Warehouse belonging to T.G.Williams & Co., builders merchants and ironmongers, on former West Canal Wharf (Glamorganshire Canal, nprn 34425); Williams wharf was the upper limit of navigation for sea-going vessels. The building is a twelve bay, rubble-built single storey structure under a pitched roof, with red brick arched openings, two with stone voussoirs, to the east wall facing the canal. There are substantial timber king post roof trusses supporting modern corrugated asbestos cladding.
Site visited B.A.Malaws, RCAHMW, August 1977.