dataset · England
LIDAR DSM Time Stamped Tiles
The LIDAR DSM (Digital Surface Model) Time Stamped Tiles product is an archive of raster elevation data produced by the Environment Agency. Site specific surveys have been carried out across England since 1998, with certain areas, such as the coastal zone, being surveyed multiple times. Data is available at varying resolutions of 25cm, 50cm, 1m and 2m, depending on project requirements. The DSM (Digital Surface Model) is produced from the last return LIDAR signal and includes heights of objects,
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Licence: ["There are no public access constraints to this data. Use of this data is subject to the licence identified.", "There are no public access constraints to this data. Use of this data is subject to the
Evidence quality: 71.2
Listed in data.gov.uk public catalogue API on 2026-10-16; relevance/value screened (haiku).
Metadata checked: 2026-10-14T13:20:00.000Z
What's in it
- Data offered docs-verified
- LIDAR DSM (Digital Surface Model) raster elevation · time-stamped site-specific surveys (dates vary by location) · metadata index catalogue (WFS, WMS, shapefile) showing survey dates, resolution and transformation per location · OSGM02 to OSGM15 adjustment grid
- Coverage docs-verified
- England · Surveys since 1998
- Resolution docs-verified
- 25cm, 50cm, 1m and 2m, depending on project requirements; vertical accuracy +/-15cm RMSE
- Update frequency docs-verified
- quarterly
- Formats docs-verified
- GeoTIFF · Shapefile · GeoPackage · GeoJSON · File Geodatabase (gdb) · WFS · WMS
- Access docs-verified
- Free and open: no public access constraints, no authentication; licence Open Government Licence v3.0
Useful for
- Use cases llm-inferred
- Flood risk assessment: ground and building heights as inputs for flood modelling of a site · Drainage strategy: surface levels for overland flow routing and catchment checks · Earthworks and civils design: pre-development surface levels from a 1m or 2m DSM · Coastal and time-series change: comparing repeat surveys of the same area over time
- Audience llm-inferred
- flood consultants · hydrologists · drainage engineers · civils engineers · GIS analysts
Limitations
- Constraints docs-verified
- Surface model, not bare-earth terrain: heights include vehicles, buildings and vegetation · Survey dates and transformations vary by location; check the metadata index catalogue before use · Coverage is site-specific surveys, not a single continuous national dataset · Geotiff downloads are packaged in 5km zips
Evidence
- https://environment.data.gov.uk/api/file/download?fileDataSetId=f6ca4432-d22a-4a8d-96ae-9b318ca681ec&fileName=LIDAR_DSM_Time_Stamped_Tiles.gdb.zip
- https://www.data.gov.uk/dataset/d65c3dc2-56fb-4147-bca4-45dc78889ffc/lidar-dsm-time-stamped-tiles
Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.