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) March 30, 2007

                              WINTHROP REALTY TRUST
                              ---------------------
             (Exact Name of Registrant as Specified in Its Charter)

                                      Ohio
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                 (State or Other Jurisdiction of Incorporation)

          001-06249                                      34-6513657
   (Commission File Number)                 (I.R.S. Employer Identification No.)

7 Bulfinch Place, Suite 500, P.O. Box 9507, Boston, Massachusetts       02114
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(Address of Principal Executive Offices)                              (Zip Code)

                                 (617) 570-4614
              ----------------------------------------------------
              (Registrant's Telephone Number, Including Area Code)

                                       n/a
          -------------------------------------------------------------
          (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 obligations of the registrant under any of the
following provisions

|_|   Written communications pursuant to Rule 425 under the Securities Act (17
      CFT|R 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))



Item 7.01. Regulation FD Disclosure.

      On March 30, 2007, Michael L. Ashner, the Chairman and Chief Executive
Officer of Winthrop Realty Trust (the "Trust") sent the letter attached hereto
as Exhibit 99.1 to the shareholders of the Trust along with the Trust's Annual
Report for 2006.

Item 9.01. Financial Statements and Exhibits

      (c)   Exhibits

            99.1  Letter to Shareholders

                                    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 on this 2nd day of April, 2007.

                                                WINTHROP REALTY TRUST


                                                By: /s/ Peter Braverman
                                                    ----------------------------
                                                    Peter Braverman
                                                    President