EXHIBIT 23.3

We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated September 5, 2003 related to the consolidated financial
statements of Gen-Net Lease Income Trust, Inc., our report dated September 22,
2003 related to Statement of Revenue and Certain Expenses of the Harahan Fed-Ex
Property, our report dated September 24, 2003 related to Statement of Revenue
and Certain Expenses of the United States Border Patrol Station - Harlingen,
Texas and our report dated September 24, 2003 related to Statement of Revenue
and Certain Expenses of the United States Immigration and Naturalization
Services District Office - Harlingen, Texas our report dated December 11, 2003
related to Statement of Revenue and Certain Expenses of the United States Bureau
of Public Debt Back-Up Facility - Mineral Wells, West Virginia and our report
dated December 23, 2003 related to Statements of Revenue and Certain Expenses of
the United States Federal Bureau of Investigation Branch Office - Pittsburgh,
Pennsylvania, in Amendment No. 6 to the Registration Statement (Form S-11 No.
333-109565) and related Prospectus of Government Properties Trust, Inc. for the
registration of 16,100,000 shares of its common stock.


                                                     ERNST & YOUNG LLP

January 21, 2004
Chicago, Illinois