| The Mens, West Sussex | England: South | 139 | 441.0 | 56 | < 2010 |
| Kennet Floodplain, Berkshire | England: South | 124 | 353.2 | 20 | 2003 |
| Clytha Park, Monmouthshire | Wales | 48 | 329.2 | 16 | 1997 - 2002 |
| Coed Allt Craig Arth, Cardiganshire | Wales | 22 | 290.9 | 1 | < 1992 |
| Gibside, County Durham | England: North | 83 | 397.6 | 13 | < 1992 |
| Cwm Llyfnant, Cardiganshire | Wales | 44 | 288.6 | 4 | < 2015 |
| Hatfield Forest, North Essex | England: South | 245 | 591.4 | 138 | 1986 - 2018 |
| Thorneythwaite, Cumberland | England: North | 50 | 358.0 | 6 | 2017 |
| Tatton Park (2011-21), Cheshire | England: Mid | 122 | 425.4 | 53 | 2011 - 2021 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 551.3 | 92 | 1990 - 2022 |
| Ayr Gorge, Ayrshire | Scotland | 57 | 324.6 | 12 | 1960 - 2020 |
Saproxylic Quality Index