| Buddon Wood (total), Leicestershire (with Rutland) | England: Mid | 124 | 411.3 | 36 | < 1988 |
| Glen Affric, East Inverness-shire | Scotland | 66 | 450.0 | 11 | < 2014 |
| Powis Castle Park (total), Montgomeryshire | Wales | 170 | 372.9 | 70 | 1994 - 2003 |
| Grovely Wood, South Wiltshire | England: South-West | 107 | 382.2 | 27 | 1980 - 2004 |
| Lea & Pagets Wood, Herefordshire | England: Mid | 55 | 307.3 | 3 | 2003 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 351.2 | 25 | < 1998 |
| Melton Wood, South-west Yorkshire | England: North | 49 | 173.5 | 2 | < 2000 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 414.0 | 48 | < 1973 |
| New Forest, South Hampshire | England: South | 324 | 782.7 | 200 | < 2000 |
| Oyster Wood, Surrey | England: South | 117 | 395.7 | 24 | < 1993 |
| Staverton Park, East Suffolk | England: South | 106 | 416.0 | 48 | < 1986 |
| Thorne Moors, South-west Yorkshire | England: North | 86 | 264.0 | 16 | < 1985 |
| Ulverscroft, Leicestershire (with Rutland) | England: Mid | 47 | 197.9 | 10 | < 1998 |
| Cirencester Park, East Gloucestershire | England: Mid | 76 | 314.5 | 24 | < 1999 |
| Moccas Park, Herefordshire | England: Mid | 239 | 576.6 | 138 | < 1998 |
| Epping Forest, South Essex | England: South | 252 | 560.3 | 128 | < 1979 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 663.4 | 18 | < 1994 |
| Shrubland Estate, East Suffolk | England: South | 91 | 512.1 | 38 | 1975 - 2005 |
| Arundel Park, West Sussex | England: South | 130 | 475.4 | 53 | < 1999 |
| Bookham Common (total), Surrey | England: South | 208 | 475.5 | 84 | < 2001 |
| Box Hill, Surrey | England: South | 225 | 550.7 | 67 | < 1997 |
| Dunham Park (total), Cheshire | England: Mid | 151 | 468.9 | 60 | < 1977 |
| Bookham Common (post-1980), Surrey | England: South | 176 | 441.5 | 61 | 1980 - 2001 |
| Stanford PTA, West Norfolk | England: South | 183 | 414.8 | 74 | 1980 - 2009 |
| The Mens, West Sussex | England: South | 139 | 441.0 | 56 | < 2010 |
| St Fagans, Glamorganshire | Wales | 58 | 356.9 | 15 | 1997 - 1999 |
| Cadzow & Hamilton High Parks, Lanarkshire | Scotland | 44 | 352.3 | 18 | < 2010 |
| Milton-Lockhart Estate, Lanarkshire | Scotland | 55 | 336.4 | 12 | < 2009 |
| Bentley Park Wood, Warwickshire | England: Mid | 62 | 264.5 | 12 | < 2000 |
| Clay Vallet Wood, Herefordshire | England: Mid | 58 | 286.2 | 11 | 2002 - 2003 |
| Brilley Green Dingle, Herefordshire | England: Mid | 61 | 291.8 | 9 | < 2014 |
| Lockhaugh Bank Wood, South Northumberland | England: North | 46 | 243.5 | 7 | < 1993 |
| Gwysaney, Flintshire | Wales | 24 | 216.7 | 0 | 1994 |
| Merthyr Mawr, Glamorganshire | Wales | 31 | 248.4 | 5 | < 1998 |
| Bailey Einion, Radnorshire | Wales | 20 | 540.0 | 3 | < 1998 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Castle Eden Dene, County Durham | England: North | 32 | 275.0 | 3 | < 1974 |
| Trent Valley , Nottinghamshire | England: Mid | 101 | 330.7 | 26 | 1997 - 2015 |
| Auchinleck Estate, Ayrshire | Scotland | 39 | 279.5 | 9 | 2013 - 2016 |
| Buddon Wood (post 1980), Leicestershire (with Rutland) | England: Mid | 79 | 308.9 | 14 | 1980 - 1988 |
| Burley-on-the-Hill Estate, Leicestershire (with Rutland) | England: Mid | 90 | 302.2 | 19 | 1988 - 2016 |
| Croft Castle, Herefordshire | England: Mid | 121 | 399.2 | 52 | < 2012 |
| Haughmond Hill, Shropshire | England: Mid | 55 | 270.9 | 12 | 2009 - 2017 |
| Lanhydrock Estate (NT), East Cornwall | England: South-West | 65 | 315.4 | 23 | < 2008 |
| Hatfield Forest, North Essex | England: South | 245 | 591.4 | 138 | 1986 - 2018 |
| Thorneythwaite, Cumberland | England: North | 50 | 358.0 | 6 | 2017 |
| Sutton Park (up to 1998), Warwickshire | England: Mid | 66 | 230.3 | 16 | < 1998 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 376.3 | 45 | 1988 - 2018 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 543.6 | 110 | 1986 - 2020 |
| Auchinleck Estate, Ayrshire | Scotland | 41 | 278.0 | 9 | 2000 - 2021 |
| Bainton Heath, Northamptonshire | England: Mid | 64 | 421.9 | 17 | 2011 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 396.4 | 79 | 1993 - 2018 |
| Wye Valley Woods SAC, Monmouthshire | Wales | 132 | 456.1 | 49 | 1994 - 2018 |
| Clumber Park (NT), Nottinghamshire | England: Mid | 177 | 422.0 | 75 | 1990 - 2023 |
| Oxburgh Hall, West Norfolk | England: South | 96 | 459.4 | 36 | 2013 - 2022 |
| Burnham Beeches, Buckinghamshire | England: South | 263 | 599.6 | 154 | < 2022 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 640.1 | 175 | < 2022 |
| Oxburgh Hall (NT), West Norfolk | England: South | 63 | 436.5 | 20 | 2006 - 2018 |
| Ayr Gorge, Ayrshire | Scotland | 57 | 324.6 | 12 | 1960 - 2020 |
| Wicken Fen (NT), Cambridgeshire | England: South | 152 | 451.3 | 59 | 1980 - 2023 |
| Melbury Wood, Dorset | England: South-West | 31 | 380.6 | 6 | 2021 - 2022 |
Saproxylic Quality Index