WEST MALLING TQ6757 ST LEONARDS STREET 1156-0/2/128 St Leonard's Tower GV I Former castle, Built by Gundulf Bishop of Rochester 1077-1108 as his fortified residence or castle. It is one of the best examples extant of an Early Norman Keep. Built of stone with tufa dressings, 32ft square at the base, 60ft high on its north and east faces and 70 ft on the 2 other faces, the difference due to the inclined surface of the rocky shelf on which it is built. Corner buttresses. 3 stages. The 1st stage has traces of herringbone-work. Central buttress to left side elevation. 2nd stage has 5 round-headed arches on the east side, only the central one open, the rest blank. 2nd stage has 2 round-headed arches to east side and one to south side. West side has round-headed entrance to ground floor, round-headed arch to first and second floors and loop lights to buttresses. North side has 1 round-headed window. Internal evidence to suggest there were upper and lower floors, the lower only about 5ft above ground level. (Buildings of England: Newman J: West Kent and the Weald: 580). Listing NGR: TQ6758657082