
1) Country house in West Sussex 2) Museum in West Sussex
Found on
https://www.crosswordclues.com/clue/uppark

Uppark is a 17th-century house in South Harting, Petersfield, West Sussex, England and a National Trust property. The house, set high on the South Downs, was built for Ford Grey (1655—1701), the first Earl of Tankerville, c. 1690 and was sold in 1747 to Sir Matthew Fetherstonhaugh and his wife Sarah. Matthew and Sarah redecorated the house exten...
Found on
http://en.wikipedia.org/wiki/Uppark

Late 17th-century house in West Sussex, England, 8 km/5 mi south of Petersfield. Uppark was given to the National Trust in 1954 and retains much of the original decorations and furnishings,...
Found on
http://www.encyclo.co.uk/local/20688
No exact match found.