| Grovely Wood, South Wiltshire | England: South-West | 107 | 390.7 | 27 | 1980 - 2004 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 200 | < 2000 |
| River Soar, Leicestershire (with Rutland) | England: Mid | 66 | 304.5 | 12 | < 1980 |
| Box Hill, Surrey | England: South | 225 | 552.0 | 67 | < 1997 |
| Stanford PTA, West Norfolk | England: South | 183 | 416.9 | 74 | 1980 - 2009 |
| Buxted Park, East Sussex | England: South | 134 | 400.7 | 43 | < 1999 |
| Erddig, Denbighshire | Wales | 67 | 297.0 | 14 | < 1999 |
| Brilley Green Dingle, Herefordshire | England: Mid | 61 | 283.6 | 9 | < 2014 |
| Bishopston Valley, Glamorganshire | Wales | 31 | 229.0 | 3 | 1994 - 2002 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Studley Royal, Mid-west Yorkshire | England: North | 100 | 342.0 | 33 | 1901 - 2016 |
| Berrington Hall, Herefordshire | England: Mid | 49 | 391.8 | 13 | 1984 - 2011 |
| Wyre Forest , Worcestershire | England: Mid | 126 | 415.9 | 39 | 1980 - 2017 |
| Attingham Park NT, Shropshire | England: Mid | 102 | 312.7 | 37 | 1985 - 2013 |
| Blickling Park (NT), East Norfolk | England: South | 117 | 376.9 | 43 | 1982 - 2019 |
| Tugford Wood Pasture, Shropshire | England: Mid | 65 | 376.9 | 26 | 2021 |
| Styal Woods and Country Park, Cheshire | England: Mid | 55 | 312.7 | 20 | 1985 - 2021 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 203 | 498.0 | 90 | 1986 - 2023 |
| Wicken Fen (NT), Cambridgeshire | England: South | 152 | 447.4 | 59 | 1980 - 2023 |
| Dinton Pastures Country Park, Berkshire | England: South | 145 | 503.4 | 52 | 1992 - 2024 |
Saproxylic Quality Index