The following text is from the original listed building designation:
TR 34 SE ST MARGARETS AT CLIFFE UPPER ROAD (east side) 6/77 Wanstone Farmhouse
II
House. C15, rebuilt late C17 and extended mid C20. Red brick and flint with plain tiled roof. Two storeys and basement with plat band and corbelled eaves cornice. Lower sections of walls largely of flint with some flint bands, the whole rebuilt with red brick in patches. Stacks to centre left and projecting and offset at end right. Irregular fenestration of wooden casements on each floor, and damaged panelled door to centre right. Interior: much refitting C20,and C17; evidence remains of timber framed house with through passage on present entry line, the partition walls containing 1 four centred arched doorway, and slots for lost door frames on service side. Large, braced vertical timbers also survive in partitions, and in part in wall structure. Fine moulded ceiling joists; inglenook fireplaces. Roof structure renewed. The house is an ancient manorial site, abandoned and ruinous since army occupation W.W.II.
Listing NGR: TR3553444945

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