| Buddon Wood (total), Leicestershire (with Rutland) | England: Mid | 124 | 397.6 | 36 | < 1988 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 141 | 1996 - 2013 |
| Lullingstone Park, West Kent | England: South | 105 | 473.3 | 42 | < 1977 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 200 | < 2000 |
| Silwood Park, Berkshire | England: South | 159 | 613.2 | 86 | 1998 - 1999 |
| Staverton Park, East Suffolk | England: South | 106 | 412.3 | 48 | < 1986 |
| Croome Park, Worcestershire | England: Mid | 110 | 560.0 | 62 | < 1999 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 128 | < 1979 |
| Dunham Park (total), Cheshire | England: Mid | 151 | 464.2 | 60 | < 1977 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Croome Estate, Worcestershire | England: Mid | 175 | 597.1 | 109 | 1995 - 2016 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 600.4 | 158 | 1950 - 2021 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 624.6 | 175 | < 2022 |
| Bredon Hill, Worcestershire | England: Mid | 218 | 613.8 | 140 | 1970 - 2021 |
| Burnham Beeches (s.s.), Buckinghamshire | England: South | 263 | 592.0 | 154 | < 2022 |
Saproxylic Quality Index