Maesteg House
St Thomas, Wales
Maesteg House was a manor house built on the south slope of Kilvey Hill, Swansea and from c1840 was the home of the copper industrialist Grenfell family. The building is no longer there, as it was demolished shortly after the First World War to make way for new housing development.
Country house data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).