The scale of the building is nine rooms and four sides (main housing has five rooms in the core north to south, two east to west, and hisashi (aisle room) on all sides and magohisashi (a narrow additional aisle room) on the east).
建物の規模は九間四面（母屋（もや）が南北五間・東西二間で四方に廂、東に孫廂がある）。