| Grimsthorpe Park, South Lincolnshire | England: Mid | 147 | 461.9 | 77 | < 2014 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 141 | 1996 - 2013 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 200 | < 2000 |
| Richmond Park (total), Surrey | England: South | 253 | 628.5 | 157 | 1950 - 2006 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 128 | < 1979 |
| Ebernoe Common, West Sussex | England: South | 141 | 497.9 | 53 | < 2011 |
| Kennet Floodplain, Berkshire | England: South | 124 | 352.4 | 20 | 2003 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Arlington Court, North Devon | England: South-West | 28 | 357.1 | 8 | < 1999 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 535.1 | 110 | 1980 - 2006 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 500.5 | 85 | 1988 - 2020 |
| Combermere Park, Cheshire | England: Mid | 83 | 406.0 | 42 | 2022 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 530.8 | 92 | 1990 - 2022 |
| Ashtead Common NNR, Surrey | England: South | 282 | 633.7 | 161 | < 2023 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 624.6 | 175 | < 2022 |
| Burnham Beeches (s.s.), Buckinghamshire | England: South | 263 | 592.0 | 154 | < 2022 |
Saproxylic Quality Index