| Sherwood Forest, Nottinghamshire | England: Mid | 164 | 500.0 | 96 | 1960 - 2006 |
| Buddon Wood (total), Leicestershire (with Rutland) | England: Mid | 124 | 397.6 | 36 | < 1988 |
| Forest of Dean, West Gloucestershire | England: Mid | 89 | 410.1 | 30 | 1965 - 1998 |
| Cobham & Ashenbank Woods, West Kent | England: South | 105 | 369.5 | 33 | < 1998 |
| Powis Castle Park (total), Montgomeryshire | Wales | 170 | 380.0 | 70 | 1994 - 2003 |
| Powis Castle Park (pre-1996), Montgomeryshire | Wales | 39 | 392.3 | 21 | < 1996 |
| Grovely Wood, South Wiltshire | England: South-West | 107 | 390.7 | 27 | 1980 - 2004 |
| Cranborne Chase, South Wiltshire | England: South-West | 45 | 304.4 | 7 | 1994 - 2004 |
| Ashenbank Wood, West Kent | England: South | 57 | 310.5 | 12 | < 2014 |
| Grimsthorpe Park, South Lincolnshire | England: Mid | 147 | 461.9 | 77 | < 2014 |
| Bushy Park & Home Park, Middlesex | England: South | 255 | 620.4 | 141 | 1996 - 2013 |
| Lea & Pagets Wood, Herefordshire | England: Mid | 55 | 334.5 | 3 | 2003 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 343.9 | 25 | < 1998 |
| Lullingstone Park, West Kent | England: South | 105 | 473.3 | 42 | < 1977 |
| Mottisfont Abbey, South Hampshire | England: South | 36 | 397.2 | 18 | < 1998 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 415.9 | 48 | < 1973 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 200 | < 2000 |
| Norton Priory, West Sussex | England: South | 54 | 222.2 | 4 | 2003 |
| The Oaks, Kingston Lacy, Dorset | England: South-West | 72 | 272.2 | 12 | 2000 - 2001 |
| Rotherfield Park, North Hampshire | England: South | 121 | 327.3 | 27 | 2002 |
| Shortwood & Standish Wood (National Trust), Worcestershire | England: Mid | 46 | 289.1 | 12 | 1985 - 2002 |
| Silwood Park, Berkshire | England: South | 159 | 613.2 | 86 | 1998 - 1999 |
| Snelsmore Common, Berkshire | England: South | 71 | 215.5 | 9 | 2003 |
| Thorne Moors, South-west Yorkshire | England: North | 86 | 269.8 | 16 | < 1985 |
| Thursley Commons, Surrey | England: South | 128 | 371.9 | 34 | < 2002 |
| Woolmer Forest, North Hampshire | England: South | 97 | 291.8 | 16 | 1950 - 2003 |
| 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 |
| Croome Park, Worcestershire | England: Mid | 110 | 560.0 | 62 | < 1999 |
| Cowdray Park, West Sussex | England: South | 121 | 526.4 | 58 | 2011 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 128 | < 1979 |
| Cliveden NT, Buckinghamshire | England: South | 71 | 512.7 | 33 | 2008 |
| Arundel Park, West Sussex | England: South | 130 | 458.5 | 53 | < 1999 |
| Bookham Common (total), Surrey | England: South | 208 | 464.9 | 84 | < 2001 |
| 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 |
| 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 |
| Mersham Hatch Estate, East Kent | England: South | 115 | 415.7 | 39 | < 1998 |
| The Mens, West Sussex | England: South | 139 | 463.3 | 56 | < 2010 |
| Denham Marsh Wood, Buckinghamshire | England: South | 47 | 391.5 | 16 | 2008 |
| Hainault Forest, South Essex | England: South | 94 | 409.6 | 41 | 1970 - 2007 |
| Buxted Park, East Sussex | England: South | 134 | 400.7 | 43 | < 1999 |
| Chiddingfold Woods, Surrey | England: South | 164 | 371.3 | 37 | < 2003 |
| Highgate Wood, Middlesex | England: South | 107 | 408.4 | 36 | < 2002 |
| Drayton Copse, Oxfordshire | England: South | 76 | 347.4 | 19 | < 1999 |
| Bedford Purlieus Wood NNR, Huntingdonshire | England: Mid | 68 | 411.8 | 14 | 1970 - 1995 |
| Hutchin's Copse, Oxfordshire | England: South | 78 | 341.0 | 16 | < 1999 |
| Bramshott Chase, Surrey | England: South | 138 | 337.0 | 34 | 1998 - 2003 |
| Ash Ranges, Surrey | England: South | 121 | 330.6 | 25 | 1997 - 2003 |
| Downham Woodland Walk, West Kent | England: South | 46 | 308.7 | 11 | 2002 |
| Kennet Floodplain, Berkshire | England: South | 124 | 352.4 | 20 | 2003 |
| Clytha Park, Monmouthshire | Wales | 48 | 308.3 | 16 | 1997 - 2002 |
| Eridge Park, East Sussex | England: South | 80 | 310.0 | 17 | < 1999 |
| Mill Bank, Penallt, Monmouthshire | Wales | 43 | 297.7 | 9 | < 2014 |
| Penallt Woods, Monmouthshire | Wales | 57 | 291.2 | 11 | 2007 - 2013 |
| Piercefield Park, Monmouthshire | Wales | 43 | 288.4 | 12 | < 1999 |
| Clay Vallet Wood, Herefordshire | England: Mid | 58 | 298.3 | 11 | 2002 - 2003 |
| Brilley Green Dingle, Herefordshire | England: Mid | 61 | 283.6 | 9 | < 2014 |
| Old Cilgwyn, Cardiganshire | Wales | 64 | 265.6 | 13 | < 1998 |
| Gregynog, Montgomeryshire | Wales | 69 | 249.3 | 10 | < 1996 |
| Coedmore NNR, Cardiganshire | Wales | 28 | 242.9 | 6 | < 1998 |
| Coedydd Aber, Caernarvonshire | Wales | 35 | 234.3 | 3 | < 1998 |
| Wyelands, Monmouthshire | Wales | 28 | 378.6 | 15 | 1994 - 1999 |
| Bishopston Valley, Glamorganshire | Wales | 31 | 229.0 | 3 | 1994 - 2002 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
| Forest of Bere, South Hampshire | England: South | 108 | 468.5 | 42 | < 1975 |
| 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 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 535.1 | 110 | 1980 - 2006 |
| Cwm Llyfnant, Cardiganshire | Wales | 44 | 275.0 | 4 | < 2015 |
| Brockworth Great Park, East Gloucestershire | England: Mid | 36 | 438.9 | 15 | 2000 |
| Kemerton Estate, Worcestershire | England: Mid | 170 | 437.1 | 74 | 1992 - 2014 |
| Buddon Wood (post 1980), Leicestershire (with Rutland) | England: Mid | 79 | 305.1 | 14 | 1980 - 1988 |
| Perivale Wood, Middlesex | England: South | 53 | 475.5 | 17 | 2013 - 2016 |
| Studley Royal, Mid-west Yorkshire | England: North | 100 | 342.0 | 33 | 1901 - 2016 |
| Hanbury Park, Worcestershire | England: Mid | 58 | 501.7 | 26 | 1998 - 2016 |
| Croome Estate, Worcestershire | England: Mid | 175 | 597.1 | 109 | 1995 - 2016 |
| Polesden Lacy & Ranmore Common NT, Surrey | England: South | 49 | 244.9 | 4 | 1996 - 2011 |
| Shotover Hill, Oxfordshire | England: South | 155 | 441.3 | 71 | 1999 - 2017 |
| Wyre Forest , Worcestershire | England: Mid | 126 | 415.9 | 39 | 1980 - 2017 |
| Gunby Park, North Lincolnshire | England: Mid | 18 | 261.1 | 2 | < 2017 |
| Haughmond Hill, Shropshire | England: Mid | 55 | 265.5 | 12 | 2009 - 2017 |
| Hatfield Forest, North Essex | England: South | 245 | 568.6 | 138 | 1986 - 2018 |
| Beningbrough Parkland, North-east Yorkshire | England: North | 68 | 311.8 | 15 | 1987 - 2019 |
| Sutton Park (1996-2019), Warwickshire | England: Mid | 57 | 296.5 | 14 | 1996 - 2019 |
| Felbrigg Hall Estate (NT), East Norfolk | England: South | 135 | 382.2 | 45 | 1988 - 2018 |
| 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 |
| Brownsea Island NT, Dorset | England: South-West | 62 | 316.1 | 15 | 2005 - 2015 |
| Ashridge Estate (NT), Hertfordshire | England: South | 234 | 555.6 | 110 | 1986 - 2020 |
| Nettlecombe Park, South Somerset | England: South-West | 129 | 355.0 | 57 | 1988 - 2019 |
| Birchall & Holwell Park Woods, Hertfordshire | England: South | 65 | 286.2 | 8 | 2014 - 2015 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 500.5 | 85 | 1988 - 2020 |
| Wye Valley Woods SAC, Monmouthshire | Wales | 132 | 448.5 | 49 | 1994 - 2018 |
| Danesbury Park, Welwyn, Hertfordshire | England: South | 48 | 258.3 | 5 | 2000 - 2022 |
| Ashcombe Wood, Surrey | England: South | 20 | 325.0 | 4 | 2022 |
| Holmwood, Surrey | England: South | 47 | 297.9 | 7 | 2015 - 2022 |
| Pwll y Wrach, Breconshire | Wales | 13 | 207.7 | 1 | 2000 - 2022 |
| Capstone, East Kent | England: South | 58 | 251.7 | 5 | 2000 - 2021 |
| Panshanger Park (1990-2022), Hertfordshire | England: South | 156 | 530.8 | 92 | 1990 - 2022 |
| Ham Lands, Surrey | England: South | 67 | 379.1 | 16 | 2010 - 2023 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 600.4 | 158 | 1950 - 2021 |
| Sydenham Hill & Dulwich Woods, Surrey | England: South | 92 | 387.0 | 30 | 1997 - 2023 |
| Oxburgh Hall, West Norfolk | England: South | 96 | 447.9 | 36 | 2013 - 2022 |
| Stowe (NT, School and Golf Course), Buckinghamshire | England: South | 142 | 511.3 | 69 | < 2023 |
| Tyntesfield (NT), North Somerset | England: South-West | 61 | 260.7 | 11 | 2010 - 2022 |
| Ashtead Common NNR, Surrey | England: South | 282 | 633.7 | 161 | < 2023 |
| 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 |
| Barnes Common, Surrey | England: South | 81 | 550.6 | 40 | 2020 - 2024 |
| Horner Woods NNR, South Somerset | England: South-West | 88 | 306.8 | 27 | 1998 - 2015 |
| Oxburgh Hall (NT), West Norfolk | England: South | 63 | 409.5 | 20 | 2006 - 2018 |
| Rutland Water Nature Reserve, Leicestershire (with Rutland) | England: Mid | 68 | 255.9 | 8 | 2021 - 2022 |
| Ayr Gorge, Ayrshire | Scotland | 57 | 319.3 | 12 | 1960 - 2020 |
| Wimpole Hall Estate (NT), Cambridgeshire | England: South | 203 | 498.0 | 90 | 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 |
| Dinton Pastures Country Park, Berkshire | England: South | 145 | 503.4 | 52 | 1992 - 2024 |
| Burnham Beeches (s.s.), Buckinghamshire | England: South | 263 | 592.0 | 154 | < 2022 |
Saproxylic Quality Index