ITL3 areas

The most detailed tier of International Territorial Levels, where regional GDP and productivity are published.

Name in the API

itl3

Covers

UK

Areas in the latest release

182

Published by

Office for National Statistics

Boundary releases

The Atlas holds 2 releases of these boundaries, newest first. Use the release id wherever an endpoint asks for release.

ReleaseDescriptionAreasMap tiles
2025-01-uk-bgc-v2International territorial level 3, January 2025 (United Kingdom, generalised, clipped)182Yes
2021-01-uk-bgc-v3International territorial level 3, January 2021 (United Kingdom, generalised, clipped)179Yes

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
Economic output20251998 to 2023UK

Request it

List the areas in the latest release:

curl "https://api.ukdataatlas.com/v1/areas?geography=itl3&release=2025-01-uk-bgc-v2&limit=5"

Draw them on a map with vector tiles:

curl "https://api.ukdataatlas.com/v1/map-resources/itl3/2025-01-uk-bgc-v2/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
2025-01-uk-bgc-v2CSVPMTilesGeoParquet
2021-01-uk-bgc-v3CSVPMTilesGeoParquet