ITT HARTFORD LIFE & ANNUITY INSURANCE CO SEPARATE ACCOUNT ON, 497J, 1998-10-01

ITT HARTFORD LIFE & ANNUITY INSURANCE CO SEPARATE ACCOUNT ON
497J, 1998-10-01

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                                                                          [LOGO]
                                                                   HARTFORD LIFE

                                                                 SHARON LOGHMANI
                                                                 PARALEGAL



October 1, 1998



Securities and Exchange Commission
450 Fifth Street, N. W.
Washington, D.C.  20549
Attention: Filing Room

Re:  Hartford Life and Annuity Insurance Company Separate Account One
     ("Registrant")
     Individual Single Premium Variable Annuity Immediate Annuity Contract
     File No. 333-19607

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, we hereby certify
that:

     1.   The form of prospectus and Statement of Additional Information
          that would have been filed, on behalf of the Registrant,  under
          paragraph (c) under this section did not differ from that
          contained in the Registrant's most recent post-effective
          amendment; and

     2.   The text of the Registrant's most recent post-effective amendment
          has been filed electronically with the Securites and Exchange
          Commission on September 29, 1998.

If you have any additional questions, please feel free to contact me at (860)
843-3485.

Sincerely yours,

/s/ Sharon Loghmani

Sharon Loghmani
Paralegal