| Calke Abbey NT, Derbyshire | England: Mid | 165 | 422.4 | 74 | 1998 - 2004 |
| Ashton Court, North Somerset | England: South-West | 79 | 297.5 | 23 | < 2002 |
| Grimsthorpe Park, South Lincolnshire | England: Mid | 147 | 461.9 | 77 | < 2014 |
| Central Lincs. Limewoods, North Lincolnshire | England: Mid | 123 | 343.9 | 25 | < 1998 |
| Longleat, South Wiltshire | England: South-West | 46 | 295.7 | 11 | 1994 - 2004 |
| Monks Wood NNR, Huntingdonshire | England: Mid | 157 | 415.9 | 48 | < 1973 |
| River Soar, Leicestershire (with Rutland) | England: Mid | 66 | 304.5 | 12 | < 1980 |
| Sandall Beat, South-west Yorkshire | England: North | 64 | 271.9 | 5 | < 2000 |
| Short Wood, Northamptonshire | England: Mid | 93 | 295.7 | 14 | < 1999 |
| Thorne Moors, South-west Yorkshire | England: North | 86 | 269.8 | 16 | < 1985 |
| Virginia Water Woods, Berkshire | England: South | 73 | 464.4 | 33 | 2003 |
| Cirencester Park, East Gloucestershire | England: Mid | 76 | 327.6 | 24 | < 1999 |
| Bedford Purlieus Wood NNR, Huntingdonshire | England: Mid | 68 | 411.8 | 14 | 1970 - 1995 |
| Bentley Park Wood, Warwickshire | England: Mid | 62 | 277.4 | 12 | < 2000 |
| Livox Wood, Monmouthshire | Wales | 19 | 300.0 | 6 | 2013 |
| Crowcombe Park, South Somerset | England: South-West | 51 | 276.5 | 11 | 1995 - 2010 |
| Donington Park (total), Leicestershire (with Rutland) | England: Mid | 122 | 441.8 | 53 | 1971 - 2014 |
| 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 | 74 | 1992 - 2014 |
| Burley-on-the-Hill Estate, Leicestershire (with Rutland) | England: Mid | 90 | 303.3 | 19 | 1988 - 2016 |
| Hanbury Park, Worcestershire | England: Mid | 58 | 501.7 | 26 | 1998 - 2016 |
| Shotover Hill, Oxfordshire | England: South | 155 | 441.3 | 71 | 1999 - 2017 |
| Brockhampton Estate (NT), Herefordshire | England: Mid | 62 | 488.7 | 29 | 1984 - 2016 |
| Hatfield Forest, North Essex | England: South | 245 | 568.6 | 138 | 1986 - 2018 |
| Castle Drogo (NT), South Devon | England: South-West | 79 | 402.5 | 35 | 1996 - 2016 |
| Sherrardspark Wood SSSI, Hertfordshire | England: South | 89 | 371.9 | 36 | 2008 - 2020 |
| 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 |
| Dunster Deer Park, South Somerset | England: South-West | 61 | 304.9 | 23 | 1995 - 2011 |
| Nettlecombe Park, South Somerset | England: South-West | 129 | 355.0 | 57 | 1988 - 2019 |
| Bainton Heath, Northamptonshire | England: Mid | 64 | 387.5 | 17 | 2011 |
| Birchall & Holwell Park Woods, Hertfordshire | England: South | 65 | 286.2 | 8 | 2014 - 2015 |
| 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 |
| Capstone, East Kent | England: South | 58 | 251.7 | 5 | 2000 - 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 |
| Ham Lands, Surrey | England: South | 67 | 379.1 | 16 | 2010 - 2023 |
| Clumber Park (NT), Nottinghamshire | England: Mid | 177 | 422.0 | 75 | 1990 - 2023 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 600.4 | 158 | 1950 - 2021 |
| Clumber Park 2023, Nottinghamshire | England: Mid | 124 | 462.1 | 66 | 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 |
| 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 |
| 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 |
| 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 |
| Turnworth Common, Dorset | England: South-West | 120 | 475.0 | 62 | 2018 - 2023 |
| 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 |
| Diseworth Farmland, Leicestershire (with Rutland) | England: Mid | 43 | 407.0 | 14 | 2024 |
| Maxey Cut, Northamptonshire | England: Mid | 58 | 332.8 | 17 | 2023 - 2024 |
| Dyffryn Gardens, Glamorganshire | Wales | 58 | 341.4 | 22 | 2023 - 2024 |
Saproxylic Quality Index