| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 493.9 | 96 | 1960 - 2006 |
| Danbury Common & Danbury Park, South Essex | England: South | 109 | 417.4 | 34 | 1976 - 2009 |
| Cobham & Ashenbank Woods, West Kent | England: South | 105 | 377.1 | 33 | < 1998 |
| Ashton Court, North Somerset | England: South-West | 79 | 283.5 | 23 | < 2002 |
| Ashenbank Wood, West Kent | England: South | 57 | 307.0 | 12 | < 2014 |
| Bowcastle Farm Orchards, Worcestershire | England: Mid | 50 | 332.0 | 14 | < 2005 |
| Grimsthorpe Park, South Lincolnshire | England: Mid | 147 | 461.9 | 77 | < 2014 |
| Hylands Park (Total), South Essex | England: South | 74 | 254.1 | 13 | 1967 - 2003 |
| Lea & Pagets Wood, Herefordshire | England: Mid | 55 | 307.3 | 3 | 2003 |
| 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 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 414.0 | 48 | < 1973 |
| New Forest, South Hampshire | England: South | 324 | 782.7 | 200 | < 2000 |
| Nupend Wood, Herefordshire | England: Mid | 46 | 397.8 | 18 | 2002 - 2003 |
| Scadbury Park, West Kent | England: South | 71 | 319.7 | 17 | < 1998 |
| Short Wood, Northamptonshire | England: Mid | 93 | 305.4 | 14 | < 1999 |
| White Rocks, Herefordshire | England: Mid | 43 | 330.2 | 9 | 2002 - 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 |
| Cowdray Park, West Sussex | England: South | 121 | 543.0 | 58 | 2011 |
| Epping Forest, South Essex | England: South | 252 | 560.3 | 128 | < 1979 |
| Cliveden NT, Buckinghamshire | England: South | 71 | 501.4 | 33 | 2008 |
| Shrubland Estate, East Suffolk | England: South | 91 | 512.1 | 38 | 1975 - 2005 |
| Box Hill, Surrey | England: South | 225 | 550.7 | 67 | < 1997 |
| 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 |
| Cobham Park, West Kent | England: South | 88 | 385.2 | 29 | < 1998 |
| Kedleston Park NT, Derbyshire | England: Mid | 143 | 372.7 | 58 | < 2014 |
| Drayton Copse, Oxfordshire | England: South | 76 | 339.5 | 19 | < 1999 |
| Hutchin's Copse, Oxfordshire | England: South | 78 | 334.6 | 16 | < 1999 |
| Kennet Floodplain, Berkshire | England: South | 124 | 353.2 | 20 | 2003 |
| Clytha Park, Monmouthshire | Wales | 48 | 329.2 | 16 | 1997 - 2002 |
| The Devenish, South Wiltshire | England: South-West | 74 | 309.5 | 15 | 1994 - 2004 |
| Brocton Coppice, Staffordshire | England: Mid | 88 | 301.1 | 35 | < 2000 |
| Clay Vallet Wood, Herefordshire | England: Mid | 58 | 286.2 | 11 | 2002 - 2003 |
| Merthyr Mawr, Glamorganshire | Wales | 31 | 248.4 | 5 | < 1998 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Denny Wood, South Hampshire | England: South | 27 | 329.6 | 9 | 2002 |
| 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 |
| 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 |
| Croft Castle, Herefordshire | England: Mid | 121 | 399.2 | 52 | < 2012 |
| 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 |
| Lanhydrock Estate (NT), East Cornwall | England: South-West | 65 | 315.4 | 23 | < 2008 |
| Hatfield Forest, North Essex | England: South | 245 | 591.4 | 138 | 1986 - 2018 |
| Beningbrough Parkland, North-east Yorkshire | England: North | 68 | 297.1 | 15 | 1987 - 2019 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 543.6 | 110 | 1986 - 2020 |
| 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 |
| Wye Valley Woods SAC, Monmouthshire | Wales | 132 | 456.1 | 49 | 1994 - 2018 |
| Combermere Park, Cheshire | England: Mid | 83 | 383.1 | 42 | 2022 |
| Pwll y Wrach, Breconshire | Wales | 13 | 207.7 | 1 | 2000 - 2022 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 551.3 | 92 | 1990 - 2022 |
| Cwrt-yr-ala, Glamorganshire | Wales | 43 | 441.9 | 7 | < 1997 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 620.3 | 158 | 1950 - 2021 |
| 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 |
| 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 |
| Danbury Common (NT) & Danbury Park, South Essex | England: South | 120 | 431.7 | 40 | 1976 - 2019 |
Saproxylic Quality Index