
<TABLE> <S> <C>

<ARTICLE> 5
<CIK> 0000790816
<NAME> BRANDYWINE REALTY TRUST
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                          38,539
<SECURITIES>                                         0
<RECEIVABLES>                                    9,276
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                55,680
<PP&E>                                       1,788,185
<DEPRECIATION>                                  50,762
<TOTAL-ASSETS>                               1,828,901
<CURRENT-LIABILITIES>                           34,155
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     37,500
<COMMON>                                           376
<OTHER-SE>                                     714,985
<TOTAL-LIABILITY-AND-EQUITY>                 1,828,901
<SALES>                                              0
<TOTAL-REVENUES>                               123,488
<CGS>                                                0
<TOTAL-COSTS>                                   94,618
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              19,057
<INCOME-PRETAX>                                 26,781
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                  2,003
<CHANGES>                                            0
<NET-INCOME>                                    26,759
<EPS-PRIMARY>                                     0.75
<EPS-DILUTED>                                     0.75
        

</TABLE>
