| Glen Affric, East Inverness-shire | Scotland | 66 | 450.0 | 11 | < 2014 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 414.0 | 48 | < 1973 |
| Thorne Moors, South-west Yorkshire | England: North | 86 | 264.0 | 16 | < 1985 |
| Moccas Park, Herefordshire | England: Mid | 239 | 576.6 | 138 | < 1998 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 663.4 | 18 | < 1994 |
| Box Hill, Surrey | England: South | 225 | 550.7 | 67 | < 1997 |
| Black Wood of Rannoch, Mid Perthshire | Scotland | 74 | 571.6 | 8 | < 1990 |
| Cadzow & Hamilton High Parks, Lanarkshire | Scotland | 44 | 352.3 | 18 | < 2010 |
| Glen Tanar, South Aberdeenshire | Scotland | 34 | 605.9 | 4 | < 1991 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Trent Valley , Nottinghamshire | England: Mid | 101 | 330.7 | 26 | 1997 - 2015 |
| Croft Castle, Herefordshire | England: Mid | 121 | 399.2 | 52 | < 2012 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 515.9 | 85 | 1988 - 2020 |
| Danesbury Park, Welwyn, Hertfordshire | England: South | 48 | 260.4 | 5 | 2000 - 2022 |
| Capstone, East Kent | England: South | 58 | 237.9 | 5 | 2000 - 2021 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 551.3 | 92 | 1990 - 2022 |
| Sheringham Park (NT), East Norfolk | England: South | 88 | 309.1 | 25 | 1987 - 2022 |
Saproxylic Quality Index