Survey method used to categorise habitats within a defined area and record their condition and distinctiveness against set criteria.
| ID | Name | Description | Order | Shortcut | 
|---|---|---|---|---|
| 62 | Acid grassland | 1 | ||
| 63 | Calcareous grassland | 2 | ||
| 64 | Neutral grassland | 3 | ||
| 65 | Modified grassland | 4 | ||
| 66 | Broadleaved mixed and yew woodland | 5 | ||
| 67 | Coniferous woodland | 6 | ||
| 68 | Dwarf shrub heath | 7 | ||
| 69 | Hedgerows | 8 | ||
| 70 | Dense scrub | 9 | ||
| 71 | Bog | 10 | ||
| 72 | Fen marsh and swamp | 11 | ||
| 73 | Arable and horticulture | 12 | ||
| 74 | Built-up areas and gardens | 13 | ||
| 75 | Inland rock | 14 | ||
| 76 | Supralittoral Rock | 15 | ||
| 77 | Supralittoral Sediment | 16 | ||
| 78 | Standing open water and canals | 17 | ||
| 79 | Rivers and streams | 18 | ||
| 80 | Littoral Rock | 19 | ||
| 81 | Littoral Sediment | 20 |