| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 493.9 | 96 | 1960 - 2006 |
| Calke Abbey NT, Derbyshire | England: Mid | 165 | 417.6 | 74 | 1998 - 2004 |
| Buddon Wood (total), Leicestershire (with Rutland) | England: Mid | 124 | 411.3 | 36 | < 1988 |
| Danbury Common & Danbury Park, South Essex | England: South | 109 | 417.4 | 34 | 1976 - 2009 |
| Swanton Novers, West Norfolk | England: South | 95 | 335.8 | 32 | 1981 - 2010 |
| Blackmoor Copse, South Wiltshire | England: South-West | 59 | 318.6 | 15 | 1994 - 2005 |
| Grimsthorpe Park, South Lincolnshire | England: Mid | 147 | 461.9 | 77 | < 2014 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 629.0 | 141 | 1996 - 2013 |
| Longdon Marsh, Worcestershire | England: Mid | 57 | 578.9 | 39 | 2000 - 2002 |
| Mottisfont Abbey, South Hampshire | England: South | 36 | 391.7 | 18 | < 1998 |
| New Forest, South Hampshire | England: South | 324 | 782.7 | 200 | < 2000 |
| Thursley Commons, Surrey | England: South | 128 | 371.1 | 34 | < 2002 |
| Langley Park, Buckinghamshire | England: South | 152 | 686.2 | 110 | 1979 - 2008 |
| Richmond Park (total), Surrey | England: South | 253 | 644.3 | 157 | 1950 - 2006 |
| Parham Park, West Sussex | England: South | 81 | 523.5 | 42 | 1983 - 2012 |
| Hampton Court Park, Middlesex | England: South | 87 | 524.1 | 41 | 2011 - 2013 |
| Cliveden NT, Buckinghamshire | England: South | 71 | 501.4 | 33 | 2008 |
| Shrubland Estate, East Suffolk | England: South | 91 | 512.1 | 38 | 1975 - 2005 |
| Bookham Common (total), Surrey | England: South | 208 | 475.5 | 84 | < 2001 |
| Hatchlands Park, Surrey | England: South | 164 | 407.3 | 64 | < 2002 |
| Bookham Common (post-1980), Surrey | England: South | 176 | 441.5 | 61 | 1980 - 2001 |
| Stanford PTA, West Norfolk | England: South | 183 | 414.8 | 74 | 1980 - 2009 |
| Chiddingfold Woods, Surrey | England: South | 164 | 371.3 | 37 | < 2003 |
| Highgate Wood, Middlesex | England: South | 107 | 404.7 | 36 | < 2002 |
| Kedleston Park NT, Derbyshire | England: Mid | 143 | 372.7 | 58 | < 2014 |
| Downham Woodland Walk, West Kent | England: South | 46 | 295.7 | 11 | 2002 |
| Kennet Floodplain, Berkshire | England: South | 124 | 353.2 | 20 | 2003 |
| Eridge Park, East Sussex | England: South | 80 | 308.8 | 17 | < 1999 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Pamber Forest & Silchester Common, North Hampshire | England: South | 53 | 452.8 | 19 | 1988 - 2005 |
| Donington Park (total), Leicestershire (with Rutland) | England: Mid | 122 | 438.5 | 53 | 1971 - 2014 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 539.0 | 110 | 1980 - 2006 |
| Trent Valley , Nottinghamshire | England: Mid | 101 | 330.7 | 26 | 1997 - 2015 |
| Hanbury Park, Worcestershire | England: Mid | 38 | 436.8 | 13 | 2008 - 2016 |
| Hanbury Park, Worcestershire | England: Mid | 58 | 501.7 | 26 | 1998 - 2016 |
| Berrington Hall, Herefordshire | England: Mid | 49 | 371.4 | 13 | 1984 - 2011 |
| Croome Estate, Worcestershire | England: Mid | 175 | 616.6 | 109 | 1995 - 2016 |
| Shotover Hill, Oxfordshire | England: South | 155 | 434.8 | 71 | 1999 - 2017 |
| Wyre Forest , Worcestershire | England: Mid | 126 | 415.9 | 39 | 1980 - 2017 |
| Brockhampton Estate (NT), Herefordshire | England: Mid | 62 | 496.8 | 29 | 1984 - 2016 |
| Hatfield Forest, North Essex | England: South | 245 | 591.4 | 138 | 1986 - 2018 |
| Sherrardspark Wood SSSI, Hertfordshire | England: South | 89 | 368.5 | 36 | 2008 - 2020 |
| Blickling Park (NT), East Norfolk | England: South | 117 | 378.6 | 43 | 1982 - 2019 |
| Flatford Mill and Dedham Vale (NT), East Suffolk | England: South | 74 | 439.2 | 19 | 1995 - 2020 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 543.6 | 110 | 1986 - 2020 |
| Millichope Park, Shropshire | England: Mid | 103 | 394.2 | 52 | 2020 - 2021 |
| Tugford Wood Pasture, Shropshire | England: Mid | 65 | 373.8 | 26 | 2021 |
| Tatton Park (2011-21), Cheshire | England: Mid | 122 | 425.4 | 53 | 2011 - 2021 |
| Birchall & Holwell Park Woods, Hertfordshire | England: South | 65 | 289.2 | 8 | 2014 - 2015 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 515.9 | 85 | 1988 - 2020 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 396.4 | 79 | 1993 - 2018 |
| Wye Valley Woods SAC, Monmouthshire | Wales | 132 | 456.1 | 49 | 1994 - 2018 |
| Ickworth Park NT, West Suffolk | England: South | 176 | 506.8 | 74 | 1986 - 2022 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 551.3 | 92 | 1990 - 2022 |
| Sheringham Park (NT), East Norfolk | England: South | 88 | 309.1 | 25 | 1987 - 2022 |
| Clumber Park (NT), Nottinghamshire | England: Mid | 177 | 422.0 | 75 | 1990 - 2023 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 620.3 | 158 | 1950 - 2021 |
| Clumber Park 2023, Nottinghamshire | England: Mid | 124 | 462.1 | 66 | 2023 |
| Sydenham Hill & Dulwich Woods, Surrey | England: South | 92 | 406.5 | 30 | 1997 - 2023 |
| Oxburgh Hall, West Norfolk | England: South | 96 | 459.4 | 36 | 2013 - 2022 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 526.8 | 69 | < 2023 |
| Ashtead Common NNR, Surrey | England: South | 282 | 635.1 | 161 | < 2023 |
| Burnham Beeches, Buckinghamshire | England: South | 263 | 599.6 | 154 | < 2022 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 640.1 | 175 | < 2022 |
| Bredon Hill, Worcestershire | England: Mid | 218 | 633.9 | 140 | 1970 - 2021 |
| Oxburgh Hall (NT), West Norfolk | England: South | 63 | 436.5 | 20 | 2006 - 2018 |
| Weald Country Park (total), South Essex | England: South | 128 | 503.1 | 63 | < 2010 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 203 | 525.6 | 90 | 1986 - 2023 |
| Dinton Pastures Country Park, Berkshire | England: South | 143 | 488.1 | 52 | 1992 - 2023 |
Saproxylic Quality Index