| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 493.9 | 96 | 1960 - 2006 |
| Calke Abbey NT, Derbyshire | England: Mid | 165 | 417.6 | 74 | 1998 - 2004 |
| Swanton Novers, West Norfolk | England: South | 95 | 335.8 | 32 | 1981 - 2010 |
| Powis Castle Park (total), Montgomeryshire | Wales | 170 | 372.9 | 70 | 1994 - 2003 |
| Grimsthorpe Park, South Lincolnshire | England: Mid | 147 | 461.9 | 77 | < 2014 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 629.0 | 141 | 1996 - 2013 |
| Hylands Park (Total), South Essex | England: South | 74 | 254.1 | 13 | 1967 - 2003 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 351.2 | 25 | < 1998 |
| Hylands Park (2000-03), South Essex | England: South | 61 | 270.5 | 13 | 2000 - 2003 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 414.0 | 48 | < 1973 |
| River Soar, Leicestershire (with Rutland) | England: Mid | 66 | 295.5 | 12 | < 1980 |
| Savernake Forest, South Wiltshire | England: South-West | 111 | 435.1 | 50 | < 2004 |
| Shortwood & Standish Wood (National Trust), Worcestershire | England: Mid | 46 | 280.4 | 12 | 1985 - 2002 |
| Short Wood, Northamptonshire | England: Mid | 93 | 305.4 | 14 | < 1999 |
| Site A, Evesham, Worcestershire | England: Mid | 73 | 502.7 | 40 | < 1996 |
| Thorne Moors, South-west Yorkshire | England: North | 86 | 264.0 | 16 | < 1985 |
| Thursley Commons, Surrey | England: South | 128 | 371.1 | 34 | < 2002 |
| Virginia Water Woods, Berkshire | England: South | 73 | 502.7 | 33 | 2003 |
| Rug, Merionethshire | Wales | 47 | 240.4 | 8 | < 1994 |
| Langley Park, Buckinghamshire | England: South | 152 | 686.2 | 110 | 1979 - 2008 |
| Richmond Park (total), Surrey | England: South | 253 | 644.3 | 157 | 1950 - 2006 |
| Moccas Park, Herefordshire | England: Mid | 239 | 576.6 | 138 | < 1998 |
| Epping Forest, South Essex | England: South | 252 | 560.3 | 128 | < 1979 |
| 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 |
| Esher Commons (total), Surrey | England: South | 234 | 498.3 | 84 | < 2002 |
| Hatchlands Park, Surrey | England: South | 164 | 407.3 | 64 | < 2002 |
| Bookham Common (post-1980), Surrey | England: South | 176 | 441.5 | 61 | 1980 - 2001 |
| Mersham Hatch Estate, East Kent | England: South | 115 | 421.7 | 39 | < 1998 |
| Stanford PTA, West Norfolk | England: South | 183 | 414.8 | 74 | 1980 - 2009 |
| Cambourne Woods, Cambridgeshire | England: South | 39 | 392.3 | 10 | < 1998 |
| Denham Marsh Wood, Buckinghamshire | England: South | 47 | 404.3 | 16 | 2008 |
| Hainault Forest, South Essex | England: South | 94 | 403.2 | 41 | 1970 - 2007 |
| 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 |
| Hardwick Park (NT), Derbyshire | England: Mid | 115 | 336.5 | 37 | 1984 - 2004 |
| Kennet Floodplain, Berkshire | England: South | 124 | 353.2 | 20 | 2003 |
| Erddig, Denbighshire | Wales | 67 | 283.6 | 14 | < 1999 |
| Priory Wood, Monmouthshire | Wales | 44 | 288.6 | 9 | < 2014 |
| Brocton Coppice, Staffordshire | England: Mid | 88 | 301.1 | 35 | < 2000 |
| Lawn Wood & Tortoiseshell Wood, South Lincolnshire | England: Mid | 49 | 273.5 | 11 | < 1998 |
| Parc Pont-faen, Cardiganshire | Wales | 45 | 253.3 | 10 | < 2002 |
| Hayling Way, River Cam, Cambridgeshire | England: South | 36 | 422.2 | 12 | < 1997 |
| Glasbury, River Wye, Radnorshire | Wales | 25 | 316.0 | 8 | < 1999 |
| Fenn's & Whixall Moss NNR, Shropshire | England: Mid | 30 | 276.7 | 5 | < 1994 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 366.3 | 47 | 1980 - 2002 |
| Badger Wood, Cambridgeshire | England: South | 29 | 344.8 | 7 | < 1998 |
| 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 |
| Carn Gafallt, Breconshire | Wales | 84 | 350.0 | 23 | < 2015 |
| Trent Valley , Nottinghamshire | England: Mid | 101 | 330.7 | 26 | 1997 - 2015 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 435.3 | 74 | 1992 - 2014 |
| Studley Royal, Mid-west Yorkshire | England: North | 100 | 328.0 | 33 | 1901 - 2016 |
| Croome Estate, Worcestershire | England: Mid | 175 | 616.6 | 109 | 1995 - 2016 |
| Shotover Hill, Oxfordshire | England: South | 155 | 434.8 | 71 | 1999 - 2017 |
| Haughmond Hill, Shropshire | England: Mid | 55 | 270.9 | 12 | 2009 - 2017 |
| Hatfield Forest, North Essex | England: South | 245 | 591.4 | 138 | 1986 - 2018 |
| Haddon Hall, Derbyshire | England: Mid | 28 | 403.6 | 10 | 2018 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 376.3 | 45 | 1988 - 2018 |
| Blickling Park (NT), East Norfolk | England: South | 117 | 378.6 | 43 | 1982 - 2019 |
| Lyme Park (NT), Cheshire | England: Mid | 56 | 217.9 | 5 | 1996 - 2019 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 543.6 | 110 | 1986 - 2020 |
| Dunham Massey Park (2021), Cheshire | England: Mid | 89 | 360.7 | 45 | 2021 |
| Tatton Park (2021), Cheshire | England: Mid | 102 | 424.5 | 45 | 2021 |
| Tatton Park (2011-21), Cheshire | England: Mid | 122 | 425.4 | 53 | 2011 - 2021 |
| Bainton Heath, Northamptonshire | England: Mid | 64 | 421.9 | 17 | 2011 |
| Birchall & Holwell Park Woods, Hertfordshire | England: South | 65 | 289.2 | 8 | 2014 - 2015 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 396.4 | 79 | 1993 - 2018 |
| Styal Woods and Country Park, Cheshire | England: Mid | 55 | 292.7 | 20 | 1985 - 2021 |
| Combermere Park, Cheshire | England: Mid | 83 | 383.1 | 42 | 2022 |
| Ickworth Park NT, West Suffolk | England: South | 176 | 506.8 | 74 | 1986 - 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 |
| 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 |
| Rutland Water Nature Reserve, Leicestershire (with Rutland) | England: Mid | 68 | 244.1 | 8 | 2021 - 2022 |
| 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 |
| Wicken Fen (NT), Cambridgeshire | England: South | 152 | 451.3 | 59 | 1980 - 2023 |
| Dinton Pastures Country Park, Berkshire | England: South | 143 | 488.1 | 52 | 1992 - 2023 |
Saproxylic Quality Index