| Blackmoor Copse, South Wiltshire | England: South-West | 59 | 325.4 | 15 | 1994 - 2005 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 415.9 | 48 | < 1973 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 200 | < 2000 |
| Langley Park, Buckinghamshire | England: South | 152 | 649.3 | 110 | 1979 - 2008 |
| Moccas Park, Herefordshire | England: Mid | 239 | 566.5 | 138 | < 1998 |
| Croome Park, Worcestershire | England: Mid | 110 | 560.0 | 62 | < 1999 |
| Chiddingfold Woods, Surrey | England: South | 164 | 371.3 | 37 | < 2003 |
| Blean Woods Complex, East Kent | England: South | 50 | 294.0 | 14 | < 1999 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Croome Estate, Worcestershire | England: Mid | 175 | 597.1 | 109 | 1995 - 2016 |
| Wyre Forest , Worcestershire | England: Mid | 126 | 415.9 | 39 | 1980 - 2017 |
| Woodwalton Fen NNR, Huntingdonshire | England: Mid | 57 | 315.8 | 16 | 1961 - 2019 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 530.8 | 92 | 1990 - 2022 |
Saproxylic Quality Index