| Grimsthorpe Park, South Lincolnshire | England: Mid | 147 | 461.9 | 78 | < 2014 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 142 | 1996 - 2013 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 201 | < 2000 |
| Langley Park, Buckinghamshire | England: South | 152 | 649.3 | 111 | 1979 - 2008 |
| Richmond Park (total), Surrey | England: South | 253 | 628.5 | 158 | 1950 - 2006 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 255 | < 1998 |
| Perivale Wood, Middlesex | England: South | 53 | 475.5 | 18 | 2013 - 2016 |
| Hatfield Forest, North Essex | England: South | 245 | 568.6 | 139 | 1986 - 2018 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 382.2 | 46 | 1988 - 2018 |
| Dunham Massey Park (2021), Cheshire | England: Mid | 89 | 377.5 | 45 | 2021 |
| Ashtead Common NNR, Surrey | England: South | 282 | 633.7 | 162 | < 2023 |
| Abney Park Cemetery, Middlesex | England: South | 86 | 489.5 | 29 | 2006 - 2024 |
| Turnworth Common, Dorset | England: South-West | 120 | 475.0 | 63 | 2018 - 2023 |
| Little Doward Woods, Herefordshire | England: Mid | 200 | 554.5 | 96 | 2024 |
Saproxylic Quality Index