The Gladstone and Hawarden were added to the National Register of Historic Places on September 7 , 1994 .
Named for Prime Minister William Ewart Gladstone and his estate Hawarden Castle , they are the first documented twin apartment buildings in Washington , D.C.
The Prime Minister and Hawarden were added to the National Register of Historic Places on September 7 , 1994 .
Named for Prime Minister William Ewart Gladstone and his estate Hawarden Castle , they are the first documented twin apartment buildings in Washington , D.C.