| Danbury Common & Danbury Park, South Essex | England: South | 109 | 417.4 | 34 | 1976 - 2009 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 629.0 | 141 | 1996 - 2013 |
| Lullingstone Park, West Kent | England: South | 105 | 464.8 | 42 | < 1977 |
| New Forest, South Hampshire | England: South | 324 | 782.7 | 200 | < 2000 |
| Oyster Wood, Surrey | England: South | 117 | 395.7 | 24 | < 1993 |
| Rotherfield Park, North Hampshire | England: South | 121 | 315.7 | 27 | 2002 |
| Silwood Park, Berkshire | England: South | 159 | 605.0 | 86 | 1998 - 1999 |
| Richmond Park (total), Surrey | England: South | 253 | 644.3 | 157 | 1950 - 2006 |
| Cowdray Park, West Sussex | England: South | 121 | 543.0 | 58 | 2011 |
| Epping Forest, South Essex | England: South | 252 | 560.3 | 128 | < 1979 |
| Shrubland Estate, East Suffolk | England: South | 91 | 512.1 | 38 | 1975 - 2005 |
| Arundel Park, West Sussex | England: South | 130 | 475.4 | 53 | < 1999 |
| Box Hill, Surrey | England: South | 225 | 550.7 | 67 | < 1997 |
| Ebernoe Common, West Sussex | England: South | 141 | 507.1 | 53 | < 2011 |
| Hatchlands Park, Surrey | England: South | 164 | 407.3 | 64 | < 2002 |
| The Mens, West Sussex | England: South | 139 | 441.0 | 56 | < 2010 |
| Hainault Forest, South Essex | England: South | 94 | 403.2 | 41 | 1970 - 2007 |
| Highgate Wood, Middlesex | England: South | 107 | 404.7 | 36 | < 2002 |
| Bramshott Chase, Surrey | England: South | 138 | 329.0 | 34 | 1998 - 2003 |
| Eridge Park, East Sussex | England: South | 80 | 308.8 | 17 | < 1999 |
| The Devenish, South Wiltshire | England: South-West | 74 | 309.5 | 15 | 1994 - 2004 |
| Erddig, Denbighshire | Wales | 67 | 283.6 | 14 | < 1999 |
| Arundel Park (post 1987), West Sussex | England: South | 39 | 374.4 | 13 | 1988 - 1999 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Crowcombe Park, South Somerset | England: South-West | 51 | 264.7 | 11 | 1995 - 2010 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 539.0 | 110 | 1980 - 2006 |
| Studley Royal, Mid-west Yorkshire | England: North | 100 | 328.0 | 33 | 1901 - 2016 |
| Hatfield Forest, North Essex | England: South | 245 | 591.4 | 138 | 1986 - 2018 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 543.6 | 110 | 1986 - 2020 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 515.9 | 85 | 1988 - 2020 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 551.3 | 92 | 1990 - 2022 |
| Clumber Park (NT), Nottinghamshire | England: Mid | 177 | 422.0 | 75 | 1990 - 2023 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 620.3 | 158 | 1950 - 2021 |
| Clumber Park 2023, Nottinghamshire | England: Mid | 124 | 462.1 | 66 | 2023 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 526.8 | 69 | < 2023 |
| Ashtead Common NNR, Surrey | England: South | 282 | 635.1 | 161 | < 2023 |
| Burnham Beeches, Buckinghamshire | England: South | 263 | 599.6 | 154 | < 2022 |
| 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 |
| Turnworth Common, Dorset | England: South-West | 120 | 479.2 | 62 | 2018 - 2023 |
Saproxylic Quality Index