| Swanton Novers, West Norfolk | England: South | 95 | 337.9 | 32 | 1981 - 2010 |
| Coed Nant Llolwyn, Cardiganshire | Wales | 46 | 237.0 | 2 | < 1998 |
| Kennet Floodplain, Berkshire | England: South | 124 | 352.4 | 20 | 2003 |
| Coed Gwaenydd Bach, Glamorganshire | Wales | 42 | 269.0 | 12 | < 1993 |
| Coed Allt Craig Arth, Cardiganshire | Wales | 22 | 263.6 | 1 | < 1992 |
| Llanerchaeron Hall, Cardiganshire | Wales | 22 | 263.6 | 4 | 1991 - 2002 |
| Bishopston Valley, Glamorganshire | Wales | 31 | 229.0 | 3 | 1994 - 2002 |
| Cwm Llyfnant, Cardiganshire | Wales | 44 | 275.0 | 4 | < 2015 |
| Plyde Loch (revised), Ayrshire | Scotland | 25 | 244.0 | 4 | 2012 - 2016 |
| Dartington Hall Estate, South Devon | England: South-West | 89 | 377.5 | 14 | 2010 - 2017 |
| Brownsea Island NT, Dorset | England: South-West | 62 | 316.1 | 15 | 2005 - 2015 |
Saproxylic Quality Index