| Buddon Wood (total), Leicestershire (with Rutland) | England: Mid | 124 | 397.6 | 36 | < 1988 |
| Glen Affric, East Inverness-shire | Scotland | 66 | 478.8 | 11 | < 2014 |
| Duncombe Park NNR, North-east Yorkshire | England: North | 93 | 409.7 | 42 | < 2000 |
| Powis Castle Park (total), Montgomeryshire | Wales | 170 | 380.0 | 71 | 1994 - 2003 |
| Great Ridge, South Wiltshire | England: South-West | 46 | 423.9 | 12 | 1980 - 2004 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 343.9 | 25 | < 1998 |
| Longleat, South Wiltshire | England: South-West | 46 | 295.7 | 11 | 1994 - 2004 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 201 | < 2000 |
| Sandall Beat, South-west Yorkshire | England: North | 64 | 271.9 | 5 | < 2000 |
| Ulverscroft, Leicestershire (with Rutland) | England: Mid | 47 | 206.4 | 10 | < 1998 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 678.2 | 18 | < 1994 |
| Arundel Park, West Sussex | England: South | 130 | 458.5 | 53 | < 1999 |
| Esher Commons (total), Surrey | England: South | 234 | 493.2 | 85 | < 2002 |
| Dunham Park (total), Cheshire | England: Mid | 151 | 464.2 | 60 | < 1977 |
| Bentley Park Wood, Warwickshire | England: Mid | 62 | 277.4 | 12 | < 2000 |
| Newborough Forest, Anglesey | Wales | 21 | 209.5 | 0 | < 2010 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 255 | < 1998 |
| Forest of Bere, South Hampshire | England: South | 108 | 468.5 | 42 | < 1975 |
| 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 |
| Sutton Park (1996-2019), Warwickshire | England: Mid | 57 | 296.5 | 14 | 1996 - 2019 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 382.2 | 46 | 1988 - 2018 |
| Attingham Park NT, Shropshire | England: Mid | 102 | 312.7 | 37 | 1985 - 2013 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 404.6 | 80 | 1993 - 2018 |
| Holmwood, Surrey | England: South | 47 | 297.9 | 7 | 2015 - 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 |
| 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 |
| Rydal Park & Nab Scar, Westmorland (with Furness) | England: North | 48 | 233.3 | 15 | 2023 |
| Rydal Park & Nab Scar, Westmorland (with Furness) | England: North | 56 | 242.9 | 18 | 2023 - 2024 |
Saproxylic Quality Index