Dataset - data.gov.uk

Parish to Ward to Local Authority District (December 2019) Lookup in EW

This is a lookup file between civil parishes/communities, electoral wards/divisions in England and Wales as at 31 December 2019. (File Size - 3 MB) Field Names - PAR19CD,...
- HTML
- ArcGIS GeoServices REST API
- CSV
- ZIP
- GeoJSON
- KML
- TXT
- XLSX
- GPKG
- GDB
Ward to LAD to County to County Electoral Division (May 2020) Lookup for EN

A lookup of wards to local authority districts to county to county electoral divisions in England as at 7th May 2020. (File Size - 2 MB).Field Names – WD20CD, WD20NM, LAD20CD,...
- 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).