| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 493.9 | 96 | 1960 - 2006 |
| Calke Abbey NT, Derbyshire | England: Mid | 165 | 417.6 | 74 | 1998 - 2004 |
| 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 |
| Cobham & Ashenbank Woods, West Kent | England: South | 105 | 377.1 | 33 | < 1998 |
| Ashton Court, North Somerset | England: South-West | 79 | 283.5 | 23 | < 2002 |
| Bowcastle Farm Orchards, Worcestershire | England: Mid | 50 | 332.0 | 14 | < 2005 |
| Grimsthorpe Park, South Lincolnshire | England: Mid | 147 | 461.9 | 77 | < 2014 |
| Wicken Fen, Cambridgeshire | England: South | 131 | 437.4 | 42 | 1978 - 2013 |
| 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 |
| Longdon Marsh, Worcestershire | England: Mid | 57 | 578.9 | 39 | 2000 - 2002 |
| Longleat, South Wiltshire | England: South-West | 46 | 280.4 | 11 | 1994 - 2004 |
| Hylands Park (2000-03), South Essex | England: South | 61 | 270.5 | 13 | 2000 - 2003 |
| Lullingstone Park, West Kent | England: South | 105 | 464.8 | 42 | < 1977 |
| New Forest, South Hampshire | England: South | 324 | 782.7 | 200 | < 2000 |
| Pipers Hill, Worcestershire | England: Mid | 43 | 441.9 | 20 | < 2003 |
| Scadbury Park, West Kent | England: South | 71 | 319.7 | 17 | < 1998 |
| Virginia Water Woods, Berkshire | England: South | 73 | 502.7 | 33 | 2003 |
| 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 |
| Arundel Park, West Sussex | England: South | 130 | 475.4 | 53 | < 1999 |
| Bookham Common (total), Surrey | England: South | 208 | 475.5 | 84 | < 2001 |
| Icklingham Plains Area, West Suffolk | England: South | 75 | 469.3 | 31 | 1976 - 1997 |
| Esher Commons (total), Surrey | England: South | 234 | 498.3 | 84 | < 2002 |
| Box Hill, Surrey | England: South | 225 | 550.7 | 67 | < 1997 |
| Hatchlands Park, Surrey | England: South | 164 | 407.3 | 64 | < 2002 |
| Stanford PTA, West Norfolk | England: South | 183 | 414.8 | 74 | 1980 - 2009 |
| The Mens, West Sussex | England: South | 139 | 441.0 | 56 | < 2010 |
| Denham Marsh Wood, Buckinghamshire | England: South | 47 | 404.3 | 16 | 2008 |
| 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 |
| Dinefwr Deer Park, Carmarthenshire | Wales | 156 | 362.8 | 57 | < 1999 |
| Dingestow Court, Monmouthshire | Wales | 52 | 280.8 | 5 | 2007 - 2014 |
| Ash Ranges, Surrey | England: South | 121 | 331.4 | 25 | 1997 - 2003 |
| Downham Woodland Walk, West Kent | England: South | 46 | 295.7 | 11 | 2002 |
| Clytha Park, Monmouthshire | Wales | 48 | 329.2 | 16 | 1997 - 2002 |
| Llanover Park, Monmouthshire | Wales | 118 | 330.5 | 37 | < 1996 |
| Eridge Park, East Sussex | England: South | 80 | 308.8 | 17 | < 1999 |
| Blean Woods Complex, East Kent | England: South | 50 | 280.0 | 14 | < 1999 |
| Mill Bank, Penallt, Monmouthshire | Wales | 43 | 297.7 | 9 | < 2014 |
| Penallt Woods, Monmouthshire | Wales | 57 | 291.2 | 11 | 2007 - 2013 |
| 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 |
| Hayling Way, River Cam, Cambridgeshire | England: South | 36 | 422.2 | 12 | < 1997 |
| Wyelands, Monmouthshire | Wales | 28 | 353.6 | 15 | 1994 - 1999 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Harewood Forest, North Hampshire | England: South | 64 | 290.6 | 20 | < 1975 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 366.3 | 47 | 1980 - 2002 |
| Donington Park (total), Leicestershire (with Rutland) | England: Mid | 122 | 438.5 | 53 | 1971 - 2014 |
| Donington Park (<1994), Leicestershire (with Rutland) | England: Mid | 79 | 424.1 | 38 | < 1994 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 539.0 | 110 | 1980 - 2006 |
| Carn Gafallt, Breconshire | Wales | 84 | 350.0 | 23 | < 2015 |
| Cobham Woods NT, West Kent | England: South | 70 | 380.0 | 30 | 2014 |
| Stowe, Buckinghamshire | England: South | 106 | 467.0 | 58 | 1990 - 2015 |
| Brockworth Great Park, East Gloucestershire | England: Mid | 36 | 469.4 | 15 | 2000 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 435.3 | 74 | 1992 - 2014 |
| Burley Wood, Leicestershire (with Rutland) | England: Mid | 72 | 269.4 | 12 | < 1988 |
| Burley-on-the-Hill Estate, Leicestershire (with Rutland) | England: Mid | 90 | 302.2 | 19 | 1988 - 2016 |
| Perivale Wood, Middlesex | England: South | 53 | 471.7 | 17 | 2013 - 2016 |
| Hanbury Park, Worcestershire | England: Mid | 58 | 501.7 | 26 | 1998 - 2016 |
| Berrington Hall, Herefordshire | England: Mid | 49 | 371.4 | 13 | 1984 - 2011 |
| Croft Castle, Herefordshire | England: Mid | 121 | 399.2 | 52 | < 2012 |
| Croome Estate, Worcestershire | England: Mid | 175 | 616.6 | 109 | 1995 - 2016 |
| Wyre Forest , Worcestershire | England: Mid | 126 | 415.9 | 39 | 1980 - 2017 |
| Dartington Hall Estate, South Devon | England: South-West | 89 | 351.7 | 14 | 2010 - 2017 |
| Hatfield Forest, North Essex | England: South | 245 | 591.4 | 138 | 1986 - 2018 |
| Castle Drogo (NT), South Devon | England: South-West | 79 | 392.4 | 35 | 1996 - 2016 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 186 | 525.8 | 81 | 1976 - 2019 |
| Dinton Pastures, Berkshire | England: South | 127 | 473.2 | 43 | 2012 - 2020 |
| Attingham Park NT, Shropshire | England: Mid | 102 | 308.8 | 37 | 1985 - 2013 |
| Sherrardspark Wood SSSI, Hertfordshire | England: South | 89 | 368.5 | 36 | 2008 - 2020 |
| 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 |
| Millichope Park, Shropshire | England: Mid | 103 | 394.2 | 52 | 2020 - 2021 |
| East Chatteris, Cambridgeshire | England: South | 63 | 319.0 | 16 | 2015 |
| Tugford Wood Pasture, Shropshire | England: Mid | 65 | 373.8 | 26 | 2021 |
| 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 |
| Little Doward Wood, West Gloucestershire | England: Mid | 80 | 408.8 | 36 | 2004 - 2021 |
| Combermere Park, Cheshire | England: Mid | 83 | 383.1 | 42 | 2022 |
| 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 |
| Barnes Common, Surrey | England: South | 77 | 576.6 | 39 | 2021 - 2023 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 620.3 | 158 | 1950 - 2021 |
| Sydenham Hill & Dulwich Woods, Surrey | England: South | 92 | 406.5 | 30 | 1997 - 2023 |
| Weald Country Park, South Essex | England: South | 128 | 503.1 | 63 | < 2010 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 526.8 | 69 | < 2023 |
| Ashtead Common <1998, Surrey | England: South | 220 | 555.9 | 96 | < 1998 |
| 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 |
| Barnes Common, Surrey | England: South | 81 | 574.1 | 40 | 2020 - 2024 |
| Bredon Hill, Worcestershire | England: Mid | 218 | 633.9 | 140 | 1970 - 2021 |
Saproxylic Quality Index