| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 142 | 1996 - 2013 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 201 | < 2000 |
| Silwood Park, Berkshire | England: South | 159 | 613.2 | 86 | 1998 - 1999 |
| Langley Park, Buckinghamshire | England: South | 152 | 649.3 | 111 | 1979 - 2008 |
| Arundel Park, West Sussex | England: South | 130 | 458.5 | 53 | < 1999 |
| Ebernoe Common, West Sussex | England: South | 141 | 497.9 | 53 | < 2011 |
| Ashtead Common (Underground), Surrey | England: South | 28 | 660.7 | 18 | < 2014 |
| Cobham Woods NT, West Kent | England: South | 70 | 368.6 | 30 | 2014 |
| Hatfield Forest, North Essex | England: South | 245 | 568.6 | 139 | 1986 - 2018 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 500.5 | 85 | 1988 - 2020 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 511.3 | 69 | < 2023 |
| Ashtead Common NNR, Surrey | England: South | 282 | 633.7 | 162 | < 2023 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 624.6 | 176 | < 2022 |
| Burnham Beeches (s.s.), Buckinghamshire | England: South | 263 | 592.0 | 155 | < 2022 |
Saproxylic Quality Index