| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 558.5 | 97 | 1960 - 2006 |
| Calke Abbey NT, Derbyshire | England: Mid | 165 | 453.9 | 74 | 1998 - 2004 |
| Forest of Dean, West Gloucestershire | England: Mid | 89 | 438.2 | 34 | 1965 - 1998 |
| Danbury Common & Danbury Park, South Essex | England: South | 109 | 431.2 | 41 | 1976 - 2009 |
| Duncombe Park NNR, North-east Yorkshire | England: North | 93 | 425.8 | 41 | < 2000 |
| Powis Castle Park (total), Montgomeryshire | Wales | 170 | 390.6 | 65 | 1994 - 2003 |
| Grovely Wood, South Wiltshire | England: South-West | 107 | 378.5 | 34 | 1980 - 2004 |
| Bradgate Park (total), Leicestershire (with Rutland) | England: Mid | 84 | 363.1 | 25 | < 1998 |
| Coed Nant Llolwyn, Cardiganshire | Wales | 46 | 219.6 | 3 | < 1998 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 707.5 | 152 | 1996 - 2013 |
| Hylands Park (Total), South Essex | England: South | 74 | 289.2 | 14 | 1967 - 2003 |
| Lullingstone Park, West Kent | England: South | 105 | 486.7 | 46 | < 1977 |
| Melton Wood, South-west Yorkshire | England: North | 49 | 193.9 | 3 | < 2000 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 459.9 | 48 | < 1973 |
| New Forest, South Hampshire | England: South | 326 | 857.1 | 207 | < 2000 |
| Oyster Wood, Surrey | England: South | 117 | 406.8 | 24 | < 1993 |
| Pipers Hill, Worcestershire | England: Mid | 43 | 493.0 | 21 | < 2003 |
| Rotherfield Park, North Hampshire | England: South | 121 | 343.8 | 28 | 2002 |
| Scadbury Park, West Kent | England: South | 71 | 323.9 | 19 | < 1998 |
| Silwood Park, Berkshire | England: South | 159 | 685.5 | 90 | 1998 - 1999 |
| Studley Park, Mid-west Yorkshire | England: North | 41 | 390.2 | 18 | < 1991 |
| Virginia Water Woods, Berkshire | England: South | 73 | 553.4 | 46 | 2003 |
| Walcot Park, Shropshire | England: Mid | 39 | 317.9 | 13 | < 1991 |
| Woolmer Forest, North Hampshire | England: South | 97 | 325.8 | 21 | 1950 - 2003 |
| Rug, Merionethshire | Wales | 47 | 227.7 | 5 | < 1994 |
| Richmond Park (total), Surrey | England: South | 253 | 711.9 | 153 | 1950 - 2006 |
| Moccas Park, Herefordshire | England: Mid | 239 | 635.1 | 137 | < 1998 |
| Croome Park, Worcestershire | England: Mid | 110 | 628.2 | 62 | < 1999 |
| Epping Forest, South Essex | England: South | 254 | 601.6 | 128 | < 1979 |
| Hampton Court Park, Middlesex | England: South | 87 | 595.4 | 46 | 2011 - 2013 |
| Ashtead Common, Surrey | England: South | 220 | 586.8 | 89 | < 1998 |
| Arundel Park, West Sussex | England: South | 130 | 546.9 | 54 | < 1999 |
| Bookham Common (total), Surrey | England: South | 209 | 543.1 | 82 | < 2001 |
| Esher Commons (total), Surrey | England: South | 234 | 530.8 | 84 | < 2002 |
| Box Hill, Surrey | England: South | 225 | 530.7 | 71 | < 1997 |
| Dunham Park (total), Cheshire | England: Mid | 151 | 516.6 | 63 | < 1977 |
| Black Wood of Rannoch, Mid Perthshire | Scotland | 74 | 518.9 | 9 | < 1990 |
| Hatchlands Park, Surrey | England: South | 164 | 506.1 | 73 | < 2002 |
| Bookham Common (post-1980), Surrey | England: South | 176 | 500.0 | 66 | 1980 - 2001 |
| Buxted Park, East Sussex | England: South | 135 | 424.4 | 43 | < 1999 |
| Kedleston Park NT, Derbyshire | England: Mid | 143 | 404.9 | 58 | < 2014 |
| Bedford Purlieus Wood NNR, Huntingdonshire | England: Mid | 68 | 385.3 | 16 | 1970 - 1995 |
| Dinefwr Deer Park, Carmarthenshire | Wales | 156 | 382.7 | 57 | < 1999 |
| St Fagans, Glamorganshire | Wales | 58 | 384.5 | 13 | 1997 - 1999 |
| Hardwick Park (NT), Derbyshire | England: Mid | 115 | 369.6 | 39 | 1984 - 2004 |
| Bramshott Chase, Surrey | England: South | 138 | 367.4 | 37 | 1998 - 2003 |
| Kennet Floodplain, Berkshire | England: South | 124 | 350.8 | 22 | 2003 |
| Cwrt-yr-ala, Castell Coch, Glamorganshire | Wales | 76 | 347.4 | 16 | < 1935 |
| Llanover Park, Monmouthshire | Wales | 118 | 345.8 | 37 | < 1996 |
| Gregynog, Montgomeryshire | Wales | 69 | 239.1 | 13 | < 1996 |
| Cwm Merddog, Monmouthshire | Wales | 33 | 275.8 | 12 | 2002 - 2008 |
| Windsor Forest, Berkshire | England: South | 364 | 850.0 | 251 | < 1998 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 405.8 | 56 | 1980 - 2002 |
| Eastnor Park, Herefordshire | England: Mid | 93 | 508.6 | 57 | < 2010 |
| 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 |
| Burley Wood, Leicestershire (with Rutland) | England: Mid | 72 | 288.9 | 13 | < 1988 |
| Burley-on-the-Hill Estate, Leicestershire (with Rutland) | England: Mid | 90 | 327.8 | 23 | 1988 - 2016 |
| Studley Royal, Mid-west Yorkshire | England: North | 100 | 329.0 | 36 | 1901 - 2016 |
| Croome Estate, Worcestershire | England: Mid | 175 | 697.7 | 109 | 1995 - 2016 |
| 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 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 407.4 | 51 | 1988 - 2018 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 603.4 | 119 | 1986 - 2020 |
| Nettlecombe Park, South Somerset | England: South-West | 128 | 373.4 | 58 | 1988 - 2019 |
| Dunham Park (1950-77), Cheshire | England: Mid | 93 | 336.6 | 31 | 1950 - 1977 |
| 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 |
| Robinson Place Farm, Westmorland (with Furness) | England: North | 53 | 228.3 | 9 | 2021 - 2022 |
Saproxylic Quality Index