| Buddon Wood (total), Leicestershire (with Rutland) | England: Mid | 124 | 397.6 | 36 | < 1988 |
| Glen Affric, East Inverness-shire | Scotland | 66 | 478.8 | 11 | < 2014 |
| Forest of Dean, West Gloucestershire | England: Mid | 89 | 410.1 | 30 | 1965 - 1998 |
| Short Wood, Northamptonshire | England: Mid | 93 | 295.7 | 14 | < 1999 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 678.2 | 18 | < 1994 |
| Brilley Green Dingle, Herefordshire | England: Mid | 61 | 283.6 | 9 | < 2014 |
| Glen Tanar, South Aberdeenshire | Scotland | 34 | 611.8 | 4 | < 1991 |
| Coed Rheidol NNR, Cardiganshire | Wales | 13 | 161.5 | 0 | 1987 - 1992 |
| Coedydd Maentwrog, Merionethshire | Wales | 24 | 304.2 | 6 | < 1969 |
| Plyde Loch, Ayrshire | Scotland | 17 | 252.9 | 4 | 2012 - 2014 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Parc Lodge, Monmouthshire | Wales | 30 | 230.0 | 7 | 1991 - 2002 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 437.1 | 74 | 1992 - 2014 |
| Auchinleck Estate, Ayrshire | Scotland | 39 | 284.6 | 9 | 2013 - 2016 |
| Plyde Loch (revised), Ayrshire | Scotland | 25 | 244.0 | 4 | 2012 - 2016 |
| Thorneythwaite, Cumberland | England: North | 50 | 348.0 | 6 | 2017 |
| Auchinleck Estate, Ayrshire | Scotland | 41 | 285.4 | 9 | 2000 - 2021 |
| Tyntesfield (NT), North Somerset | England: South-West | 61 | 260.7 | 11 | 2010 - 2022 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 624.6 | 175 | < 2022 |
| Ayr Gorge, Ayrshire | Scotland | 57 | 319.3 | 12 | 1960 - 2020 |
| Burnham Beeches (s.s.), Buckinghamshire | England: South | 263 | 592.0 | 154 | < 2022 |
Saproxylic Quality Index