Open government data: LiDAR, geology, planning, Scotland, Wales, NI. 7 tools, in our suggested starting order (how we order).
bgs.ac.uk
Free (verified)
British Geological Survey map viewer for geology, boreholes and more.
Best for Surveyors and engineers doing site desk studies.
Cost Map viewer 'free to use'; data under OGL (stated on page).
Visit siteSource · checked 15 Oct 2026
spatialni.gov.uk
Free (verified)
Northern Ireland's spatial data portal with a free OSNI map viewer.
Best for Surveyors working in Northern Ireland.
Cost Map viewer stated as free; other services not checked.
Visit siteSource · checked 15 Oct 2026
environment.data.gov.uk
Cost not checked
Defra Data Services Platform portal for survey data such as LiDAR tiles.
Best for Topo and drainage surveyors needing terrain data.
Cost Not checked. A web search on 2026-10-15 reported a service error on this portal.
Visit siteSource · checked 15 Oct 2026
maps.nls.uk
Cost not checked
Over 400,000 historic maps of Scotland, England, Ireland and Wales with georeferenced overlays.
Best for Surveyors researching historic site features and boundaries.
Cost Not checked.
Visit siteSource · checked 15 Oct 2026
planning.data.gov.uk
Cost not checked
MHCLG platform publishing planning and housing data for England.
Best for Surveyors checking planning constraints.
Cost Content under OGL v3.0 (page footer); access cost not checked.
Visit siteSource · checked 15 Oct 2026
remotesensingdata.gov.scot
Cost not checked
Scottish Government portal for remote sensing data such as LiDAR.
Best for Surveyors working in Scotland.
Cost Not checked.
Visit siteSource · checked 15 Oct 2026
datamap.gov.wales
Cost not checked
Welsh Government spatial data portal.
Best for Surveyors working in Wales.
Cost Not checked.
Visit siteSource · checked 15 Oct 2026
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