The following text is from the original listed building designation:
NORTHBOURNE THE STREET TR. 35 SW Finglesham
4/46 Westhill House
GV II
House. Early C19. White brick front elevation with red brick side elevations with slate roof. Two storeys and basement on red brick plinth with string course and cornice to parapet with ball finials and stacks to left and to right. Regular fenestration of 3 glazing bar sashes on first floor and 2 on ground floor with gauged basket arched heads. Central door of 6 raised and fielded panels in double rebated doorway with fine traceried fanlight. Flight of 6 moulded steps with simple iron rails.
Listing NGR: TR3344754059

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