The following text is from the original listed building designation:
1. 5280 PENSHURST PENSHURST ROAD (South Side)
Swaylands School TQ 54 SW 54/852
II
2. Mid-late C19 alterations and extensions by George Devey to an earlier C19 house. Very long building. Main south front of 3 storeys. Projecting 3-bay centre flanked by 3-bay side sections. At south end 2 further set back bays and returned wing with higher back parts including octagonal battlemented tower, and 2-storey battlemented front. Whole house in Tudor style with many gables. Red brick with large diaper of blue headers, and stone dressings. Windows with stone mullions and transoms. Tall slated roofs have high, grouped Tudor chimneys. Northern part, added by Macartney in 1890, is stuccoed. Just south of this is entrance under large Tudor arch with hoodmould. Long neo-classical extension at far north end. Entrance front a shallow U-shape. Battlemented right part has 2 square towers with octagonal turrets. Left parts gabled, as on other front. Parapets to projecting side wings. Entrances under 4-centred arches with varied enrichment.
Listing NGR: TQ5237045153

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