| Grimsthorpe Park, South Lincolnshire | England: Mid | 148 | 522.3 | 77 | < 2014 |
| Wicken Fen, Cambridgeshire | England: South | 131 | 485.5 | 33 | 1978 - 2013 |
| 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 |
| Hylands Park (2000-03), South Essex | England: South | 61 | 313.1 | 14 | 2000 - 2003 |
| New Forest, South Hampshire | England: South | 326 | 857.1 | 207 | < 2000 |
| The Oaks, Kingston Lacy, Dorset | England: South-West | 72 | 276.4 | 11 | 2000 - 2001 |
| River Soar, Leicestershire (with Rutland) | England: Mid | 67 | 361.2 | 11 | < 1980 |
| Snelsmore Common, Berkshire | England: South | 71 | 233.8 | 11 | 2003 |
| Thursley Commons, Surrey | England: South | 128 | 427.3 | 36 | < 2002 |
| Richmond Park (total), Surrey | England: South | 253 | 711.9 | 153 | 1950 - 2006 |
| Moccas Park, Herefordshire | England: Mid | 239 | 635.1 | 137 | < 1998 |
| 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 |
| Cliveden NT, Buckinghamshire | England: South | 71 | 569.0 | 40 | 2008 |
| 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 |
| Hatchlands Park, Surrey | England: South | 164 | 506.1 | 73 | < 2002 |
| Bookham Common (post-1980), Surrey | England: South | 176 | 500.0 | 66 | 1980 - 2001 |
| Stanford PTA, West Norfolk | England: South | 183 | 489.1 | 74 | 1980 - 2009 |
| Cambourne Woods, Cambridgeshire | England: South | 39 | 487.2 | 12 | < 1998 |
| Hainault Forest, South Essex | England: South | 94 | 447.9 | 41 | 1970 - 2007 |
| Chiddingfold Woods, Surrey | England: South | 164 | 418.9 | 42 | < 2003 |
| Drayton Copse, Oxfordshire | England: South | 76 | 396.1 | 19 | < 1999 |
| St Fagans, Glamorganshire | Wales | 58 | 384.5 | 13 | 1997 - 1999 |
| Dingestow Court, Monmouthshire | Wales | 52 | 382.7 | 13 | 2007 - 2014 |
| Hutchin's Copse, Oxfordshire | England: South | 78 | 369.2 | 18 | < 1999 |
| Ash Ranges, Surrey | England: South | 121 | 362.8 | 31 | 1997 - 2003 |
| Downham Woodland Walk, West Kent | England: South | 46 | 354.3 | 14 | 2002 |
| Kennet Floodplain, Berkshire | England: South | 124 | 350.8 | 22 | 2003 |
| The Devenish, South Wiltshire | England: South-West | 74 | 344.6 | 17 | 1994 - 2004 |
| Priory Wood, Monmouthshire | Wales | 44 | 311.4 | 9 | < 2014 |
| Hayling Way, River Cam, Cambridgeshire | England: South | 36 | 475.0 | 10 | < 1997 |
| Wyelands, Monmouthshire | Wales | 28 | 492.9 | 15 | 1994 - 1999 |
| Grange Farm, Chigwell, South Essex | England: South | 29 | 600.0 | 14 | < 1999 |
| Windsor Forest, Berkshire | England: South | 364 | 850.0 | 251 | < 1998 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 405.8 | 56 | 1980 - 2002 |
| Badger Wood, Cambridgeshire | England: South | 29 | 465.5 | 7 | < 1998 |
| Trent Valley , Nottinghamshire | England: Mid | 101 | 366.3 | 30 | 1997 - 2015 |
| Stowe, Buckinghamshire | England: South | 106 | 550.9 | 55 | 1990 - 2015 |
| Brockworth Great Park, East Gloucestershire | England: Mid | 36 | 530.6 | 16 | 2000 |
| Kemerton Estate, Worcestershire | England: Mid | 171 | 518.7 | 65 | 1992 - 2014 |
| Polesden Lacy & Ranmore Common NT, Surrey | England: South | 49 | 255.1 | 6 | 1996 - 2011 |
| Hatfield Forest, North Essex | England: South | 246 | 694.7 | 147 | 1986 - 2018 |
| Abney Park Cemetery, Middlesex | England: South | 81 | 600.0 | 33 | 2006 - 2018 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 185 | 573.0 | 77 | 1976 - 2019 |
| Woodwalton Fen NNR, Huntingdonshire | England: Mid | 57 | 407.0 | 15 | 1961 - 2019 |
| Dinton Pastures, Berkshire | England: South | 128 | 560.2 | 42 | 2012 - 2020 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 407.4 | 51 | 1988 - 2018 |
| Sherrardspark Wood SSSI, Hertfordshire | England: South | 89 | 464.0 | 44 | 2008 - 2020 |
| Brownsea Island NT, Dorset | England: South-West | 62 | 380.6 | 13 | 2005 - 2015 |
| Ham Lands, Surrey | England: South | 52 | 461.5 | 16 | 2016 - 2021 |
| Flatford Mill and Dedham Vale (NT), East Suffolk | England: South | 74 | 493.2 | 24 | 1995 - 2020 |
| Bredon Hill, Worcestershire | England: Mid | 218 | 733.9 | 143 | 1970 - 2021 |
| East Chatteris, Cambridgeshire | England: South | 63 | 352.4 | 13 | 2015 |
| Birchall & Holwell Park Woods, Hertfordshire | England: South | 66 | 328.8 | 8 | 2014 - 2015 |
| Petworth Deer Park (NT), West Sussex | England: South | 194 | 561.9 | 86 | 1988 - 2020 |
| Little Doward Wood, West Gloucestershire | England: Mid | 80 | 435.0 | 39 | 2004 - 2021 |
| Danesbury Park, Welwyn, Hertfordshire | England: South | 48 | 333.3 | 12 | 2000 - 2022 |
| Holmwood, Surrey | England: South | 46 | 293.5 | 9 | 2015 - 2022 |
| Capstone, East Kent | England: South | 58 | 263.8 | 9 | 2000 - 2021 |
| Ickworth Park NT, West Suffolk | England: South | 176 | 583.0 | 78 | 1986 - 2022 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 157 | 608.9 | 96 | 1990 - 2022 |
| Barnes Common, Surrey | England: South | 77 | 640.3 | 47 | 2021 - 2023 |
Saproxylic Quality Index