Rhondda Cynon Taf is a county borough in South Wales. It is located to the north-west of Cardiff and covers an area of 424 km2 (164 sq mi). In 2020 the population was approximately 241,900. In the United Kingdom, the term listed building refers to a building or other structure officially designated as being of special architectural, historical, or cultural significance. Listing was begun by a provision in the Town and Country Planning Act 1947. Once a building is listed, strict limitations are imposed on the modifications allowed to its structure or fittings and alterations require listed building consent. In Wales, authority for listing or delisting, under the Planning (Listed Buildings and Conservation Areas) Act 1990, rests with the Welsh Ministers, though these decisions are based on t