 The earliest parts of the structure are thought to be a window on the west side and the porch , dating back to the late 13th century . Pevsner considered the porch to be " astounding , but much too big for the present house " . Most of the main structure , consisting of two and a half storeys , and of rubble stone and stone @-@ tiled roofs , dates to c . 1659 when it was built for a Mr Forster , although some parts are earlier . Later additions date to post @-@ 1711 and improvements to c . 1911 . 
