UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934


Date of Report (Date of earliest event reported): February 4, 2005

                        ASPEN INSURANCE HOLDINGS LIMITED
             (Exact name of registrant as specified in its charter)

           BERMUDA                  001-31909                  NOT APPLICABLE
(State or other jurisdiction       (Commission                (I.R.S. Employer
      of incorporation)            File Number)              Identification No.)

                                 VICTORIA HALL
                               11 VICTORIA STREET
                                 HAMILTON HM 11
                                     BERMUDA
                    (Address of principal executive offices)
                                   (Zip Code)

       Registrant's telephone number, including area code: (441) 295-8201

                                 NOT APPLICABLE
          (Former name or former address, if changed since last report)

Check the appropriate box below if the form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
     (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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SECTION 7 - REGULATION FD

ITEM 7.01 REGULATION FD DISCLOSURE

     On February 4, 2005, Aspen Insurance Holdings Limited issued a press
release announcing the filing of an unallocated universal shelf registration
statement with the Securities and Exchange Commission, which has been attached
as Exhibit 99.1.

SECTION 9. FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01- FINANCIAL STATEMENTS AND EXHIBITS

(c) The following exhibit is furnished under Items 7.01 part of this report:

     99.1 Press Release of the Registrant, dated February 4, 2005.


     The information furnished under Item 7.01 " Regulation FD Disclosure" shall
not be deemed "filed" for purpose of Section 18 of the Securities Exchange Act
of 1934, as amended (the "Exchange Act"), or incorporated by reference in any
filing under the Securities Act of 1933, as amended, or the Exchange Act, except
as shall be expressly set forth by specific reference in such a filing.


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                                   SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                    ASPEN INSURANCE HOLDINGS LIMITED
                                               (Registrant)

Dated:  February 4, 2005            By: /s/ Julian Cusack
                                        ----------------------------------------
                                    Name:  Julian Cusack
                                    Title: Chief Executive Officer



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                                INDEX TO EXHIBITS

EXHIBIT NO.                         DESCRIPTION
-----------  -------------------------------------------------------------------
99.1         Press Release of the Registrant dated February 4, 2005.




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