| Site | Region | spp. | SQI | IEC | Survey Period |
|---|---|---|---|---|---|
| Cowdray Park, West Sussex | England: South | 121 | 526.4 | 58 | 2011 |
| Arundel Park, West Sussex | England: South | 130 | 458.5 | 53 | < 1999 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 600.4 | 158 | 1950 - 2021 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 511.3 | 69 | < 2023 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 203 | 498.0 | 90 | 1986 - 2023 |
Saproxylic Quality Index