A house of some sort stood on the site in the early 12th century and this was largely rebuilt by Edward Kemeys, High Sheriff of Glamorgan, in the Tudor style in the late 16th century.

[2] It was described by the Cardiff Times in 1893 as one of the finest and most historic country seats in Wales".

[3] It was inherited by Sir Charles Kemeys Tynte in the mid 18th century and then acquired by Courtenay Morgan, 1st Viscount Tredegar in 1920.

[1] Courtenay Morgan made the building available to the local health board at a subsidised rate and it opened as a tuberculosis sanatorium with 112 patients in 1924.

[2] It joined the National Health Service in 1948 and, subsequently, became a geriatric hospital, before closing in the early 1980s.