The following text is from the original listed building designation:
TR 071 268 ST MARY IN THE MARSH ST MARY'S ROAD (west side)
7/109 Well Cottage
II
House, (said to have been a Poor House), formerly cottages, now house. Late C16 or early C17 with C19 additions. Painted brick with strip of tile hanging beneath eaves. Plain tile roof, formerly thatched. 1½ storeys. Hipped roof. Red and grey brick ridge stack towards left end and rear stack towards right end. 4 hipped dormers. Irregular ground floor fenestration of 6 leaded windows; three 2-light casements, 2 fixed lights and one rect- angular bay with hipped tiled roof. Ribbed door below and slightly to left of left stack, under open wood porch. C19 lean-to to right with leaded casement. C20 rear additions. Interior: 8 timber framed bays, including stack bay; that to right end possibly added, rest in 3 rooms of 2 bays with stack between left and central rooms. Lateral stack to right room with inglenook, possibly added in C18. Traces of small stack within right end room. Exposed beams. Roof has dropped tie-beam with queen-struts to collar. Central truss has curved passing braces between dropped tie-beam and queen-struts, trenched past the interrupted tie-beam.
Listing NGR: TR0707726833

English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.