The following text is from the original listed building designation:
COURSEHORN LANE TQ 73 NE (West Side) 3/313 The Old Barn GV II
Barn and oasthouse. Barn probably early 18th century altered in early 19th century when the oasthouse was added. Timber-framed barn clad in weatherboarding except for gable end opposite oasthouse which is of brick with tile hanging to gable. Half-hipped pegtiled roof 2 storeys with central cart entrances and 3 later casements to southwest elevation. Internally the barn is of 5 bays with oak frame with staggered purlins, collar beam and no ridge piece. Some diagonal and curved tension braces. Jowled upright posts. Oasthouse added at end is conical of red brick with grey headers in Flemish bond with cogged eaves cornice and pyramidal roof with cowl and fantail.
Listing NGR: TQ7913235770

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