| Grimsthorpe Park, South Lincolnshire | England: Mid | 148 | 522.3 | 77 | < 2014 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 707.5 | 152 | 1996 - 2013 |
| New Forest, South Hampshire | England: South | 325 | 852.3 | 204 | < 2000 |
| Richmond Park (total), Surrey | England: South | 252 | 705.2 | 150 | 1950 - 2006 |
| Epping Forest, South Essex | England: South | 254 | 601.6 | 128 | < 1979 |
| Ebernoe Common, West Sussex | England: South | 141 | 513.5 | 56 | < 2011 |
| Kennet Floodplain, Berkshire | England: South | 124 | 350.8 | 22 | 2003 |
| Windsor Forest, Berkshire | England: South | 363 | 845.7 | 248 | < 1998 |
| Arlington Court, North Devon | England: South-West | 28 | 289.3 | 9 | < 1999 |
| Richmond Park (1980-2006), Surrey | England: South | 204 | 566.7 | 107 | 1980 - 2006 |
| Petworth Deer Park (NT), West Sussex | England: South | 194 | 561.9 | 86 | 1988 - 2020 |
| Combermere Park, Cheshire | England: Mid | 83 | 448.2 | 39 | 2022 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 157 | 608.9 | 96 | 1990 - 2022 |
| Ashtead Common <1998, Surrey | England: South | 219 | 578.5 | 86 | < 1998 |
| Ashtead Common NNR, Surrey | England: South | 281 | 676.5 | 150 | < 2023 |
| Burnham Beeches, Buckinghamshire | England: South | 262 | 645.4 | 153 | < 2022 |
| Burnham Beeches, Dorneywood NT and Huntswood Farm, Buckinghamshire | England: South | 283 | 689.8 | 178 | < 2022 |
Saproxylic Quality Index