| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 500.0 | 96 | 1960 - 2006 |
| Calke Abbey NT, Derbyshire | England: Mid | 165 | 422.4 | 74 | 1998 - 2004 |
| Buddon Wood (total), Leicestershire (with Rutland) | England: Mid | 124 | 397.6 | 36 | < 1988 |
| Forest of Dean, West Gloucestershire | England: Mid | 89 | 410.1 | 30 | 1965 - 1998 |
| Duncombe Park NNR, North-east Yorkshire | England: North | 93 | 409.7 | 42 | < 2000 |
| Cobham & Ashenbank Woods, West Kent | England: South | 105 | 369.5 | 33 | < 1998 |
| Powis Castle Park (total), Montgomeryshire | Wales | 170 | 380.0 | 70 | 1994 - 2003 |
| Bradgate Park (post 1980), Leicestershire (with Rutland) | England: Mid | 55 | 378.2 | 22 | 1981 - 1998 |
| 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 |
| Ashenbank Wood, West Kent | England: South | 57 | 310.5 | 12 | < 2014 |
| Croxton Park, Leicestershire (with Rutland) | England: Mid | 51 | 290.2 | 18 | < 1988 |
| Bedwyn Brail, South Wiltshire | England: South-West | 39 | 228.2 | 3 | 2000 - 2004 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 141 | 1996 - 2013 |
| Hylands Park (Total), South Essex | England: South | 74 | 258.1 | 13 | 1967 - 2003 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 343.9 | 25 | < 1998 |
| Melton Wood, South-west Yorkshire | England: North | 49 | 173.5 | 2 | < 2000 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 415.9 | 48 | < 1973 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 200 | < 2000 |
| Nupend Wood, Herefordshire | England: Mid | 46 | 406.5 | 18 | 2002 - 2003 |
| Oyster Wood, Surrey | England: South | 117 | 401.7 | 24 | < 1993 |
| Park Farm & Priory Woods, Staffordshire | England: Mid | 49 | 228.6 | 6 | < 2002 |
| Sidmouth Wood (Richmond Park), Surrey | England: South | 56 | 333.9 | 17 | < 2006 |
| Rotherfield Park, North Hampshire | England: South | 121 | 327.3 | 27 | 2002 |
| Sandall Beat, South-west Yorkshire | England: North | 64 | 271.9 | 5 | < 2000 |
| Scadbury Park, West Kent | England: South | 71 | 321.1 | 17 | < 1998 |
| Silwood Park, Berkshire | England: South | 159 | 613.2 | 86 | 1998 - 1999 |
| Thorne Moors, South-west Yorkshire | England: North | 86 | 269.8 | 16 | < 1985 |
| Virginia Water Woods, Berkshire | England: South | 73 | 464.4 | 33 | 2003 |
| Dunham Massey Park (Greater), Cheshire | England: Mid | 84 | 307.1 | 27 | < 1992 |
| Rug, Merionethshire | Wales | 47 | 240.4 | 8 | < 1994 |
| Richmond Park (total), Surrey | England: South | 253 | 628.5 | 157 | 1950 - 2006 |
| Moccas Park, Herefordshire | England: Mid | 239 | 566.5 | 138 | < 1998 |
| Croome Park, Worcestershire | England: Mid | 110 | 560.0 | 62 | < 1999 |
| Cowdray Park, West Sussex | England: South | 121 | 526.4 | 58 | 2011 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 128 | < 1979 |
| Arundel Park, West Sussex | England: South | 130 | 458.5 | 53 | < 1999 |
| Bookham Common (total), Surrey | England: South | 208 | 464.9 | 84 | < 2001 |
| Esher Commons (total), Surrey | England: South | 234 | 493.2 | 84 | < 2002 |
| Box Hill, Surrey | England: South | 225 | 552.0 | 67 | < 1997 |
| Dunham Park (total), Cheshire | England: Mid | 151 | 464.2 | 60 | < 1977 |
| Hatchlands Park, Surrey | England: South | 164 | 401.2 | 64 | < 2002 |
| Bookham Common (post-1980), Surrey | England: South | 176 | 440.9 | 61 | 1980 - 2001 |
| Mersham Hatch Estate, East Kent | England: South | 115 | 415.7 | 39 | < 1998 |
| Stanford PTA, West Norfolk | England: South | 183 | 416.9 | 74 | 1980 - 2009 |
| 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 |
| Cobham Park, West Kent | England: South | 88 | 376.1 | 29 | < 1998 |
| Kedleston Park NT, Derbyshire | England: Mid | 143 | 378.3 | 58 | < 2014 |
| Dinefwr Deer Park, Carmarthenshire | Wales | 156 | 385.3 | 57 | < 1999 |
| Hardwick Park (NT), Derbyshire | England: Mid | 115 | 350.4 | 37 | 1984 - 2004 |
| Bramshott Chase, Surrey | England: South | 138 | 337.0 | 34 | 1998 - 2003 |
| Kennet Floodplain, Berkshire | England: South | 124 | 352.4 | 20 | 2003 |
| Eridge Park, East Sussex | England: South | 80 | 310.0 | 17 | < 1999 |
| Penallt Woods, Monmouthshire | Wales | 57 | 291.2 | 11 | 2007 - 2013 |
| Piercefield Park, Monmouthshire | Wales | 43 | 288.4 | 12 | < 1999 |
| Clay Vallet Wood, Herefordshire | England: Mid | 58 | 298.3 | 11 | 2002 - 2003 |
| Lawn Wood & Tortoiseshell Wood, South Lincolnshire | England: Mid | 49 | 277.6 | 11 | < 1998 |
| Stackpole Estate, Pembrokeshire | Wales | 36 | 180.6 | 3 | < 2003 |
| Pwl-Mawr, Penallt, Monmouthshire | Wales | 16 | 243.8 | 1 | 2013 |
| Merthyr Mawr, Glamorganshire | Wales | 31 | 248.4 | 5 | < 1998 |
| Arundel Park (post 1987), West Sussex | England: South | 39 | 364.1 | 13 | 1988 - 1999 |
| Bishopston Valley, Glamorganshire | Wales | 31 | 229.0 | 3 | 1994 - 2002 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Gibside, County Durham | England: North | 83 | 400.0 | 13 | < 1992 |
| Tavistock Wood, North Devon | England: South-West | 32 | 281.3 | 5 | < 1999 |
| Castle Eden Dene, County Durham | England: North | 32 | 325.0 | 3 | < 1974 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 366.3 | 47 | 1980 - 2002 |
| Eastnor Park, Herefordshire | England: Mid | 93 | 393.5 | 46 | < 2010 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 535.1 | 110 | 1980 - 2006 |
| Carn Gafallt, Breconshire | Wales | 84 | 352.4 | 23 | < 2015 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 437.1 | 74 | 1992 - 2014 |
| Buddon Wood (post 1980), Leicestershire (with Rutland) | England: Mid | 79 | 305.1 | 14 | 1980 - 1988 |
| Studley Royal, Mid-west Yorkshire | England: North | 100 | 342.0 | 33 | 1901 - 2016 |
| Croome Estate, Worcestershire | England: Mid | 175 | 597.1 | 109 | 1995 - 2016 |
| Polesden Lacy & Ranmore Common NT, Surrey | England: South | 49 | 244.9 | 4 | 1996 - 2011 |
| Dartington Hall Estate, South Devon | England: South-West | 89 | 377.5 | 14 | 2010 - 2017 |
| Hatfield Forest, North Essex | England: South | 245 | 568.6 | 138 | 1986 - 2018 |
| Castle Drogo (NT), South Devon | England: South-West | 79 | 402.5 | 35 | 1996 - 2016 |
| Sutton Park (up to 1998), Warwickshire | England: Mid | 66 | 243.9 | 16 | < 1998 |
| Sutton Park (1996-2019), Warwickshire | England: Mid | 57 | 296.5 | 14 | 1996 - 2019 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 382.2 | 45 | 1988 - 2018 |
| Attingham Park NT, Shropshire | England: Mid | 102 | 312.7 | 37 | 1985 - 2013 |
| Sherrardspark Wood SSSI, Hertfordshire | England: South | 89 | 371.9 | 36 | 2008 - 2020 |
| Sharpenhoe (NT), Bedfordshire | England: South | 54 | 238.9 | 6 | 1986 - 2020 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 555.6 | 110 | 1986 - 2020 |
| Dunham Massey Park (2021), Cheshire | England: Mid | 89 | 377.5 | 45 | 2021 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 500.5 | 85 | 1988 - 2020 |
| Styal Woods and Country Park, Cheshire | England: Mid | 55 | 312.7 | 20 | 1985 - 2021 |
| Wye Valley Woods SAC, Monmouthshire | Wales | 132 | 448.5 | 49 | 1994 - 2018 |
| Little Doward Wood, West Gloucestershire | England: Mid | 80 | 402.5 | 36 | 2004 - 2021 |
| Danesbury Park, Welwyn, Hertfordshire | England: South | 48 | 258.3 | 5 | 2000 - 2022 |
| Robinson Place Farm, Westmorland (with Furness) | England: North | 53 | 224.5 | 9 | 2021 - 2022 |
| Priory Wood, Staffordshire | England: Mid | 48 | 218.8 | 6 | 1980 - 2023 |
| Ickworth Park NT, West Suffolk | England: South | 176 | 497.7 | 74 | 1986 - 2022 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 530.8 | 92 | 1990 - 2022 |
| Clumber Park (NT), Nottinghamshire | England: Mid | 177 | 422.0 | 75 | 1990 - 2023 |
| Clumber Park 2023, Nottinghamshire | England: Mid | 124 | 462.1 | 66 | 2023 |
| Studley Park, Mid-west Yorkshire | England: North | 43 | 372.1 | 19 | 2017 - 2023 |
| Ashtead Common NNR, Surrey | England: South | 282 | 633.7 | 161 | < 2023 |
| Abney Park Cemetery, Middlesex | England: South | 86 | 489.5 | 28 | 2006 - 2024 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 624.6 | 175 | < 2022 |
| Bredon Hill, Worcestershire | England: Mid | 218 | 613.8 | 140 | 1970 - 2021 |
| Barnes Common, Surrey | England: South | 81 | 550.6 | 40 | 2020 - 2024 |
| Weald Country Park (total), South Essex | England: South | 128 | 495.3 | 63 | < 2010 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 203 | 498.0 | 90 | 1986 - 2023 |
| Wicken Fen (NT), Cambridgeshire | England: South | 152 | 447.4 | 59 | 1980 - 2023 |
| Turnworth Common, Dorset | England: South-West | 120 | 475.0 | 62 | 2018 - 2023 |
| Danbury Common (NT) & Danbury Park, South Essex | England: South | 120 | 417.5 | 40 | 1976 - 2019 |
| Burnham Beeches (s.s.), Buckinghamshire | England: South | 263 | 592.0 | 154 | < 2022 |
Saproxylic Quality Index