| Calke Abbey NT, Derbyshire | England: Mid | 165 | 422.4 | 74 | 1998 - 2004 |
| Buddon Wood (total), Leicestershire (with Rutland) | England: Mid | 124 | 397.6 | 36 | < 1988 |
| Swanton Novers, West Norfolk | England: South | 95 | 337.9 | 32 | 1981 - 2010 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 343.9 | 25 | < 1998 |
| Moccas Park, Herefordshire | England: Mid | 239 | 566.5 | 139 | < 1998 |
| Croome Park, Worcestershire | England: Mid | 110 | 560.0 | 62 | < 1999 |
| Coedydd Afon Gwynant, Merionethshire | Wales | 26 | 253.8 | 7 | 1998 |
| Coedydd Mawddach, Merionethshire | Wales | 36 | 258.3 | 10 | 1975 - 2015 |
| Buddon Wood (post 1980), Leicestershire (with Rutland) | England: Mid | 79 | 305.1 | 14 | 1980 - 1988 |
| Studley Royal, Mid-west Yorkshire | England: North | 100 | 342.0 | 33 | 1901 - 2016 |
| Croome Estate, Worcestershire | England: Mid | 175 | 597.1 | 110 | 1995 - 2016 |
| Brockhampton Estate (NT), Herefordshire | England: Mid | 62 | 488.7 | 29 | 1984 - 2016 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 382.2 | 46 | 1988 - 2018 |
| Blickling Park (NT), East Norfolk | England: South | 117 | 376.9 | 43 | 1982 - 2019 |
| Tatton Park (2021), Cheshire | England: Mid | 102 | 432.4 | 46 | 2021 |
| Tatton Park (2011-21), Cheshire | England: Mid | 122 | 427.0 | 54 | 2011 - 2021 |
| Wye Valley Woods SAC, Monmouthshire | Wales | 132 | 448.5 | 50 | 1994 - 2018 |
| Ickworth Park NT, West Suffolk | England: South | 176 | 497.7 | 74 | 1986 - 2022 |
| Clumber Park (NT), Nottinghamshire | England: Mid | 177 | 422.0 | 75 | 1990 - 2023 |
| 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 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 203 | 498.0 | 91 | 1986 - 2023 |
| Bredon Hill, Worcestershire | England: Mid | 230 | 597.0 | 145 | 1970 - 2025 |
Saproxylic Quality Index