| Calke Abbey NT, Derbyshire | England: Mid | 165 | 422.4 | 74 | 1998 - 2004 |
| Cobham & Ashenbank Woods, West Kent | England: South | 105 | 369.5 | 33 | < 1998 |
| Ashenbank Wood, West Kent | England: South | 57 | 310.5 | 12 | < 2014 |
| Lullingstone Park, West Kent | England: South | 105 | 473.3 | 43 | < 1977 |
| Scadbury Park, West Kent | England: South | 71 | 321.1 | 17 | < 1998 |
| Silwood Park, Berkshire | England: South | 159 | 613.2 | 86 | 1998 - 1999 |
| Site A, Evesham, Worcestershire | England: Mid | 73 | 472.6 | 41 | < 1996 |
| Langley Park, Buckinghamshire | England: South | 152 | 649.3 | 111 | 1979 - 2008 |
| Richmond Park (total), Surrey | England: South | 253 | 628.5 | 158 | 1950 - 2006 |
| Cowdray Park, West Sussex | England: South | 121 | 526.4 | 59 | 2011 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 129 | < 1979 |
| Esher Commons (total), Surrey | England: South | 234 | 493.2 | 85 | < 2002 |
| Hatchlands Park, Surrey | England: South | 164 | 401.2 | 64 | < 2002 |
| Llanover Park, Monmouthshire | Wales | 118 | 342.4 | 37 | < 1996 |
| Piercefield Park, Monmouthshire | Wales | 43 | 288.4 | 12 | < 1999 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 255 | < 1998 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 366.3 | 47 | 1980 - 2002 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 437.1 | 75 | 1992 - 2014 |
| Dartington Hall Estate, South Devon | England: South-West | 89 | 377.5 | 14 | 2010 - 2017 |
| Hatfield Forest, North Essex | England: South | 245 | 568.6 | 139 | 1986 - 2018 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 555.6 | 111 | 1986 - 2020 |
| Millichope Park, Shropshire | England: Mid | 103 | 413.6 | 52 | 2020 - 2021 |
| Bainton Heath, Northamptonshire | England: Mid | 64 | 387.5 | 17 | 2011 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 404.6 | 80 | 1993 - 2018 |
| Wye Valley Woods SAC, Monmouthshire | Wales | 132 | 448.5 | 50 | 1994 - 2018 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 600.4 | 159 | 1950 - 2021 |
| 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 |
| Abney Park Cemetery, Middlesex | England: South | 86 | 489.5 | 29 | 2006 - 2024 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 624.6 | 176 | < 2022 |
| Barnes Common, Surrey | England: South | 81 | 550.6 | 40 | 2020 - 2024 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 203 | 498.0 | 91 | 1986 - 2023 |
| Wicken Fen (NT), Cambridgeshire | England: South | 152 | 447.4 | 59 | 1980 - 2023 |
| Turnworth Common, Dorset | England: South-West | 120 | 475.0 | 63 | 2018 - 2023 |
| Dinton Pastures Country Park, Berkshire | England: South | 145 | 503.4 | 52 | 1992 - 2024 |
| Burnham Beeches (s.s.), Buckinghamshire | England: South | 263 | 592.0 | 155 | < 2022 |
| Little Doward Woods, Herefordshire | England: Mid | 200 | 554.5 | 96 | 2024 |
| Bredon Hill, Worcestershire | England: Mid | 230 | 597.0 | 145 | 1970 - 2025 |
Saproxylic Quality Index