| Wicken Fen, Cambridgeshire | England: South | 131 | 437.4 | 42 | 1978 - 2013 |
| New Forest, South Hampshire | England: South | 324 | 782.7 | 200 | < 2000 |
| The Oaks, Kingston Lacy, Dorset | England: South-West | 72 | 262.5 | 12 | 2000 - 2001 |
| River Soar, Leicestershire (with Rutland) | England: Mid | 66 | 295.5 | 12 | < 1980 |
| Silwood Park, Berkshire | England: South | 159 | 605.0 | 86 | 1998 - 1999 |
| River Stour Floodplain, Dorset | England: South-West | 49 | 249.0 | 7 | 2002 |
| Moccas Park, Herefordshire | England: Mid | 239 | 576.6 | 138 | < 1998 |
| Dunham Park (total), Cheshire | England: Mid | 151 | 468.9 | 60 | < 1977 |
| Cambourne Woods, Cambridgeshire | England: South | 39 | 392.3 | 10 | < 1998 |
| Buxted Park, East Sussex | England: South | 134 | 394.0 | 43 | < 1999 |
| Chiddingfold Woods, Surrey | England: South | 164 | 371.3 | 37 | < 2003 |
| St Fagans, Glamorganshire | Wales | 58 | 356.9 | 15 | 1997 - 1999 |
| Llanover Park, Monmouthshire | Wales | 118 | 330.5 | 37 | < 1996 |
| Hayling Way, River Cam, Cambridgeshire | England: South | 36 | 422.2 | 12 | < 1997 |
| Badger Wood, Cambridgeshire | England: South | 29 | 344.8 | 7 | < 1998 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 186 | 525.8 | 81 | 1976 - 2019 |
| Flatford Mill and Dedham Vale (NT), East Suffolk | England: South | 74 | 439.2 | 19 | 1995 - 2020 |
| East Chatteris, Cambridgeshire | England: South | 63 | 319.0 | 16 | 2015 |
| Ickworth Park NT, West Suffolk | England: South | 176 | 506.8 | 74 | 1986 - 2022 |
| Abney Park Cemetery, Middlesex | England: South | 86 | 509.3 | 28 | 2006 - 2024 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 640.1 | 175 | < 2022 |
| Bredon Hill, Worcestershire | England: Mid | 218 | 633.9 | 140 | 1970 - 2021 |
Saproxylic Quality Index