 This property was listed on the National Register of Historic Places on August 29, 2008.During the late 1930s-early 1940s, Leander McCormick-Goodhart, son of Frederick and Nettie, served as personal assistant to Ambassador Lord Lothian and supervisor of American Relief to Great Britain through the British embassy.As a result, the Langley Park estate became a regular site of social activities related to the British embassy including hosting the regular games of the Washington Cricket Club and, in June 1941, a British Relief Country Fair.