| Calke Abbey NT, Derbyshire | England: Mid | 165 | 422.4 | 74 | 1998 - 2004 |
| Duncombe Park NNR, North-east Yorkshire | England: North | 93 | 409.7 | 42 | < 2000 |
| Swanton Novers, West Norfolk | England: South | 95 | 337.9 | 32 | 1981 - 2010 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 141 | 1996 - 2013 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 343.9 | 25 | < 1998 |
| Monkfield Wood, Cambridgeshire | England: South | 27 | 251.9 | 3 | < 1998 |
| Oyster Wood, Surrey | England: South | 117 | 401.7 | 24 | < 1993 |
| Rotherfield Park, North Hampshire | England: South | 121 | 327.3 | 27 | 2002 |
| Sandall Beat, South-west Yorkshire | England: North | 64 | 271.9 | 5 | < 2000 |
| Savernake Forest, South Wiltshire | England: South-West | 111 | 436.9 | 50 | < 2004 |
| Short Wood, Northamptonshire | England: Mid | 93 | 295.7 | 14 | < 1999 |
| Woolmer Forest, North Hampshire | England: South | 97 | 291.8 | 16 | 1950 - 2003 |
| Dunham Massey Park (Greater), Cheshire | England: Mid | 84 | 307.1 | 27 | < 1992 |
| 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 |
| Arundel Park, West Sussex | England: South | 130 | 458.5 | 53 | < 1999 |
| Bookham Common (total), Surrey | England: South | 208 | 464.9 | 84 | < 2001 |
| Box Hill, Surrey | England: South | 225 | 552.0 | 67 | < 1997 |
| Mersham Hatch Estate, East Kent | England: South | 115 | 415.7 | 39 | < 1998 |
| Stanford PTA, West Norfolk | England: South | 183 | 416.9 | 74 | 1980 - 2009 |
| Cambourne Woods, Cambridgeshire | England: South | 39 | 402.6 | 10 | < 1998 |
| Chiddingfold Woods, Surrey | England: South | 164 | 371.3 | 37 | < 2003 |
| Dinefwr Deer Park, Carmarthenshire | Wales | 156 | 385.3 | 57 | < 1999 |
| Bramshott Chase, Surrey | England: South | 138 | 337.0 | 34 | 1998 - 2003 |
| Kennet Floodplain, Berkshire | England: South | 124 | 352.4 | 20 | 2003 |
| Clytha Park, Monmouthshire | Wales | 48 | 308.3 | 16 | 1997 - 2002 |
| Llanover Park, Monmouthshire | Wales | 118 | 342.4 | 37 | < 1996 |
| Lawn Wood & Tortoiseshell Wood, South Lincolnshire | England: Mid | 49 | 277.6 | 11 | < 1998 |
| Plas Talgarth, Merionethshire | Wales | 35 | 271.4 | 5 | < 1969 |
| Coedydd Aber, Caernarvonshire | Wales | 35 | 234.3 | 3 | < 1998 |
| Nicholaston Woods, Glamorganshire | Wales | 21 | 323.8 | 8 | < 1993 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Forest of Bere, South Hampshire | England: South | 108 | 468.5 | 42 | < 1975 |
| Gibside, County Durham | England: North | 83 | 400.0 | 13 | < 1992 |
| Tavistock Wood, North Devon | England: South-West | 32 | 281.3 | 5 | < 1999 |
| Arlington Court, North Devon | England: South-West | 28 | 357.1 | 8 | < 1999 |
| Pilton Wood, North Devon | England: South-West | 43 | 279.1 | 8 | < 1999 |
| Badger Wood, Cambridgeshire | England: South | 29 | 351.7 | 7 | < 1998 |
| Donington Park (total), Leicestershire (with Rutland) | England: Mid | 122 | 441.8 | 53 | 1971 - 2014 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 535.1 | 110 | 1980 - 2006 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 437.1 | 74 | 1992 - 2014 |
| Burley Wood, Leicestershire (with Rutland) | England: Mid | 72 | 275.0 | 12 | < 1988 |
| Burley-on-the-Hill Estate, Leicestershire (with Rutland) | England: Mid | 90 | 303.3 | 19 | 1988 - 2016 |
| Dartington Hall Estate, South Devon | England: South-West | 89 | 377.5 | 14 | 2010 - 2017 |
| Lanhydrock Estate (NT), East Cornwall | England: South-West | 65 | 327.7 | 23 | < 2008 |
| 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 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 555.6 | 110 | 1986 - 2020 |
| Chirk Castle Park (NT), Denbighshire | Wales | 194 | 404.6 | 79 | 1993 - 2018 |
| 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 |
| Robinson Place Farm, Westmorland (with Furness) | England: North | 53 | 224.5 | 9 | 2021 - 2022 |
| 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 |
| Abney Park Cemetery, Middlesex | England: South | 86 | 489.5 | 28 | 2006 - 2024 |
| 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 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 203 | 498.0 | 90 | 1986 - 2023 |
| Turnworth Common, Dorset | England: South-West | 120 | 475.0 | 62 | 2018 - 2023 |
| Rydal Park & Nab Scar, Westmorland (with Furness) | England: North | 48 | 233.3 | 15 | 2023 |
| Rydal Park & Nab Scar, Westmorland (with Furness) | England: North | 56 | 242.9 | 18 | 2023 - 2024 |
| Diseworth Farmland, Leicestershire (with Rutland) | England: Mid | 43 | 407.0 | 14 | 2024 |
Saproxylic Quality Index