| Swanton Novers, West Norfolk | England: South | 95 | 337.9 | 32 | 1981 - 2010 |
| Cobham & Ashenbank Woods, West Kent | England: South | 105 | 369.5 | 33 | < 1998 |
| Grimsthorpe Park, South Lincolnshire | England: Mid | 147 | 461.9 | 78 | < 2014 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 142 | 1996 - 2013 |
| Virginia Water Woods, Berkshire | England: South | 73 | 464.4 | 34 | 2003 |
| Woolmer Forest, North Hampshire | England: South | 97 | 291.8 | 16 | 1950 - 2003 |
| Langley Park, Buckinghamshire | England: South | 152 | 649.3 | 111 | 1979 - 2008 |
| Richmond Park (total), Surrey | England: South | 253 | 628.5 | 158 | 1950 - 2006 |
| Cowdray Park, West Sussex | England: South | 121 | 526.4 | 59 | 2011 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 129 | < 1979 |
| Hampton Court Park, Middlesex | England: South | 87 | 489.7 | 41 | 2011 - 2013 |
| Shrubland Estate, East Suffolk | England: South | 91 | 498.9 | 38 | 1975 - 2005 |
| Bookham Common (total), Surrey | England: South | 208 | 464.9 | 84 | < 2001 |
| Esher Commons (total), Surrey | England: South | 234 | 493.2 | 85 | < 2002 |
| Ebernoe Common, West Sussex | England: South | 141 | 497.9 | 53 | < 2011 |
| Hatchlands Park, Surrey | England: South | 164 | 401.2 | 64 | < 2002 |
| Bookham Common (post-1980), Surrey | England: South | 176 | 440.9 | 61 | 1980 - 2001 |
| Stanford PTA, West Norfolk | England: South | 183 | 416.9 | 74 | 1980 - 2009 |
| Chiddingfold Woods, Surrey | England: South | 164 | 371.3 | 37 | < 2003 |
| Cobham Park, West Kent | England: South | 88 | 376.1 | 29 | < 1998 |
| Ash Ranges, Surrey | England: South | 121 | 330.6 | 25 | 1997 - 2003 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 255 | < 1998 |
| Pamber Forest & Silchester Common, North Hampshire | England: South | 53 | 449.1 | 19 | 1988 - 2005 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 366.3 | 47 | 1980 - 2002 |
| Eastnor Park, Herefordshire | England: Mid | 93 | 393.5 | 47 | < 2010 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 535.1 | 111 | 1980 - 2006 |
| Trent Valley , Nottinghamshire | England: Mid | 101 | 332.7 | 26 | 1997 - 2015 |
| Shugborough, Staffordshire | England: Mid | 39 | 369.2 | 18 | 1985 - 2015 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 437.1 | 75 | 1992 - 2014 |
| Burley-on-the-Hill Estate, Leicestershire (with Rutland) | England: Mid | 90 | 303.3 | 19 | 1988 - 2016 |
| Hanbury Park, Worcestershire | England: Mid | 38 | 436.8 | 13 | 2008 - 2016 |
| Hanbury Park, Worcestershire | England: Mid | 58 | 501.7 | 26 | 1998 - 2016 |
| Croft Castle, Herefordshire | England: Mid | 121 | 404.1 | 52 | < 2012 |
| Croome Estate, Worcestershire | England: Mid | 175 | 597.1 | 110 | 1995 - 2016 |
| Gunby Park, North Lincolnshire | England: Mid | 18 | 261.1 | 2 | < 2017 |
| Hatfield Forest, North Essex | England: South | 245 | 568.6 | 139 | 1986 - 2018 |
| Grace Dieu Wood, Leicestershire (with Rutland) | England: Mid | 39 | 205.1 | 7 | 1927 - 2012 |
| Sutton Park (1996-2019), Warwickshire | England: Mid | 57 | 296.5 | 14 | 1996 - 2019 |
| Woodwalton Fen NNR, Huntingdonshire | England: Mid | 57 | 315.8 | 16 | 1961 - 2019 |
| Sherrardspark Wood SSSI, Hertfordshire | England: South | 89 | 371.9 | 36 | 2008 - 2020 |
| Blickling Park (NT), East Norfolk | England: South | 117 | 376.9 | 43 | 1982 - 2019 |
| Flatford Mill and Dedham Vale (NT), East Suffolk | England: South | 74 | 437.8 | 19 | 1995 - 2020 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 555.6 | 111 | 1986 - 2020 |
| Tatton Park (2021), Cheshire | England: Mid | 102 | 432.4 | 46 | 2021 |
| Tatton Park (2011-21), Cheshire | England: Mid | 122 | 427.0 | 54 | 2011 - 2021 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 500.5 | 85 | 1988 - 2020 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 404.6 | 80 | 1993 - 2018 |
| Danesbury Park, Welwyn, Hertfordshire | England: South | 48 | 258.3 | 5 | 2000 - 2022 |
| Ickworth Park NT, West Suffolk | England: South | 176 | 497.7 | 74 | 1986 - 2022 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 530.8 | 93 | 1990 - 2022 |
| Ham Lands, Surrey | England: South | 67 | 379.1 | 16 | 2010 - 2023 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 600.4 | 159 | 1950 - 2021 |
| Sydenham Hill & Dulwich Woods, Surrey | England: South | 92 | 387.0 | 30 | 1997 - 2023 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 511.3 | 69 | < 2023 |
| Thorndon Park SSSI, South Essex | England: South | 66 | 553.0 | 48 | 2023 |
| Abney Park Cemetery, Middlesex | England: South | 86 | 489.5 | 29 | 2006 - 2024 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 624.6 | 176 | < 2022 |
| 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 | 91 | 1986 - 2023 |
| Wicken Fen (NT), Cambridgeshire | England: South | 152 | 447.4 | 59 | 1980 - 2023 |
| Danbury Common (NT) & Danbury Park, South Essex | England: South | 120 | 417.5 | 40 | 1976 - 2019 |
| Railway Covert, Huntingdonshire | England: Mid | 62 | 396.8 | 21 | 2024 |
| Little Doward Woods, Herefordshire | England: Mid | 200 | 554.5 | 96 | 2024 |
| Knowsley Safari Park, South Lancashire | England: North | 56 | 391.1 | 21 | 2024 |
| Bredon Hill, Worcestershire | England: Mid | 230 | 597.0 | 145 | 1970 - 2025 |
Saproxylic Quality Index