[1] No percentage value for Water features.
[2] Other features are included in scope where they have a natural land cover, i.e. areas under construction are included because they are generally sand or bare earth until construction is complete. ‘Constructed’ or ‘Made’ features are out of scope.
[3] Only features above the Mean High Water (Springs) line have a percentage value.
Last updated
Theme
Land, Structures, Transport, Water [1]
Collection
Feature collections
Feature Types
Land, Rail, Road Track or Path, Structure, Water [1]
Coverage
Great Britain (‘Excavated or Deposited’, ‘Open Vegetation’, ‘Mineral’, ‘Multiple’, ‘Trees’, ‘Under Construction’ or ‘Water’ [1] topographic area features) [2] [3]
Geometry
Polygons
Data Sources
Classification of topographic area features is from existing ground and remote survey methods. Automated classification from OS aerial imagery (25cm) to determine percentage cover value.
Data Updates
3-year cyclical revision from OS aerial imagery. Updates are processed up to daily into OS NGD.
Supply Type
Full supply and Change Only Update (COU).
Supply Formats
GeoPackage or CSV download from OS NGD Select+Build.
GeoJSON from OS NGD API – Features.
