The following text is from the original listed building designation:
HAWKHURST HIGH STREET TQ 7430-7530 (north side)
Highgate 16/337 Nos 1 to 3 Northgrove Terrace, with railed basement areas GV II Terrace row. Early C19. Red brick and slate roof. Two storeys and basement, with hipped roof and stacks to left and to right. Four glazing bar sashes on each of the 3 floors with doors of 6 panels to right, to centre, to left, and recessed panelled door to left return in 2-storey flat roofed extension, each at head of flight of 6 steps, with side rails and railings to roadside, all with fleur-de-lys heads, and set to left and to right in brick piers, with ramped brick side walls returned to main building.
Listing NGR: TQ7593430613

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