Fairwater is a community and suburb of Cwmbran in the county borough of Torfaen, in south east Wales, and was built by the Cwmbran Development Corporation between 1963 and 1966. Cwmbran was the only new town in Wales designated by the New Towns Act 1946. Cwmbran Development Corporation was formed in 1949 to develop the new town and buildin…Fairwater is a community and suburb of Cwmbran in the county borough of Torfaen, in south east Wales, and was built by the Cwmbran Development Corporation between 1963 and 1966. Cwmbran was the only new town in Wales designated by the New Towns Act 1946. Cwmbran Development Corporation was formed in 1949 to develop the new town and building of seven new residential areas began in 1951, later followed by Llanyrafon.