| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 500.0 | 96 | 1960 - 2006 |
| Glen Affric, East Inverness-shire | Scotland | 66 | 478.8 | 11 | < 2014 |
| Bradgate Park (total), Leicestershire (with Rutland) | England: Mid | 84 | 356.0 | 29 | < 1998 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 343.9 | 25 | < 1998 |
| Oyster Wood, Surrey | England: South | 117 | 401.7 | 24 | < 1993 |
| Snelsmore Common, Berkshire | England: South | 71 | 215.5 | 9 | 2003 |
| Thursley Commons, Surrey | England: South | 128 | 371.9 | 34 | < 2002 |
| Ulverscroft, Leicestershire (with Rutland) | England: Mid | 47 | 206.4 | 10 | < 1998 |
| Virginia Water Woods, Berkshire | England: South | 73 | 464.4 | 33 | 2003 |
| Woolmer Forest, North Hampshire | England: South | 97 | 291.8 | 16 | 1950 - 2003 |
| Rug, Merionethshire | Wales | 47 | 240.4 | 8 | < 1994 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 678.2 | 18 | < 1994 |
| Esher Commons (total), Surrey | England: South | 234 | 493.2 | 84 | < 2002 |
| Box Hill, Surrey | England: South | 225 | 552.0 | 67 | < 1997 |
| Dunham Park (total), Cheshire | England: Mid | 151 | 464.2 | 60 | < 1977 |
| Black Wood of Rannoch, Mid Perthshire | Scotland | 74 | 563.5 | 8 | < 1990 |
| Buxted Park, East Sussex | England: South | 134 | 400.7 | 43 | < 1999 |
| Ash Ranges, Surrey | England: South | 121 | 330.6 | 25 | 1997 - 2003 |
| Clytha Park, Monmouthshire | Wales | 48 | 308.3 | 16 | 1997 - 2002 |
| Blean Woods Complex, East Kent | England: South | 50 | 294.0 | 14 | < 1999 |
| Bentley Park Wood, Warwickshire | England: Mid | 62 | 277.4 | 12 | < 2000 |
| Hafod Estate, Cardiganshire | Wales | 25 | 268.0 | 3 | < 1998 |
| Gwydyr Forest, Caernarvonshire | Wales | 17 | 247.1 | 1 | < 1998 |
| Newborough Forest, Anglesey | Wales | 21 | 209.5 | 0 | < 2010 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 366.3 | 47 | 1980 - 2002 |
| Auchinleck Estate, Ayrshire | Scotland | 39 | 284.6 | 9 | 2013 - 2016 |
| Shotover Hill, Oxfordshire | England: South | 155 | 441.3 | 71 | 1999 - 2017 |
| Wyre Forest , Worcestershire | England: Mid | 126 | 415.9 | 39 | 1980 - 2017 |
| Brownsea Island NT, Dorset | England: South-West | 62 | 316.1 | 15 | 2005 - 2015 |
| Auchinleck Estate, Ayrshire | Scotland | 41 | 285.4 | 9 | 2000 - 2021 |
| Priory Wood, Staffordshire | England: Mid | 48 | 218.8 | 6 | 1980 - 2023 |
| Ickworth Park NT, West Suffolk | England: South | 176 | 497.7 | 74 | 1986 - 2022 |
| Ashtead Common NNR, Surrey | England: South | 282 | 633.7 | 161 | < 2023 |
| Abney Park Cemetery, Middlesex | England: South | 86 | 489.5 | 28 | 2006 - 2024 |
| 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 |
| Black Powder Woods, Ayrshire | Scotland | 33 | 215.2 | 5 | 2004 - 2022 |
| Old Wood of Drum, South Aberdeenshire | Scotland | 21 | 371.4 | 9 | 2023 - 2024 |
| Old Wood of Drum, Channel Islands | England: South | 21 | 371.4 | 9 | 2023 - 2024 |
Saproxylic Quality Index