The following text is from the original listed building designation:
1. 5273 LOWER HARDRES CATT'S WOOD ROAD
Young's Farmhouse TR 15 SW 12/509
II GV
2. Probable late Mediaeval hall-house. L-shaped. Refaced in C18 with painted brick on the ground floor and tile hung above. Two storeys and attics. Steeply-pitched hipped tiled roof. Two windows and one dormer facing west, 2 windows facing north. Horizontally-sliding sash windows on first floor. Ordinary sash windows below with vertical glazing bars only intact. Simple doorcase.
Listing NGR: TR1478451997 (1)

Description from record TR 15 SW 69:
Listed building : no additional information available

Probably a medieval open hall house with much of the framework now masked by plaster. Possibly rebuilt as a two storey range and a two storey cross wing to the west which is likely to have been erected during the second half of the 15th century. (2)

Historic Enlgand archive material: BF040384 YOUNG'S FARM, CATTS WOOD ROAD, LOWER HARDRES RCH01/048/01/434 Labelled sheet of drawings of Young's Farmhouse, Lower Hardres, with two ground-floor plans showing the building as surveyed, and a suggested reconstruction

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

<2> Pearson, S., Barnwell, P. S. & Adams, A. T., 1994, A Gazetteer of Medieval Houses in Kent (Monograph). SKE8010.