
1) Country house in Devon 2) Grade II listed ruin
Found on
https://www.crosswordclues.com/clue/stevenstone

Stevenstone is a former manor within the parish of St Giles in the Wood, near Great Torrington, North Devon. It was the chief seat of the Rolle family, one of the most influential and wealthy of Devon families, from c. 1524 until 1907. The Rolle estates as disclosed by the Return of Owners of Land, 1873 (corrected by Bateman, 1883) comprised 55,59...
Found on
http://en.wikipedia.org/wiki/Stevenstone

HMS Stevenstone was a British No 3 Type Hunt Class destroyer of 1050 tons displacement launched in 1942. HMS Stevenstone was powered by two Admiralty 3-drum type boilers providing a top speed of 27 knots and carried a complement of 168. She was armed with six 4 inch anti-aircraft guns; one 2 pdr gun; two 20 mm anti-aircraft guns and two 21 inch tor...
Found on
http://www.probertencyclopaedia.com/browse/RSA.HTM
No exact match found.