Exhibit 23.1
                                                                  ------------

                      CONSENT OF INDEPENDENT ACCOUNTANTS

                  As independent public accountants, we hereby consent to the
incorporation by reference in this Registration Statement on Form S-8 (the
"Registration Statement") of Brandywine Realty Trust (the "Company") of: our
report dated March 4, 1998, on the consolidated financial statements of the
Company, included in the Company's Annual Report on Form 10-K for the year
ended December 31, 1997; our report dated February 11, 1997 on the combined
financial statements of revenue and certain expenses of Columbia Acquisition
Properties for the year ended December 31, 1996, included in the Company's
Form 8-K/A (No.1) dated February 13, 1997 and Form 8-K/A (No. 2) dated
February 24, 1997; our report dated January 29, 1997 on the combined financial
statements of revenue and certain expenses of Main Street Properties for the
year ended December 31, 1996, included in the Company's Form 8-K/A (No. 1)
dated April 29, 1997; our report dated May 29, 1997 on the combined financial
statements of revenue and certain expenses of TA Properties for the year ended
December 31, 1996, included in the Company's Form 8-K dated June 9, 1997; our
report dated June 3, 1997 on the combined financial statements of revenue and
certain expenses of Emmes Properties for the year ended December 31, 1996,
included in the Company's Form 8-K dated June 9, 1997; our report dated June
23, 1997 on the combined financial statements of revenue and certain expenses
of 748 & 855 Springdale Drive for the year ended December 31, 1996 included in
the Company's Form 8-K dated June 26, 1997; our report dated July 21, 1997 on
the combined financial statements of revenue and certain expenses of the Green
Hills Properties for the year ended December 31, 1996 included in the
Company's Form 10-Q for the quarter ended June 30, 1997; our report dated July
21, 1997 on the combined financial statements of revenue and certain expenses
of the Berwyn Park Properties for the year ended December 31, 1996, included
in the Company's Form 10-Q for the quarter ended June 30, 1997; our report
dated August 21, 1997 on the combined financial statements of revenue and
certain expenses of 500 & 501 Office Center Drive for the year ended December
31, 1996 included in the Company's Form 8-K dated September 10, 1997; our
report dated October 15, 1997 on the combined financial statements of revenue
and certain expenses of Metropolitan Industrial Center for the year ended
December 31, 1996, included in the Company's Form 8-K dated October 30, 1997;
our report dated October 27, 1997 on the combined financial statements of
revenue and certain expenses of Atrium I for the year ended December 31, 1996,
included in the Company's Form 8-K dated October 30, 1997; our report dated
November 14, 1997 on the combined financial statements of revenue and certain
expenses of Scarborough Properties for the year ended December 31, 1996,
included in the Company's Form 8-K dated December 17, 1997; our report dated
December 3, 1997 on the financial statement of revenue and certain expenses of
Bala Pointe Office Centre for the year ended December 15, 1996, included in
the Company's Form 8-K dated December 17, 1997; and our report dated December
13, 1997 on the combined financial statements of revenue and certain expenses
of GMH Properties for the year ended December 31, 1996, included in the
Company's Form 8-K dated December 17, 1997; our report dated January 22, 1998
on the combined financial statement of revenue and certain expenses of the
RREEF Properties for the year ended December 31, 1996, included in the
Company's Form 8-K dated January 27, 1998; our report dated January 23, 1998
on the financial statement of revenue and certain expenses of Three Christina
Centre for the year ended December 31, 1996, included in the Company's Form
8-K dated February 23, 1998; our report dated March 24, 1998 on the financial
statement of revenue and certain expenses of Three Christina Centre for the
year ended December 31, 1997, included in the Company's Form 8-K dated April
16, 1998; our report dated April 15, 1998 on the combined financial statements
of revenue and certain expenses of DKM Properties for the year ended December
31, 1997, included in the Company's Form 8-K/A dated April 16, 1998; our
report dated April 27, 1998 on the combined financial statements of revenue
and certain expenses of First Commercial Properties for the year ended
December 31, 1997, included in the Company's Form 8-K dated May 14, 1998; our
report dated May 1, 1998 on the financial statement of revenue and certain
expenses of One Christina Centre for the year ended December 31, 1997,
included in the Company's Form 8-K dated May 14, 1998; and to all references
to our Firm included in this Registration Statement.



                             /s/ Arthur Andersen LLP
                             ------------------------
                             Arthur Andersen LLP

Philadelphia, Pennsylvania
May 18, 1998