| Duncombe Park NNR, North-east Yorkshire | England: North | 93 | 409.7 | 42 | < 2000 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 142 | 1996 - 2013 |
| Lullingstone Park, West Kent | England: South | 105 | 473.3 | 43 | < 1977 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 201 | < 2000 |
| Savernake Forest, South Wiltshire | England: South-West | 111 | 436.9 | 50 | < 2004 |
| Richmond Park (total), Surrey | England: South | 253 | 628.5 | 158 | 1950 - 2006 |
| Moccas Park, Herefordshire | England: Mid | 239 | 566.5 | 139 | < 1998 |
| Shrubland Estate, East Suffolk | England: South | 91 | 498.9 | 38 | 1975 - 2005 |
| Glasbury, River Wye, Radnorshire | Wales | 25 | 336.0 | 8 | < 1999 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 255 | < 1998 |
| Shotover Hill, Oxfordshire | England: South | 155 | 441.3 | 72 | 1999 - 2017 |
| Flatford Mill and Dedham Vale (NT), East Suffolk | England: South | 74 | 437.8 | 19 | 1995 - 2020 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 600.4 | 159 | 1950 - 2021 |
| Thorndon Park SSSI, South Essex | England: South | 66 | 553.0 | 48 | 2023 |
| Ashtead Common NNR, Surrey | England: South | 282 | 633.7 | 162 | < 2023 |
Saproxylic Quality Index