The following text is from the original listed building designation:
WEST MALLING
TQ6857 SWAN STREET 1156-0/3/138 No.41 01/08/52 Abbey Gate House (Formerly Listed as: SWAN STREET The Abbey House)
GV II
Office. Early C19, extended mid-C19. Front range is the earlier, of red brick with side elevation painted brick and stone coping. 2 storeys, 2 12-pane sashes. Right side early C19 doorcase with triglyph frieze, reeded pilasters and rectangular fanlight with 6-fielded panelled door. Attached spear railings with urn finials. Left side elevation has one 12-pane sash in moulded architrave. Cemented plinth. To right is mid-C19 extension of 2 parallel ranges, also painted brick with old tiled roof, 2:4:2 sashes and 1 storey mid-C19 range to rear. Interior has staircase hall with 2 columns with plumed capitals and staircase with stick balusters. The left front room is panelled with a wooden fireplace and the room behind has a china cupboard with serpentine shelves.
Listing NGR: TQ6814557821

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