BRIDOL is the British Sundial Society's Register of Fixed and Mass Dials, which gives detail and photographs of about 8000 fixed sundials and 3000 mass dials in the UK.
Some of these are in private gardens, but the majority are publicly available.
The dial is in the sunken garden. It is a replica made and installed 1999. See SRN 4477. Shows 3am to 9pm in 30, 15, 10, and 2 min marks. Uses XII and III. Numerals viewed from outside the chapter ring. Inward and outward half hour lines with gap one third out chapter width. Lozenge ended on inward marks. 8 point star with intermediate single lines making a 16 point compass. All 16 pts lettered. Circle inside the chapter ring of scrolled design. On simple elegant stone baluster pedestal with square plinth and capital. This dial might have been from Orkney or Stockholm since the design latitude is 59 degs 12 min.