| 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 |
| Forest of Dean, West Gloucestershire | England: Mid | 89 | 428.1 | 30 | 1965 - 1998 |
| Cobham & Ashenbank Woods, West Kent | England: South | 105 | 377.1 | 33 | < 1998 |
| Bradgate Park (post 1980), Leicestershire (with Rutland) | England: Mid | 55 | 383.6 | 22 | 1981 - 1998 |
| Bradgate Park (total), Leicestershire (with Rutland) | England: Mid | 84 | 356.0 | 29 | < 1998 |
| Ashton Court, North Somerset | England: South-West | 79 | 283.5 | 23 | < 2002 |
| Langley Wood, South Wiltshire | England: South-West | 67 | 400.0 | 23 | 1980 - 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 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 351.2 | 25 | < 1998 |
| Longdon Marsh, Worcestershire | England: Mid | 57 | 578.9 | 39 | 2000 - 2002 |
| Lullingstone Park, West Kent | England: South | 105 | 464.8 | 42 | < 1977 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 414.0 | 48 | < 1973 |
| Park Farm & Priory Woods, Staffordshire | England: Mid | 49 | 220.4 | 6 | < 2002 |
| Rotherfield Park, North Hampshire | England: South | 121 | 315.7 | 27 | 2002 |
| Sandall Beat, South-west Yorkshire | England: North | 64 | 264.1 | 5 | < 2000 |
| Savernake Forest, South Wiltshire | England: South-West | 111 | 435.1 | 50 | < 2004 |
| Scadbury Park, West Kent | England: South | 71 | 319.7 | 17 | < 1998 |
| Site A, Evesham, Worcestershire | England: Mid | 73 | 502.7 | 40 | < 1996 |
| Staverton Park, East Suffolk | England: South | 106 | 416.0 | 48 | < 1986 |
| Thorne Moors, South-west Yorkshire | England: North | 86 | 264.0 | 16 | < 1985 |
| Thursley Commons, Surrey | England: South | 128 | 371.1 | 34 | < 2002 |
| Ulverscroft, Leicestershire (with Rutland) | England: Mid | 47 | 197.9 | 10 | < 1998 |
| Virginia Water Woods, Berkshire | England: South | 73 | 502.7 | 33 | 2003 |
| Walcot Park, Shropshire | England: Mid | 39 | 297.4 | 11 | < 1991 |
| Woolmer Forest, North Hampshire | England: South | 97 | 305.2 | 16 | 1950 - 2003 |
| Cirencester Park, East Gloucestershire | England: Mid | 76 | 314.5 | 24 | < 1999 |
| 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 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 663.4 | 18 | < 1994 |
| Hampton Court Park, Middlesex | England: South | 87 | 524.1 | 41 | 2011 - 2013 |
| Arundel Park, West Sussex | England: South | 130 | 475.4 | 53 | < 1999 |
| Bookham Common (total), Surrey | England: South | 208 | 475.5 | 84 | < 2001 |
| Esher Commons (total), Surrey | England: South | 234 | 498.3 | 84 | < 2002 |
| Box Hill, Surrey | England: South | 225 | 550.7 | 67 | < 1997 |
| Dunham Park (total), Cheshire | England: Mid | 151 | 468.9 | 60 | < 1977 |
| Ebernoe Common, West Sussex | England: South | 141 | 507.1 | 53 | < 2011 |
| 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 |
| Hainault Forest, South Essex | England: South | 94 | 403.2 | 41 | 1970 - 2007 |
| Buxted Park, East Sussex | England: South | 134 | 394.0 | 43 | < 1999 |
| Chiddingfold Woods, Surrey | England: South | 164 | 371.3 | 37 | < 2003 |
| Highgate Wood, Middlesex | England: South | 107 | 404.7 | 36 | < 2002 |
| Cobham Park, West Kent | England: South | 88 | 385.2 | 29 | < 1998 |
| Kedleston Park NT, Derbyshire | England: Mid | 143 | 372.7 | 58 | < 2014 |
| Dingestow Court, Monmouthshire | Wales | 52 | 280.8 | 5 | 2007 - 2014 |
| Hardwick Park (NT), Derbyshire | England: Mid | 115 | 336.5 | 37 | 1984 - 2004 |
| Bramshott Chase, Surrey | England: South | 138 | 329.0 | 34 | 1998 - 2003 |
| Ash Ranges, Surrey | England: South | 121 | 331.4 | 25 | 1997 - 2003 |
| Eridge Park, East Sussex | England: South | 80 | 308.8 | 17 | < 1999 |
| Milton-Lockhart Estate, Lanarkshire | Scotland | 55 | 336.4 | 12 | < 2009 |
| Bentley Park Wood, Warwickshire | England: Mid | 62 | 264.5 | 12 | < 2000 |
| Erddig, Denbighshire | Wales | 67 | 283.6 | 14 | < 1999 |
| Stansted Woodlands & Veteran Trees, North Essex | England: South | 43 | 276.7 | 6 | < 2014 |
| Brocton Coppice, Staffordshire | England: Mid | 88 | 301.1 | 35 | < 2000 |
| Brilley Green Dingle, Herefordshire | England: Mid | 61 | 291.8 | 9 | < 2014 |
| Parc Pont-faen, Cardiganshire | Wales | 45 | 253.3 | 10 | < 2002 |
| Parc Nanteos, Cardiganshire | Wales | 45 | 233.3 | 7 | < 1999 |
| Coed Rheidol NNR, Cardiganshire | Wales | 13 | 161.5 | 0 | 1987 - 1992 |
| Coed Allt Craig Arth, Cardiganshire | Wales | 22 | 290.9 | 1 | < 1992 |
| Cwm Clydach NNR, Breconshire | Wales | 24 | 279.2 | 9 | 1990 - 2002 |
| Coedydd Afon Gwynant, Merionethshire | Wales | 26 | 284.6 | 7 | 1998 |
| Coed Mynachlog-fawr, Cardiganshire | Wales | 29 | 251.7 | 3 | < 1994 |
| Plas Gogerddan/Coed allt-ddel, Cardiganshire | Wales | 21 | 147.6 | 0 | < 1998 |
| Trawscoed, Cardiganshire | Wales | 12 | 325.0 | 8 | < 1998 |
| Fenn's & Whixall Moss NNR, Shropshire | England: Mid | 30 | 276.7 | 5 | < 1994 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Gibside, County Durham | England: North | 83 | 397.6 | 13 | < 1992 |
| Bothwell Castle, Lanarkshire | Scotland | 38 | 342.1 | 13 | < 2011 |
| Harewood Forest, North Hampshire | England: South | 64 | 290.6 | 20 | < 1975 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 366.3 | 47 | 1980 - 2002 |
| Eastnor Park, Herefordshire | England: Mid | 93 | 412.9 | 46 | < 2010 |
| Donington Park (total), Leicestershire (with Rutland) | England: Mid | 122 | 438.5 | 53 | 1971 - 2014 |
| Donington Park SSSI (2014), Leicestershire (with Rutland) | England: Mid | 40 | 385.0 | 15 | 2014 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 539.0 | 110 | 1980 - 2006 |
| Carn Gafallt, Breconshire | Wales | 84 | 350.0 | 23 | < 2015 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 435.3 | 74 | 1992 - 2014 |
| Coedydd Mawddach, Merionethshire | Wales | 36 | 275.0 | 10 | 1975 - 2015 |
| Bothwell Castle (update), Ayrshire | Scotland | 35 | 320.0 | 13 | 1960 - 2016 |
| Buddon Wood (post 1980), Leicestershire (with Rutland) | England: Mid | 79 | 308.9 | 14 | 1980 - 1988 |
| 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 |
| Wyre Forest , Worcestershire | England: Mid | 126 | 415.9 | 39 | 1980 - 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 |
| Castle Drogo (NT), South Devon | England: South-West | 79 | 392.4 | 35 | 1996 - 2016 |
| Grace Dieu Wood, Leicestershire (with Rutland) | England: Mid | 39 | 212.8 | 7 | 1927 - 2012 |
| Sutton Park (up to 1998), Warwickshire | England: Mid | 66 | 230.3 | 16 | < 1998 |
| Sutton Park (1996-2019), Warwickshire | England: Mid | 57 | 303.5 | 14 | 1996 - 2019 |
| Woodwalton Fen NNR, Huntingdonshire | England: Mid | 57 | 333.3 | 16 | 1961 - 2019 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 376.3 | 45 | 1988 - 2018 |
| Attingham Park NT, Shropshire | England: Mid | 102 | 308.8 | 37 | 1985 - 2013 |
| Sherrardspark Wood SSSI, Hertfordshire | England: South | 89 | 368.5 | 36 | 2008 - 2020 |
| Sharpenhoe (NT), Bedfordshire | England: South | 54 | 227.8 | 6 | 1986 - 2020 |
| Lyme Park (NT), Cheshire | England: Mid | 56 | 217.9 | 5 | 1996 - 2019 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 543.6 | 110 | 1986 - 2020 |
| Dunster Deer Park, South Somerset | England: South-West | 61 | 295.1 | 23 | 1995 - 2011 |
| Nettlecombe Park, South Somerset | England: South-West | 129 | 334.9 | 57 | 1988 - 2019 |
| Auchinleck Estate, Ayrshire | Scotland | 41 | 278.0 | 9 | 2000 - 2021 |
| East Chatteris, Cambridgeshire | England: South | 63 | 319.0 | 16 | 2015 |
| 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 |
| Danesbury Park, Welwyn, Hertfordshire | England: South | 48 | 260.4 | 5 | 2000 - 2022 |
| Priory Wood, Staffordshire | England: Mid | 48 | 210.4 | 6 | 1980 - 2023 |
| Capstone, East Kent | England: South | 58 | 237.9 | 5 | 2000 - 2021 |
| 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 |
| Tyntesfield (NT), North Somerset | England: South-West | 61 | 263.9 | 11 | 2010 - 2022 |
| Ashtead Common NNR, Surrey | England: South | 282 | 635.1 | 161 | < 2023 |
| Burnham Beeches, Buckinghamshire | England: South | 263 | 599.6 | 154 | < 2022 |
| Abney Park Cemetery, Middlesex | England: South | 86 | 509.3 | 28 | 2006 - 2024 |
| 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 |
| 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 |
| Danbury Common (NT) & Danbury Park, South Essex | England: South | 120 | 431.7 | 40 | 1976 - 2019 |
| Dinton Pastures Country Park, Berkshire | England: South | 145 | 488.3 | 52 | 1992 - 2024 |
Saproxylic Quality Index