Constructed as the home for the manager of an ironworks in the nearby Clydach Gorge, it remains a private residence and is a Grade II* listed building.

Clydach House was built in 1693 for Francis Lewis, manager of the Llanelly Furnace.

[1] Sir Bartle Frere, colonial administrator and son of the manager of the Clydach Ironworks, was born at the house in 1815.

[2] The architectural historian John Newman describes Clydach as a "symmetrical, double-pile house".

[3] The Glamorgan-Gwent Archaeological Trust describes it as a "gentry house", indicating its size and relative sophistication.