The following text is from the original listed building designation:
SEVENOAKS
661/0/10021 BAYHAM ROAD
12-NOV-01 54 AND 55
GV II
Pair of large semi-detached houses. Designed by J Leonard Williams in Domestic Revival style. Roughcast with timberframing to first floor and end gables. Tiled roof with 6 roughcast chimneystacks with brick tops. Two storeys: 6,4 windows. Leaded light casements.
EXTERIOR:Centre has three-light casements to first floor and multi-light casements incorporating French windows to ground floor. Ends have projecting gables with carved bargeboards, two three-light oriels to first floor and multi-light casements to ground floor. Doorcases in side elevations with flat hoods and hipped tiled hoods. Projecting gabled wings to rear.
INTERIOR: No 55 has front room with panelled overmantel, bolection-moulded fireplace and tiled surround. Rear room has moulded cornice to fireplace and tiled surround and central room has similar tiled fireplace. Staircase/hall has painted wooden dogleg staircase with square balusters and square newel posts, fireplace and several plank doors. Interior of no 54 not inspected but likely to be similar.

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