The following text is from the original listed building designation:
HARRIETSHAM FAIRBOURNE LANE TQ 85 SE (east side)
4/39 Oast circa 6 1/2 yards north east of Fairbourne Mill GV II
Oast.C18 with C19 alterations. Timber framed, weatherboarded, on red brick plinth. Plain tile roof. L-plan with kiln area extending forward to right. Both sections half-hipped. Double doors of single-storey height to left end of stowage and to gable end of kiln section. Small boarded door above tie-beam of kiln section. Interior: Exposed timbers. Remains of plaster work to walls and rafters of first floor of kiln area. Double doors between kiln and stowage on first floor. No clear bay divisions in kiln area, and floor there missing. Roof probably altered in C19, with ridge-piece. 2 pairs of principal rafers trenched for large pegged collars just above wall-plate.Side purlins. Included for group value.
Listing NGR: TQ8606352297

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