EXHIBIT 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors
BioMed Realty Trust, Inc.:

We consent to the incorporation by reference in Registration Statement No.
333-117977 on Form S-8 of BioMed Realty Trust, Inc. of our report dated March
30, 2005, with respect to the consolidated balance sheet of BioMed Realty Trust,
Inc. and subsidiaries (the Company) as of December 31, 2004 and the balance
sheet of Inhale 201 Industrial Road, L.P. (the Predecessor), as defined in note
1 to the Company's consolidated financial statements, as of December 31, 2003,
and the related consolidated statements of income and stockholders' equity of
the Company for the period from August 11, 2004 (commencement of operations)
through December 31, 2004, the related statements of income and owners' equity
of the Predecessor for the period from January 1, 2004 through August 17, 2004
and the years ended December 31, 2003 and 2002, the related consolidated and
combined statement of cash flows of the Company and the Predecessor for the year
ended December 31, 2004, the related statements of cash flows of the Predecessor
for the years ended December 31, 2003 and 2002, and the related financial
statement schedule III of the Company, which report appears in the December 31,
2004 annual report on Form 10-K of BioMed Realty Trust, Inc.

                                    KPMG LLP

San Diego, California
March 30, 2005