| Forest of Dean, West Gloucestershire | England: Mid | 89 | 410.1 | 30 | 1965 - 1998 |
| Powis Castle Park (total), Montgomeryshire | Wales | 170 | 380.0 | 70 | 1994 - 2003 |
| Grovely Wood, South Wiltshire | England: South-West | 107 | 390.7 | 27 | 1980 - 2004 |
| Bradgate Park (total), Leicestershire (with Rutland) | England: Mid | 84 | 356.0 | 29 | < 1998 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 623.5 | 148 | 1996 - 2013 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 343.9 | 25 | < 1998 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 415.9 | 48 | < 1973 |
| New Forest, South Hampshire | England: South | 324 | 774.1 | 207 | < 2000 |
| Oakwood Pastures, Staffordshire | England: Mid | 69 | 310.1 | 19 | < 2002 |
| Scadbury Park, West Kent | England: South | 71 | 321.1 | 17 | < 1998 |
| Shortwood & Standish Wood (National Trust), Worcestershire | England: Mid | 46 | 289.1 | 12 | 1985 - 2002 |
| Thursley Commons, Surrey | England: South | 128 | 371.9 | 34 | < 2002 |
| Cirencester Park, East Gloucestershire | England: Mid | 76 | 327.6 | 24 | < 1999 |
| Moccas Park, Herefordshire | England: Mid | 239 | 569.9 | 145 | < 1998 |
| Croome Park, Worcestershire | England: Mid | 110 | 560.0 | 62 | < 1999 |
| Hampton Court Park, Middlesex | England: South | 87 | 498.9 | 48 | 2011 - 2013 |
| Icklingham Plains Area, West Suffolk | England: South | 75 | 448.0 | 38 | 1976 - 1997 |
| Esher Commons (total), Surrey | England: South | 234 | 496.6 | 91 | < 2002 |
| Box Hill, Surrey | England: South | 225 | 552.0 | 67 | < 1997 |
| The Mens, West Sussex | England: South | 139 | 463.3 | 56 | < 2010 |
| Buxted Park, East Sussex | England: South | 134 | 400.7 | 43 | < 1999 |
| Chiddingfold Woods, Surrey | England: South | 164 | 371.3 | 37 | < 2003 |
| Kennet Floodplain, Berkshire | England: South | 124 | 352.4 | 20 | 2003 |
| Blean Woods Complex, East Kent | England: South | 50 | 294.0 | 14 | < 1999 |
| Windsor Forest, Berkshire | England: South | 363 | 768.0 | 261 | < 1998 |
| Trent Valley , Nottinghamshire | England: Mid | 101 | 332.7 | 26 | 1997 - 2015 |
| Brockworth Great Park, East Gloucestershire | England: Mid | 36 | 461.1 | 22 | 2000 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 441.8 | 81 | 1992 - 2014 |
| Beningbrough Parkland, North-east Yorkshire | England: North | 68 | 311.8 | 15 | 1987 - 2019 |
| Woodwalton Fen NNR, Huntingdonshire | England: Mid | 57 | 315.8 | 16 | 1961 - 2019 |
| Brownsea Island NT, Dorset | England: South-West | 62 | 316.1 | 15 | 2005 - 2015 |
| Flatford Mill and Dedham Vale (NT), East Suffolk | England: South | 74 | 437.8 | 19 | 1995 - 2020 |
| Birchall & Holwell Park Woods, Hertfordshire | England: South | 65 | 286.2 | 8 | 2014 - 2015 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 504.6 | 92 | 1988 - 2020 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 404.6 | 79 | 1993 - 2018 |
| Danesbury Park, Welwyn, Hertfordshire | England: South | 48 | 258.3 | 5 | 2000 - 2022 |
| Capstone, East Kent | England: South | 58 | 251.7 | 5 | 2000 - 2021 |
| Ickworth Park NT, West Suffolk | England: South | 176 | 502.3 | 81 | 1986 - 2022 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 535.9 | 99 | 1990 - 2022 |
| Sheringham Park (NT), East Norfolk | England: South | 88 | 326.1 | 25 | 1987 - 2022 |
| Ham Lands, Surrey | England: South | 67 | 379.1 | 16 | 2010 - 2023 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 516.9 | 76 | < 2023 |
| Ashtead Common NNR, Surrey | England: South | 282 | 636.5 | 168 | < 2023 |
| Burnham Beeches, Buckinghamshire | England: South | 263 | 595.1 | 161 | < 2022 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 627.5 | 182 | < 2022 |
| Bredon Hill, Worcestershire | England: Mid | 218 | 617.4 | 147 | 1970 - 2021 |
| Oxburgh Hall (NT), West Norfolk | England: South | 63 | 422.2 | 27 | 2006 - 2018 |
| Wicken Fen (NT), Cambridgeshire | England: South | 152 | 447.4 | 59 | 1980 - 2023 |
Saproxylic Quality Index