| Duncombe Park NNR, North-east Yorkshire | England: North | 93 | 394.6 | 42 | < 2000 |
| Powis Castle Park (total), Montgomeryshire | Wales | 170 | 372.9 | 70 | 1994 - 2003 |
| Moccas Park, Herefordshire | England: Mid | 239 | 576.6 | 138 | < 1998 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 663.4 | 18 | < 1994 |
| Dinefwr Deer Park, Carmarthenshire | Wales | 156 | 362.8 | 57 | < 1999 |
| Hardwick Park (NT), Derbyshire | England: Mid | 115 | 336.5 | 37 | 1984 - 2004 |
| Llanover Park, Monmouthshire | Wales | 118 | 330.5 | 37 | < 1996 |
| Cadzow & Hamilton High Parks, Lanarkshire | Scotland | 44 | 352.3 | 18 | < 2010 |
| Parc Nanteos, Cardiganshire | Wales | 45 | 233.3 | 7 | < 1999 |
| Hafod Estate, Cardiganshire | Wales | 25 | 260.0 | 3 | < 1998 |
| Coed Mynachlog-fawr, Cardiganshire | Wales | 29 | 251.7 | 3 | < 1994 |
| Bothwell Castle, Lanarkshire | Scotland | 38 | 342.1 | 13 | < 2011 |
| Auchinleck Estate, Ayrshire | Scotland | 39 | 279.5 | 9 | 2013 - 2016 |
| Bothwell Castle (update), Ayrshire | Scotland | 35 | 320.0 | 13 | 1960 - 2016 |
| Lyme Park (NT), Cheshire | England: Mid | 56 | 217.9 | 5 | 1996 - 2019 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 543.6 | 110 | 1986 - 2020 |
| Millichope Park, Shropshire | England: Mid | 103 | 394.2 | 52 | 2020 - 2021 |
| Robinson Place Farm, Westmorland (with Furness) | England: North | 26 | 246.2 | 7 | 2021 |
| Tatton Park (2021), Cheshire | England: Mid | 102 | 424.5 | 45 | 2021 |
| Tatton Park (2011-21), Cheshire | England: Mid | 122 | 425.4 | 53 | 2011 - 2021 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 396.4 | 79 | 1993 - 2018 |
| Wye Valley Woods SAC, Monmouthshire | Wales | 132 | 456.1 | 49 | 1994 - 2018 |
| Robinson Place Farm, Westmorland (with Furness) | England: North | 53 | 220.8 | 9 | 2021 - 2022 |
| Ayr Gorge, Ayrshire | Scotland | 57 | 324.6 | 12 | 1960 - 2020 |
Saproxylic Quality Index