 Its plan consists of a nave, north and south aisles, a sanctuary with side chapels (all of these in one vessel), and a north vestry and west porch.The gabled west end is divided into three parts by stepped buttresses, and there are similar buttresses at the corners.In the centre is a projecting porch, also gabled, containing an arched doorway with four orders of moulding, flanked by lancet windows.