The following text is from the original listed building designation:
TR 06 SE HERNHILL STAPLE STREET (South side) 3/147
Mount Farm Oast GV II
Oast house, now commercial premises. Dated 1846. Red brick with some blue headers in. diaper pattern, with cemented details. Slate roof. Central range in Jacobethan style, with later attached wings. Two storeys on plinth with plat band, quoins and cornice to large shaped gable with obelisk finials. Large central entrance with climbing hop plants in relief on jambs, arch with raised voussoirs and keystone raised to cornice. C20 glazing and door. In the gable is set a clock with scrolled surround and segmental pediment, with the date 1846, and;. a dated achievement over that. Left and right returns also with shaped gables; now partly obscured by later C19 gabled wings; 2 storeys, with pierced barge boards and finials, with 2 segment headed wood casements and central glazed loft doorway, in left hand wing, and 2 moulded round- headed lights on each floor of right hand wing with central round headed left door. Both wings with blocked round headed doorways on ground floor.
Listing NGR: TR0612260030

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