| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 500.0 | 96 | 1960 - 2006 |
| Calke Abbey NT, Derbyshire | England: Mid | 165 | 422.4 | 74 | 1998 - 2004 |
| Swanton Novers, West Norfolk | England: South | 95 | 337.9 | 32 | 1981 - 2010 |
| Powis Castle Park (total), Montgomeryshire | Wales | 170 | 380.0 | 70 | 1994 - 2003 |
| 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 |
| Lea & Pagets Wood, Herefordshire | England: Mid | 55 | 334.5 | 3 | 2003 |
| Longdon Marsh, Worcestershire | England: Mid | 57 | 556.1 | 39 | 2000 - 2002 |
| Hylands Park (2000-03), South Essex | England: South | 61 | 275.4 | 13 | 2000 - 2003 |
| Lullingstone Park, West Kent | England: South | 105 | 473.3 | 42 | < 1977 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 415.9 | 48 | < 1973 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 200 | < 2000 |
| River Soar, Leicestershire (with Rutland) | England: Mid | 66 | 304.5 | 12 | < 1980 |
| Rotherfield Park, North Hampshire | England: South | 121 | 327.3 | 27 | 2002 |
| Sandall Beat, South-west Yorkshire | England: North | 64 | 271.9 | 5 | < 2000 |
| Short Wood, Northamptonshire | England: Mid | 93 | 295.7 | 14 | < 1999 |
| Walcot Park, Shropshire | England: Mid | 39 | 310.3 | 11 | < 1991 |
| Woolmer Forest, North Hampshire | England: South | 97 | 291.8 | 16 | 1950 - 2003 |
| Rug, Merionethshire | Wales | 47 | 240.4 | 8 | < 1994 |
| Langley Park, Buckinghamshire | England: South | 152 | 649.3 | 110 | 1979 - 2008 |
| Richmond Park (total), Surrey | England: South | 253 | 628.5 | 157 | 1950 - 2006 |
| Moccas Park, Herefordshire | England: Mid | 239 | 566.5 | 138 | < 1998 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 128 | < 1979 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 678.2 | 18 | < 1994 |
| Cliveden NT, Buckinghamshire | England: South | 71 | 512.7 | 33 | 2008 |
| Icklingham Plains Area, West Suffolk | England: South | 75 | 437.3 | 31 | 1976 - 1997 |
| Esher Commons (total), Surrey | England: South | 234 | 493.2 | 84 | < 2002 |
| Box Hill, Surrey | England: South | 225 | 552.0 | 67 | < 1997 |
| Stanford PTA, West Norfolk | England: South | 183 | 416.9 | 74 | 1980 - 2009 |
| Dingestow Court, Monmouthshire | Wales | 52 | 284.6 | 5 | 2007 - 2014 |
| Bramshott Chase, Surrey | England: South | 138 | 337.0 | 34 | 1998 - 2003 |
| Llanover Park, Monmouthshire | Wales | 118 | 342.4 | 37 | < 1996 |
| Hafod Estate, Cardiganshire | Wales | 25 | 268.0 | 3 | < 1998 |
| Ashtead Common (Underground), Surrey | England: South | 28 | 660.7 | 18 | < 2014 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Eastnor Park, Herefordshire | England: Mid | 93 | 393.5 | 46 | < 2010 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 437.1 | 74 | 1992 - 2014 |
| Burley-on-the-Hill Estate, Leicestershire (with Rutland) | England: Mid | 90 | 303.3 | 19 | 1988 - 2016 |
| Studley Royal, Mid-west Yorkshire | England: North | 100 | 342.0 | 33 | 1901 - 2016 |
| Croome Estate, Worcestershire | England: Mid | 175 | 597.1 | 109 | 1995 - 2016 |
| Shotover Hill, Oxfordshire | England: South | 155 | 441.3 | 71 | 1999 - 2017 |
| Hatfield Forest, North Essex | England: South | 245 | 568.6 | 138 | 1986 - 2018 |
| Haddon Hall, Derbyshire | England: Mid | 28 | 432.1 | 10 | 2018 |
| Blickling Park (NT), East Norfolk | England: South | 117 | 376.9 | 43 | 1982 - 2019 |
| Nettlecombe Park, South Somerset | England: South-West | 129 | 355.0 | 57 | 1988 - 2019 |
| Millichope Park, Shropshire | England: Mid | 103 | 413.6 | 52 | 2020 - 2021 |
| Cheddington orchard, Buckinghamshire | England: South | 14 | 500.0 | 9 | 2020 - 2021 |
| Dunham Massey Park (2021), Cheshire | England: Mid | 89 | 377.5 | 45 | 2021 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 404.6 | 79 | 1993 - 2018 |
| Little Doward Wood, West Gloucestershire | England: Mid | 80 | 402.5 | 36 | 2004 - 2021 |
| 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 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 600.4 | 158 | 1950 - 2021 |
| Clumber Park 2023, Nottinghamshire | England: Mid | 124 | 462.1 | 66 | 2023 |
| Studley Park, Mid-west Yorkshire | England: North | 43 | 372.1 | 19 | 2017 - 2023 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 511.3 | 69 | < 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 |
| Horner Woods NNR, South Somerset | England: South-West | 88 | 306.8 | 27 | 1998 - 2015 |
| Weald Country Park (total), South Essex | England: South | 128 | 495.3 | 63 | < 2010 |
| Ayr Gorge, Ayrshire | Scotland | 57 | 319.3 | 12 | 1960 - 2020 |
| 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