| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 500.0 | 96 | 1960 - 2006 |
| Forest of Dean, West Gloucestershire | England: Mid | 89 | 410.1 | 30 | 1965 - 1998 |
| Cranborne Chase, South Wiltshire | England: South-West | 45 | 304.4 | 7 | 1994 - 2004 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 142 | 1996 - 2013 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 201 | < 2000 |
| Short Wood, Northamptonshire | England: Mid | 93 | 295.7 | 14 | < 1999 |
| 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 |
| Moccas Park, Herefordshire | England: Mid | 239 | 566.5 | 139 | < 1998 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 678.2 | 18 | < 1994 |
| Shrubland Estate, East Suffolk | England: South | 91 | 498.9 | 38 | 1975 - 2005 |
| Arundel Park, West Sussex | England: South | 130 | 458.5 | 53 | < 1999 |
| Icklingham Plains Area, West Suffolk | England: South | 75 | 437.3 | 31 | 1976 - 1997 |
| Esher Commons (total), Surrey | England: South | 234 | 493.2 | 85 | < 2002 |
| Box Hill, Surrey | England: South | 225 | 552.0 | 68 | < 1997 |
| Dunham Park (total), Cheshire | England: Mid | 151 | 464.2 | 60 | < 1977 |
| Mersham Hatch Estate, East Kent | England: South | 115 | 415.7 | 39 | < 1998 |
| Stanford PTA, West Norfolk | England: South | 183 | 416.9 | 74 | 1980 - 2009 |
| Buxted Park, East Sussex | England: South | 134 | 400.7 | 43 | < 1999 |
| Dinefwr Deer Park, Carmarthenshire | Wales | 156 | 385.3 | 57 | < 1999 |
| Ash Ranges, Surrey | England: South | 121 | 330.6 | 25 | 1997 - 2003 |
| Bentley Park Wood, Warwickshire | England: Mid | 62 | 277.4 | 12 | < 2000 |
| Plas Gogerddan/Coed allt-ddel, Cardiganshire | Wales | 21 | 147.6 | 0 | < 1998 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 255 | < 1998 |
| Forest of Bere, South Hampshire | England: South | 108 | 468.5 | 42 | < 1975 |
| Esher Commons (post 1980), Surrey | England: South | 172 | 366.3 | 47 | 1980 - 2002 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 535.1 | 111 | 1980 - 2006 |
| Berrington Hall, Herefordshire | England: Mid | 49 | 391.8 | 13 | 1984 - 2011 |
| Croome Estate, Worcestershire | England: Mid | 175 | 597.1 | 110 | 1995 - 2016 |
| Shotover Hill, Oxfordshire | England: South | 155 | 441.3 | 72 | 1999 - 2017 |
| Sutton Park (1996-2019), Warwickshire | England: Mid | 57 | 296.5 | 14 | 1996 - 2019 |
| Attingham Park NT, Shropshire | England: Mid | 102 | 312.7 | 37 | 1985 - 2013 |
| Blickling Park (NT), East Norfolk | England: South | 117 | 376.9 | 43 | 1982 - 2019 |
| Tatton Park (2021), Cheshire | England: Mid | 102 | 432.4 | 46 | 2021 |
| Tatton Park (2011-21), Cheshire | England: Mid | 122 | 427.0 | 54 | 2011 - 2021 |
| Bainton Heath, Northamptonshire | England: Mid | 64 | 387.5 | 17 | 2011 |
| Birchall & Holwell Park Woods, Hertfordshire | England: South | 65 | 286.2 | 8 | 2014 - 2015 |
| 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 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 600.4 | 159 | 1950 - 2021 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 511.3 | 69 | < 2023 |
| Ashtead Common NNR, Surrey | England: South | 282 | 633.7 | 162 | < 2023 |
| 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 |
| Ayr Gorge, Ayrshire | Scotland | 57 | 319.3 | 12 | 1960 - 2020 |
| Burnham Beeches (s.s.), Buckinghamshire | England: South | 263 | 592.0 | 155 | < 2022 |
| Little Doward Woods, Herefordshire | England: Mid | 200 | 554.5 | 96 | 2024 |
Saproxylic Quality Index