Lower layer super output areas (LSOAs)

Small neighbourhoods of around 1,000 to 3,000 people in England and Wales, designed for statistics. Deprivation indices and other small-area data are published on them.

Name in the API

lsoa

Covers

England and Wales

Areas in the latest release

35,672

Published by

Office for National Statistics

Boundary releases

The Atlas holds 4 releases of these boundaries, newest first. Use the release id wherever an endpoint asks for release.

ReleaseDescriptionAreasMap tiles
2021-12-ew-bgc-v5Lower layer super output areas, December 2021 (England and Wales, generalised, clipped, v5)35,672Yes
2011-12-w-bgcLower layer super output areas, December 2011 (Wales, generalised, clipped)1,909Yes
2011-12-ew-bgc-v3Lower layer super output areas, December 2011 (England and Wales, generalised, clipped, v3)34,753Yes
2001-12-ew-bgcLower layer super output areas, December 2001 (England and Wales, generalised, clipped)34,378–

Boundaries are published by Office for National Statistics under the Open Government Licence v3.0. Get attribution text gives the credit line for a map.

Datasets on these areas

DatasetsCode yearPeriodsCovers
Census 2021 small areas20212021England and Wales
20212021England and Wales
20212021England and Wales
20212021England and Wales
20212021England and Wales
20212021England and Wales
20212021England and Wales
Deprivation20212025England
20112019Wales
Road collisions20212024 to 2025England and Wales

Request it

List the areas in the latest release:

curl "https://api.ukdataatlas.com/v1/areas?geography=lsoa&release=2021-12-ew-bgc-v5&limit=5"

Draw them on a map with vector tiles:

curl "https://api.ukdataatlas.com/v1/map-resources/lsoa/2021-12-ew-bgc-v5/tiles.json"
get/areas/{geography}/{release}/{code}/geometryGet an area's shapeget/areas:containsFind areas at a pointget/boundary-releases:resolveFind boundaries for a date

Downloads

Every release has an area-code lookup table. Releases with map resources also have downloadable PMTiles and GeoParquet shapes. The source and licence information above applies to these files too; preserve the attribution and note any cleaning or reformatting when you redistribute one.

ReleaseArea codesBoundary files
2021-12-ew-bgc-v5CSVPMTilesGeoParquet
2011-12-w-bgcCSVPMTilesGeoParquet
2011-12-ew-bgc-v3CSVPMTilesGeoParquet
2001-12-ew-bgcCSV—