The following text is from the original listed building designation:
HAWKHURST WATER LANE TQ 7630-7730 (west side)
17/475 Gun Green Farmhouse 20.6.67 II House. C16 or earlier, altered mid C16 and clad C18. Timber framed and weather boarded with plain tiled roof. Probable hall house with cross-wing. Two storeys and attic with hipped roof and half hipped cross-wing to left, the rear slope of the wing hipped with gablet. Stack to centre. Cross-wing with small leaded 2 light gable window, and 3 light casement on each floor below with 2 light sidelights on 1st floor. Main range with 2 and 3 light casements on 1st floor and 3 light to right on ground floor. Door of 6 panels to centre with flat hood on brackets and glazed C20 outer door. Left return with casements and glazed door with flat hood. Mid C20 flat roofed extension to rear. Interior: front range with rebuilt staggered purlin roof reusing C16 timbers (window mullion mortices in purlins/floor joists used as rafters etc). Cross-wing with queen-post roof and large panel frame with mid rails. Full frame visible with large gunstock posts, the cross-wing interupting the frame of the front range, and with stop chamfered beams and large brick fireplaces. Documentary evidence traces building activity to c.1540.
Listing NGR: TQ7750030802

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