sentences:  When construction on the Sewall House was completed in 1800, the house was in the Adam Federal style of architecture.The Historic American Buildings Survey has concluded that the structure has been so modified over the years that it no longer belongs to a single architectural style but, rather, reflects as many as seven different genres.Other sources agree that the building no longer has a definable architectural style, but most feel it has retained enough features to still be characterized as Federal, while some feel it is more in the Georgian style.