| New Forest, South Hampshire | England: South | 324 | 771.6 | 200 | < 2000 |
| Parham Park, West Sussex | England: South | 81 | 509.9 | 42 | 1983 - 2012 |
| Cowdray Park, West Sussex | England: South | 121 | 526.4 | 58 | 2011 |
| Arundel Park, West Sussex | England: South | 130 | 458.5 | 53 | < 1999 |
| Ebernoe Common, West Sussex | England: South | 141 | 497.9 | 53 | < 2011 |
| Merthyr Mawr, Glamorganshire | Wales | 31 | 248.4 | 5 | < 1998 |
| Arundel Park (post 1987), West Sussex | England: South | 39 | 364.1 | 13 | 1988 - 1999 |
| Tavistock Wood, North Devon | England: South-West | 32 | 281.3 | 5 | < 1999 |
| Pilton Wood, North Devon | England: South-West | 43 | 279.1 | 8 | < 1999 |
| Castle Drogo (NT), South Devon | England: South-West | 79 | 402.5 | 35 | 1996 - 2016 |
| Brownsea Island NT, Dorset | England: South-West | 62 | 316.1 | 15 | 2005 - 2015 |
| Nettlecombe Park, South Somerset | England: South-West | 129 | 355.0 | 57 | 1988 - 2019 |
| Petworth Deer Park (NT), West Sussex | England: South | 195 | 500.5 | 85 | 1988 - 2020 |
| Horner Woods NNR, South Somerset | England: South-West | 88 | 306.8 | 27 | 1998 - 2015 |
Saproxylic Quality Index