| Longdon Marsh, Worcestershire | England: Mid | 57 | 556.1 | 39 | 2000 - 2002 |
| Site A, Evesham, Worcestershire | England: Mid | 73 | 472.6 | 41 | < 1996 |
| Langley Park, Buckinghamshire | England: South | 152 | 649.3 | 111 | 1979 - 2008 |
| Richmond Park (total), Surrey | England: South | 253 | 628.5 | 158 | 1950 - 2006 |
| Moccas Park, Herefordshire | England: Mid | 239 | 566.5 | 139 | < 1998 |
| Cowdray Park, West Sussex | England: South | 121 | 526.4 | 59 | 2011 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 129 | < 1979 |
| Arundel Park, West Sussex | England: South | 130 | 458.5 | 53 | < 1999 |
| Bookham Common (total), Surrey | England: South | 208 | 464.9 | 84 | < 2001 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 255 | < 1998 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 535.1 | 111 | 1980 - 2006 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 437.1 | 75 | 1992 - 2014 |
| Haughmond Hill, Shropshire | England: Mid | 55 | 265.5 | 12 | 2009 - 2017 |
| Hatfield Forest, North Essex | England: South | 245 | 568.6 | 139 | 1986 - 2018 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 555.6 | 111 | 1986 - 2020 |
| Tugford Wood Pasture, Shropshire | England: Mid | 65 | 376.9 | 26 | 2021 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 530.8 | 93 | 1990 - 2022 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 511.3 | 69 | < 2023 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 624.6 | 176 | < 2022 |
| Bredon Hill, Worcestershire | England: Mid | 218 | 613.8 | 141 | 1970 - 2021 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 203 | 498.0 | 91 | 1986 - 2023 |
| Burnham Beeches (s.s.), Buckinghamshire | England: South | 263 | 592.0 | 155 | < 2022 |
Saproxylic Quality Index