| Croome Park, Worcestershire | England: Mid | 110 | 564.5 | 62 | < 1999 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 435.3 | 74 | 1992 - 2014 |
| Croome Estate, Worcestershire | England: Mid | 175 | 616.6 | 109 | 1995 - 2016 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 620.3 | 158 | 1950 - 2021 |
| Burnham Beeches, Buckinghamshire | England: South | 263 | 599.6 | 154 | < 2022 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 640.1 | 175 | < 2022 |
| Bredon Hill, Worcestershire | England: Mid | 218 | 633.9 | 140 | 1970 - 2021 |
Saproxylic Quality Index