Loudoun Mansion

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Loudoun Mansion
Loudoun-Mansion-HABS PA,51-GERM,3-1.jpg
Loudoun Mansion is located in Pennsylvania
Loudoun Mansion
Location 4650 Germantown Ave.
Philadelphia, Pennsylvania
Coordinates 40°1′34″N 75°9′36″W / 40.02611°N 75.16000°W / 40.02611; -75.16000Coordinates: 40°1′34″N 75°9′36″W / 40.02611°N 75.16000°W / 40.02611; -75.16000
Built 1801
Architectural style Federal, Greek Revival
Governing body City of Philadelphia

Loudoun Mansion is a historic house located in the Germantown neighborhood of Philadelphia, Pennsylvania.

An example of Federal-style and Greek-revival architecture,[1] the main structure was built by Thomas Armat in 1801 and expanded in 1810. The Greek portico was built in 1830.[2] The house stands on one of the highest hills overlooking Philadelphia and the Delaware River from Germantown. During and after the Battle of Germantown many wounded soldiers were carried to the top of the hill where Loudoun now stands.[2]

The house was donated to the City of Philadelphia in 1939.[1] The house is a contributing property of the Colonial Germantown Historic District.

View from the south


  • Jenkins, Charles Francis. The Guide Book to Historic Germantown, Prepared for the Site & Relic Society. 1926.
  • Marion, John Francis. Bicentenial City: Walking Tours of Historic Philadelphia. Princeton: The Pyne Press, 1974.


  1. ^ a b "Loudoun Mansion", Fairmount Park. Philadelphia Park System.
  2. ^ a b Historic Germantown, accessed August 28, 2012.