Prepared and filed by St Ives Burrups

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated March 14, 2005 relating to the financial statements, financial statement schedules, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in Brandywine Realty Trust’s Annual Report on Form 10-K for the year ended December 31, 2004. We also consent to the reference to us under the heading “Experts” in such Registration Statement.