| Calke Abbey NT, Derbyshire | England: Mid | 165 | 453.9 | 74 | 1998 - 2004 |
| Duncombe Park NNR, North-east Yorkshire | England: North | 93 | 425.8 | 41 | < 2000 |
| Swanton Novers, West Norfolk | England: South | 95 | 420.0 | 36 | 1981 - 2010 |
| Bradgate Park (total), Leicestershire (with Rutland) | England: Mid | 84 | 363.1 | 25 | < 1998 |
| Bradgate Park (pre 1970), Leicestershire (with Rutland) | England: Mid | 44 | 306.8 | 11 | < 1970 |
| Coed Nant Llolwyn, Cardiganshire | Wales | 46 | 219.6 | 3 | < 1998 |
| Grimsthorpe Park, South Lincolnshire | England: Mid | 148 | 522.3 | 77 | < 2014 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 707.5 | 152 | 1996 - 2013 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 384.6 | 22 | < 1998 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 459.9 | 48 | < 1973 |
| New Forest, South Hampshire | England: South | 326 | 857.1 | 207 | < 2000 |
| Norton Priory, West Sussex | England: South | 54 | 235.2 | 4 | 2003 |
| Oakwood Pastures, Staffordshire | England: Mid | 69 | 297.1 | 16 | < 2002 |
| River Soar, Leicestershire (with Rutland) | England: Mid | 67 | 361.2 | 11 | < 1980 |
| Rotherfield Park, North Hampshire | England: South | 121 | 343.8 | 28 | 2002 |
| Short Wood, Northamptonshire | England: Mid | 93 | 341.9 | 13 | < 1999 |
| Thorne Moors, South-west Yorkshire | England: North | 86 | 307.0 | 18 | < 1985 |
| Thursley Commons, Surrey | England: South | 128 | 427.3 | 36 | < 2002 |
| Woolmer Forest, North Hampshire | England: South | 97 | 325.8 | 21 | 1950 - 2003 |
| Cirencester Park, East Gloucestershire | England: Mid | 76 | 309.2 | 28 | < 1999 |
| Rug, Merionethshire | Wales | 47 | 227.7 | 5 | < 1994 |
| Moccas Park, Herefordshire | England: Mid | 239 | 635.1 | 137 | < 1998 |
| Epping Forest, South Essex | England: South | 254 | 601.6 | 128 | < 1979 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 597.9 | 17 | < 1994 |
| Ashtead Common, Surrey | England: South | 220 | 586.8 | 89 | < 1998 |
| Esher Commons (total), Surrey | England: South | 234 | 530.8 | 84 | < 2002 |
| Black Wood of Rannoch, Mid Perthshire | Scotland | 74 | 518.9 | 9 | < 1990 |
| Hatchlands Park, Surrey | England: South | 164 | 506.1 | 73 | < 2002 |
| Stanford PTA, West Norfolk | England: South | 183 | 489.1 | 74 | 1980 - 2009 |
| Chiddingfold Woods, Surrey | England: South | 164 | 418.9 | 42 | < 2003 |
| Kedleston Park NT, Derbyshire | England: Mid | 143 | 404.9 | 58 | < 2014 |
| Bramshott Chase, Surrey | England: South | 138 | 367.4 | 37 | 1998 - 2003 |
| Ash Ranges, Surrey | England: South | 121 | 362.8 | 31 | 1997 - 2003 |
| Kennet Floodplain, Berkshire | England: South | 124 | 350.8 | 22 | 2003 |
| Coed Gwaenydd Bach, Glamorganshire | Wales | 42 | 290.5 | 15 | < 1993 |
| Lockhaugh Bank Wood, South Northumberland | England: North | 46 | 230.4 | 3 | < 1993 |
| Penrice Castle, Glamorganshire | Wales | 19 | 257.9 | 4 | 1994 |
| Plas Newydd, Anglesey | Wales | 19 | 257.9 | 1 | < 1994 |
| Plas Gogerddan/Coed allt-ddel, Cardiganshire | Wales | 21 | 147.6 | 0 | < 1998 |
| Hayling Way, River Cam, Cambridgeshire | England: South | 36 | 475.0 | 10 | < 1997 |
| Bishopston Valley, Glamorganshire | Wales | 31 | 241.9 | 3 | 1994 - 2002 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 405.8 | 56 | 1980 - 2002 |
| Donington Park (total), Leicestershire (with Rutland) | England: Mid | 122 | 450.0 | 48 | 1971 - 2014 |
| Trent Valley , Nottinghamshire | England: Mid | 101 | 366.3 | 30 | 1997 - 2015 |
| Cobham Woods NT, West Kent | England: South | 70 | 437.1 | 33 | 2014 |
| Horner Wood, South Somerset | England: South-West | 88 | 314.8 | 29 | 1998 - 2015 |
| Dartington Hall Estate, South Devon | England: South-West | 89 | 384.3 | 14 | 2010 - 2017 |
| Hatfield Forest, North Essex | England: South | 246 | 694.7 | 147 | 1986 - 2018 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 185 | 573.0 | 77 | 1976 - 2019 |
| Robinson Place Farm, Westmorland (with Furness) | England: North | 26 | 257.7 | 7 | 2021 |
| Tatton Park (2011-21), Cheshire | England: Mid | 122 | 508.2 | 58 | 2011 - 2021 |
| Petworth Deer Park (NT), West Sussex | England: South | 194 | 561.9 | 86 | 1988 - 2020 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 433.5 | 83 | 1993 - 2018 |
| Little Doward Wood, West Gloucestershire | England: Mid | 80 | 435.0 | 39 | 2004 - 2021 |
| Robinson Place Farm, Westmorland (with Furness) | England: North | 53 | 228.3 | 9 | 2021 - 2022 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 157 | 608.9 | 96 | 1990 - 2022 |
Saproxylic Quality Index