The following text is from the original listed building designation:
1. 5280 PENSHURST POUNDSBRIDGE Cooper's Lane
Hamsell Farmhouse. Hamsell Cottage. TQ 54 SW 54/915
II
2. 1560 date in old ornamental plasterwork. 2-storey, 4-window house with 1-bay right extension. High pitched tiled roof now half hipped at left, with compound ridge stack. C19 tile hung 1st floor and red brick ground floor with diaper of blue headers. Some exposed framing. C19 and modern casements and plank doors. Rear view shows exposed square framing, with plaster filling at left, brick filling in projecting hipped wing at right. Other, later extensions. Inside inglenook and some exposed beams.
Listing NGR: TQ5349941513 (1)

Description from record TQ 54 SW 38 :
C16 two-storey, four-bay, central smoke-bay house. Probably C16, with C17 and C20 alterations

Historic England archive material:L BF036534 HAMSELL COTTAGES, COOPERS LANE, POUNDSBRIDGE, PENSHURST BF039707 Hamsell Farm, Coopers Lane, Penshurst

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