The Treforest Tinplate Works were built in 1833 by William Crawshay II. The structures include stone buildings with arched dividing walls. The waterwheels were served by feeder from Afon Taf. There is an iron-framed blacksmiths shop and the former tinhouse was used for storing animal bones. The site was visited by B.A. Malaws of the Royal Commission in April 1981.
RCAHMW, 9 February 2009