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) June 17, 2002


                               Trenwick Group Ltd.
             (Exact Name of Registrant as Specified in its Charter)



Bermuda                              1-16089                 98-0232340
State or Other Jurisdiction        (Commission               (IRS Employer
of Incorporation)                  File Number)              Identification No.)


LOM Building, 27 Reid Street                                  Not Applicable
Hamilton HM 11, Bermuda
(Address of Principal Executive Offices)                        (Zip Code)


Registrant's telephone number, including area code      (441) 292-4985

         Continental Building, 25 Church Street, Hamilton HM 12, Bermuda
          (Former Name or Former Address, if Changed Since Last Report)





Item 5. - Other Events

      Trenwick Group Ltd. ("Trenwick") repaid on June 17, 2002 the $195 million
principal amount of the outstanding term loans under the Amended and Restated
Credit Agreement, dated as of September 27, 2000 and amended from time to time,
among Trenwick America Corporation, Trenwick Holdings Limited, various lending
institutions party thereto, First Union National Bank, as Syndication Agent,
Fleet National Bank, as Documentation Agent and JP Morgan Chase Bank, as
Administrative Agent (the "Credit Facility"). Trenwick funded the repayment of
the outstanding borrowings under the Credit Facility through intercompany loans
and capital contributions originating from its indirect subsidiary, LaSalle Re
Limited, which is a direct subsidiary of LaSalle Re Holdings Limited. The Credit
Facility remains in place with respect to Trenwick's $230 million letter of
credit facility, which is used to support Trenwick's underwriting operations at
Lloyd's.

      On June 17, 2002, Trenwick issued a press release announcing the
repayment. A copy of the press release is filed herewith as Exhibit 99.1 and is
incorporated by reference herein.

Item 7. Financial Statements and Exhibits

(c)   Exhibits

99.1  Press release of Trenwick Group Ltd. issued June 17, 2002.

                                    SIGNATURE

      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.

                                            TRENWICK GROUP LTD.


                                            By:  /s/ James F. Billett, Jr.
                                               ---------------------------------
                                               James F. Billett, Jr.
                                               Chairman, President and
                                               Chief Executive Officer


Dated: June 27, 2002


                                       2



                                  EXHIBIT INDEX


Exhibit         Description of Exhibit
-------         ----------------------

99.1    Press release of Trenwick Group Ltd. issued June 17, 2002.