been duly  authorized  by all
requisite  corporate action. This Agreement  constitutes,  and when executed and
delivered by such Member, the Operating Agreement and the other agreements to be
executed and delivered by it pursuant to this  Agreement  will  constitute,


<PAGE>

its legal, valid and binding  obligations,  enforceable in accordance with their
respective terms,  except as such  enforceability  may be affected by applicable
bankruptcy,  reorganization,   insolvency,  moratorium  or  other  similar  laws
affecting  creditors' rights generally or by general equitable  principles.  The
execution  and  delivery  by such  Member of, and the  performance  by it of its
obligations  under,  this  Agreement,  the  Operating  Agreement  and the  other
agreements  to be executed and delivered by it pursuant to this  Agreement  will
not violate its articles or certificate of  incorporation  or bylaws or, subject
to the Subscription Agreement becoming unconditional,  any material agreement to
which it is a party or by which it is bound or affected or any  applicable  law,
regulation or rule.

     2.3 Consents.  Except as required for the Subscription  Agreement to become
unconditional,  no consent or approval of,  notice to or filing with,  any other
Person is required in connection with the execution, delivery and performance by
such Member of this Agreement,  the Operating Agreement and the other agreements
to  be  executed  and  delivered  by  it  pursuant  to  this  Agreement  or  the
consummation by it of the transactions contemplated hereby or thereby.

     2.4 No Liens on  Telewest  Shares.  Except  with  respect to the rights and
obligations of the parties set forth in the Nominee Agreements, the Declarations
of Trust and the Operating  Agreement to be executed and  delivered  pursuant to
this Agreement, when delivered by such Member at the Closing the ordinary shares
of Telewest to be contributed by such Member to the Company will be owned by the
Company free and clear of any lien,  charge,  encumbrance,  security interest or
any other  right of any third  party  whatsoever,  except  those  imposed by the
Articles of Association of Telewest,  the Nominee Agreements and Declarations of
Trust required by this Agreement or applicable law.


                    III. CONDITION TO OBLIGATIONS OF PARTIES

     No  party  will  have  any  obligation  to  consummate   the   transactions
contemplated  by  this  Agreement  unless  the  Subscription  Agreement  becomes
unconditional in accordance with its terms.


                            IV. INTENTIONALLY OMITTED


                                V. MISCELLANEOUS

     5.1 Notices. All notices, requests, demands and other communications called
for or contemplated hereunder will be in writing and will be deemed to have been
duly given if delivered in person or by certified or registered  mail,  prepaid,
or sent by courier or  confirmed  telecopy.  Notices  will be  addressed  to the
Company at its  registered  address  and to the Members at their  addresses  set
forth on the books of the  Company.  Any party may change  the  address to which
notices are  required  to be sent by giving  notice of such change in the manner
provided in


<PAGE>

this  Section.  All notices will be deemed to have been  received on the date of
delivery or on the third Business Day after the mailing thereof.

     5.2  Confidentiality.  Whether or not the transactions  contemplated hereby
are consummated,  each party will keep  confidential any non-public  information
obtained from the other in connection with the transactions contemplated by this
Agreement,  will not utilize such information for any purpose and will return to
the other party all documents, work papers and other materials obtained by it in
connection with the transactions contemplated hereby.

     5.3 Modification;  Waiver. This Agreement may be modified only by a writing
signed by all parties,  and no provision or condition herein may be waived other
than by a writing signed by the party waiving such provision or condition.

     5.4 Headings.  Article and Section  headings in this  Agreement are for the
sole purpose of convenient  reference  and in no way define,  limit or prescribe
the scope or intent of this Agreement or any part hereof, and such headings will
not be considered in interpreting or construing this Agreement.

     5.5 Assignment. No party will assign any of its rights under this Agreement
or delegate its duties  hereunder unless it obtains the prior written consent of
the other parties,  which consent may be withheld at each such party's  absolute
discretion.

     5.6 Counterparts.  This Agreement may be executed in counterparts,  each of
which will be deemed to be an  original  and all of which  taken  together  will
constitute one instrument.

     5.7  Additional  Documents.  At the Closing and from time to time after the
Closing,  at any party's  request and without further  consideration,  the other
parties  will  execute and deliver  such other  instruments  of  conveyance  and
transfer and take such other action as may reasonably be required to effectively
carry out the transactions contemplated by this Agreement.

     5.8 Other  Provisions.  This  Agreement  together with its exhibits and the
Operating Agreement constitute the entire agreement of the parties regarding the
subject matter hereof and thereof, and all prior or contemporaneous  agreements,
understandings,  representations  and  statements,  oral or written,  are hereby
merged into this Agreement and the Operating  Agreement.  This Agreement will be
binding  upon and  inure to the  benefit  of the  parties  and,  subject  to the
limitations set forth in Section 5.5, their  respective  successors and assigns.
The  provisions of this  Agreement are for the exclusive  benefit of the parties
and their  permitted  successors  and assigns,  and no other person or entity is
intended to be a third party beneficiary or to have any rights by virtue of this
Agreement.

     5.9 Governing Law. This Agreement will be governed by the laws of the State
of Colorado, without regard to any conflicts of laws principles.


<PAGE>

     IN WITNESS WHEREOF, the parties have executed this Agreement as of the date
first above written.

                            MEDIAONE CABLE PARTNERSHIP
                            HOLDINGS, INC.

                             By:  
                                    Name:  
                                    Title:  


                            MEDIAONE UK CABLE, INC.


                             By:  
                                    Name:  
                                    Title:  


                            UNITED ARTISTS PROGRAMMING-
                            EUROPE, INC.

                             By:  
                                    Name:  
                                    Title:  
                                    


                             TW HOLDINGS, L.L.C.

                             By:  
                                    Name:  
                                    Title:  

                             TW HOLDINGS, L.L.C.

                             By:  
                                    Name:  
                                    Title:  



                                                                    Exhibit (10)


Mr. Rick Moore
Southwestern Bell International Holdings (UK-1) Corporation ("SBC")
175 East Houston
Room 11 B80
San Antonio, TX 78205

PRIVATE & CONFIDENTIAL


Dear Rick,

TELEWEST COMMUNICATIONS PLC ("TELEWEST")

     Further to our discussions over the weekend, I want to confirm with you the
agreement we have reached:

1.   Subject to the matters  outlined in  paragraph 3 below,  SBC agrees to sell
     and MediaOne International  Holdings,  Inc. ("MEDIAONE HOLDINGS") agrees to
     buy as soon as reasonably practical,  but in any event within five business
     days from  satisfaction  of the  conditions  set out in  paragraph 3, up to
     180,000,000  ordinary  shares  of 10p  each  in  the  capital  of  TeleWest
     ("TELEWEST  SHARES") subject to a minimum number  ("MINIMUM")  equal to the
     lesser of (a)  170,000,000  of such  ordinary  shares and (b) the number of
     TeleWest  Shares  as  shall  be  available  for SBC to sell  following  any
     exercise by Tele-Communications  International, Inc. ("TINTA") in regard to
     its right of first  offer  referred to in 3(a) below at a price of US $2.25
     per share.

2.   Within five business days of  satisfaction of the conditions in paragraph 3
     below, MediaOne Holdings shall acquire and SBC shall sell the lesser of (a)
     such number of the Telewest  Shares as when aggregated with those then held
     by MediaOne Holdings and persons treated as acting in concert with MediaOne
     Holdings for the purposes of the City Code on Takeovers and Mergers,  would
     represent 29.9% of the voting rights of TeleWest (but in no event less than
     the  Minimum)  or (b) all of the  TeleWest  Shares or any lesser  number of
     TeleWest  Shares  as  shall  be  available  for SBC to sell  following  any
     exercise by TINTA in regard to its right of first offer referred to in 3(a)
     below ("SALE SHARES"). SBC will be under no obligation to sell and MediaOne
     Holdings will be under no  obligation  to buy any TeleWest  Shares from SBC
     other than the Sale Shares.  MediaOne  Holdings  confirms that based on the
     provisional  figures produced in connection with the merger of TeleWest and
     General Cable by J. Henry Schroder & Co. Ltd., London ("SCHRODERS") dated 7
     September  1998 and  aggregating  the  number  of shares  held by  MediaOne
     Holdings and persons  treated as acting in concert with it for the purposes
     of the City Code on Takeovers  and Mergers,  the number of Sale Shares that
     it will be entitled to acquire will be  178,077,333.  However,  the precise
     number of Sale Shares to be acquired by MediaOne is subject to confirmation
     by


<PAGE>

     Schroders,  which  confirmation  is  expected  to be  given by  Tuesday  15
     September.  At  completion  MediaOne  Holdings  will pay to SBC in same day
     funds of US $2.25 per share by electronic  transfer to an account  notified
     by SBC  against  delivery  to  MediaOne  Holdings  of duly  executed  stock
     transfer forms in respect of the Sale Shares in favor of MediaOne  Holdings
     (or its designee) and the relative  share  certificates.  Completion  shall
     take place at MediaOne  Holdings' offices in London.  SBC and MediaOne will
     defer to the opinion if  Schroders  in the event of a dispute over level or
     calculation of shareholdings.

3.   This  agreement and  completion of the sale and purchase is  conditional an
     the following:

     a.   (subject to Schroders first  confirming to MediaOne the number of Sale
          Shares which  MediaOne is entitled to acquire and  MediaOne  notifying
          SBC of that  number)  either  SBC  providing  a waiver  from  TINTA in
          respect of the Sale Shares  regarding  the rights of first offer under
          clause 9.1 of the Amended and Restated Relationship Agreement dated as
          of 15 April 1998 relating to Telewest or SBC providing  written notice
          to commence the procedures  prescribed by clause 9.1 in respect of the
          Sale Shares and once  completed SBC being free to sell the Sale Shares
          to MediaOne Holdings or its designee at US $2.25 per share;

     b.   the Panel  confirming by Friday 25 September 1998 that should MediaOne
          Holdings not acquire the whole of SBC's shareholdings in TeleWest,  it
          will not treat SBC as acting in concert with MediaOne  Holdings  (such
          that  SBC's  residual   shareholding  would  be  aggregated  with  the
          shareholdings of MediaOne Holdings and its other concert parties so as
          to trigger a mandatory offer requirement under Rule 9 of the City Code
          on Takeovers and Mergers);

     c.   the  Panel  confirming  by  Friday 25  September  1998  that  MediaOne
          Holdings  will not be entitled or obliged to acquire any shares in the
          capital of Telewest the acquisition of which would trigger a mandatory
          offer  requirement  under  Rule 9 of the City  Code on  Takeovers  and
          Mergers;

     d.   compliance by Friday 25 September  1998 by MediaOne  Holdings with all
          applicable  US  legal  requirements  including,   without  limitation,
          applicable United States Federal and State securities laws.

4.   MediaOne Holdings shall use commercially  reasonable efforts to satisfy the
     conditions in 3b, 3c and 3d above and SBC shall use commercially reasonable
     efforts to satisfy the  condition  in 3a above.  Each party shall  promptly
     notify  the  other of the  satisfaction  of any  condition  referred  to in
     paragraph 3 above for which it is  responsible  and shall provide  evidence
     reasonably  satisfactory  to the  other  party  of the  fulfillment  of the
     relevant condition.

5.   MediaOne  Holdings  undertakes that it shall not, and that it shall use all
     its rights and powers to  procure  that no other  person  acting in concert
     with it shall not,  take any 


<PAGE>

     action  which  would  reduce  the  number  of Sale  Shares  which  it would
     otherwise be obliged to buy pursuant to this Agreement.

6.   MediaOne  Holdings  agrees that it will not resell any Sale Shares required
     by it under this  Agreement  except  pursuant to an effective  registration
     statement  covering  those Sale  Shares or pursuant  to an  exemption  from
     registration under the US Securities Act of 1933.

7.   Both parties shall first  approve any public  announcement  regarding  this
     Agreement  save to the extent that any  announcement  is required by law or
     the rules of any applicable stock exchange.

8.   Each party  represents  to the other that it has due  authority  to execute
     this Agreement.

     This is intended to represent a legally binding  agreement  between SBC and
MediaOne  Holdings and I suggest that it be governed by English law. I should be
grateful if you would confirm your agreement to the above terms on behalf of SBC
by signing and returning the enclosed copy of this letter.

Yours sincerely,

/s/ Robert J. Ford
For and on behalf of
MediaOne International Holdings, Inc.

Dated:  9/10/98

Agreed and Accepted:

/s/ James Kahan
For and on behalf of
SBC International Holdings (UK-1) Corporation


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