Dataset - data.gov.uk

Ward to Westminster Parliamentary Constituency to LAD to UTLA (Dec 2019)...

This file is a lookup between electoral wards/divisions, Westminster parliamentary constituencies, local authority districts and upper tier local authorities in the United...
- HTML
- ArcGIS GeoServices REST API
- CSV
- ZIP
- GeoJSON
- KML
- TXT
- XLSX
- GPKG
- GDB
Ward to Westminster Parliamentary Constituency to LAD to UTLA (Dec 2020)...

This file is a lookup between electoral wards/divisions, Westminster parliamentary constituencies, local authority districts and upper tier local authorities in the United...
- HTML
- ArcGIS GeoServices REST API
- CSV
- ZIP
- GeoJSON
- KML
- TXT
- XLSX
- GPKG
- GDB

You can also access this registry using the API (see API Docs).