Wyndcliffe Court, 0.5 miles (0.8 km) north of the village of St. Arvans, Monmouthshire, Wales, is a Grade II* listed country house and gardens in the Arts and Crafts style, completed in 1922.

In 1910, Charles Leigh Clay commissioned a house on the high ground to the north of St Arvans village, about 1 mile (1.6 km) west of the Wyndcliff landscape feature.

His son, Henry Anthony Patrick Clay ERD, who continued to live at Wyndcliffe Court until his death in 2006, also became High Sheriff of Monmouthshire in 1965.

[12] A paved terrace has steps down to a small pool and a summerhouse, linking the different levels on the steeply sloping site.

[11] The two sets of garages, with accompanying cottages,[15][16] and the garden terraces, the steps, the pool, pergola and summerhouse all have their own Grade II* listings.