The following text is from the original listed building designation:

TR 14 SE LYMINGE WELL ROAD (east side) 4/165 30.7.1975 St Ethelburga's Well and Wall to north and south
II
Well-house and shelter. 1898, with possibly slightly earlier base, built over a spring said to have supplied Lyminge with water from Roman times until 1905. Rectangular two-storey structure, its west side built against an almost vertical slope. Red brick, slightly more textured to lower half. Round-headed archway with impost-level plat band, giving access to spring at base of well-house on north side. Timber-framed shelter with gabled plain tile roof, at road level, housing an iron pump, installed to raise water from spring to road. Wrought iron gate to road. Tie-beam dated 1898. Ragstone retaining wall, rising about one metre above road level, extending north for about 39 metres and south for about 26 metres.
Listing NGR: TR1619240854

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