Skip to content
← Directory

dataset · England

Government / regulator

LiDAR based Digital Surface Model (DSM) data for South West England

This is a high resolution spatial dataset of Digital Surface Model (DSM) data in South West England. It is a part of outcomes from the CEH South West (SW) Project. There is also a Digital Terrain Model (DTM) dataset covering the same areas available from the SW project. Both DTM and DSM cover an area of 9424 km2 that includes all the land west of Exmouth (i.e. west of circa 3 degrees 21 minutes West). The DSM includes the height of features on the bare earth such as buildings or vegetation (if p

Visit source ↗

Feature or claim this listing

Feature this listing — founding Featured slots are 50% off for 6 months

Represent LiDAR based Digital Surface Model (DSM) data for South West England? Send a claim for review so we can discuss listing updates. Claims do not automatically grant ownership or verification.

Explore paid sponsorship →

What's in it

Data offered docs-verified
LiDAR-derived Digital Surface Model (DSM) heights, including buildings and vegetation where present
Coverage docs-verified
South West England: all land west of Exmouth (west of circa 3°21' W), 9424 km2 · Survey acquired 2013-07-01 to 2013-08-31
Resolution docs-verified
1 m grid cell; average vertical height accuracy 25 cm
Formats docs-verified
ESRI grid
Access docs-verified
Open Government Licence (OGL). Free download is not explicitly stated. Browser download, WMS, or scripted bulk download (wget/curl) using a personal access token as a Bearer header.

Useful for

Use cases llm-inferred
Drainage strategy: 1 m surface heights for overland flow routing and catchment checks in SW England · FRA topographic input: surface height checks along flow paths in the South West · Civils earthworks: pre-development surface baseline for cut/fill estimates · Ecology or habitat screening: vegetation and canopy heights from the surface layer
Audience llm-inferred
flood consultants · drainage engineers · hydrologists · GIS analysts · civils engineers · ecologists

Limitations

Constraints llm-inferred
Survey dates from July–August 2013; no update frequency stated · Coverage limited to South West England west of Exmouth · DSM includes buildings and vegetation, so it is not a bare-earth ground model; the separate DTM is needed for ground levels · Average vertical accuracy is 25 cm · Scripted bulk download requires a personal access token
Licence
Open government licence
Authentication
Unknown — review source docs
GitHub stars
Unknown
Last commit
Unknown
Last successful page check
16/10/2026
Page health
healthy
Package
Not recorded
Verification
Not independently verified

Provenance & evidence

Listed in ukceh-eidc public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (ukceh-eidc)