
<PAGE>   1
                                                                EXHIBIT 23.1



                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the use of our report
dated March 4, 1996 (except with respect to the matters discussed in Note 16, as
to which the date is October 7, 1996) on the consolidated financial statements
of Brandywine Realty Trust as of December 31, 1994 and 1995, and for each of the
three years in the period ended December 31, 1995, and to all references to our
firm included in or made a part of this Registration Statement on Form S-11. It
should be noted that we have not audited any financial statements of Brandywine
Realty Trust subsequent to December 31, 1995 or performed any audit procedures
subsequent to the date of our report.


                                        ARTHUR ANDERSEN LLP


Philadelphia, Pa.,
   
 November 25, 1996
    
<PAGE>   2
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the use of our report
dated April 12, 1996 on the combined financial statements of the SSI/TNC
Properties as of December 31, 1994 and 1995 and for each of the three years in
the period ended December 31, 1995, and to all references to our firm included
in or made a part of this Registration Statement on Form S-11. It should be
noted that we have not audited any financial statements of the SSI/TNC
Properties subsequent to December 31, 1995 or performed any audit procedures
subsequent to the date of our report.


                                        ARTHUR ANDERSEN LLP


Philadelphia, Pa.,
   
 November 25, 1996
    
<PAGE>   3
                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the use of our report
dated June 14, 1996 on the statement of revenue and certain expenses of the
LibertyView Building for the year ended December 31, 1995, and to all references
to our firm included in or made a part of this Registration Statement on Form
S-11. It should be noted that we have not audited any financial statements of
the LibertyView Building subsequent to December 31, 1995 or performed any audit
procedures subsequent to the date of our report.


                                        ARTHUR ANDERSEN LLP


Philadelphia, Pa.,
   
 November 25, 1996
    

<PAGE>   4
                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the use of our report
dated October 29, 1996 on the statement of revenue and certain expenses of the
SERS Acquisition Properties for the year ended December 31, 1995, and to all
references to our firm included in or made a part of this Registration Statement
on Form S-11. It should be noted that we have not audited any financial
statements of the SERS Acquisition Properties subsequent to December 31, 1995
or performed any audit procedures subsequent to the date of our report.


                                        ARTHUR ANDERSEN LLP


Philadelphia, Pa.,
   
 November 25, 1996
    
<PAGE>   5
                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the use of our report
dated October 31, 1996 on the statement of revenue and certain expenses of the
Delaware Acquisition Property for the year ended December 31, 1995, and to all
references to our firm included in or made a part of this Registration Statement
on Form S-11. It should be noted that we have not audited any financial
statements of the Delaware Acquisition Property subsequent to December 31, 1995
or performed any audit procedures subsequent to the date of our report.


                                        ARTHUR ANDERSEN LLP


Philadelphia, Pa.,
   
 November 25, 1996
    
<PAGE>   6
                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

   
As independent public accountants, we hereby consent to the use of our report
dated October 31, 1996 on the statement of revenue and certain expenses of the
Equivest Acquisition Properties for the year ended December 31, 1995, and to
all references to our firm included in or made a part of this Registration
Statement on Form S-11. It should be noted that we have not audited any
financial statements of the Equivest Acquisition Properties subsequent to
December 31, 1995 or performed any audit procedures subsequent to the date of
our report. 
    

                                        ARTHUR ANDERSEN LLP


Philadelphia, Pa.,
   
 November 25, 1996
    
