The following text is from the original listed building designation:
TQ 86 SW DETLING LOWER COX STREET (west side)
2/129 Lower Cox Street Farmhouse
G.V. II
House. C15. Timber-framed, weatherboarded, with plain tile roof. At right angles to road. 2 storeys, formerly jettied to left end. Roof, probably not C15, of shallow pitch, hipped both ends. Shouldered stack off-centre at right end with flint panel to base. Irregular fenestration of 2 glazing bar sashes. Painted brick porch with gabled, plain tile roof beneath and slightly to right of stack, containing panelled door.
Listing NGR: TQ8114260982 (1)

Description from record TQ 86 SW 123:
A 15th century farmhouse. Timber framed, weatherboarded, with plain tile roof.Listed building : no additional information available

Historic England archive material: BF008561 LOWER COX STREET FARM, DETLING

<1> English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.