Concrete base of a large mid C20 building below Lluest Wen Reservoir (nprn 507506). Approximately 31m E-W by 8m, with some concrete walls at the W end. Debris includes brick, including slat-glazed brick, and fragments of asbestos-cement roof. Function of building unknown.
Recorded as part of Uplands Initiative Survey. R Hayman, H&H, 29/09/2009.