This file is a lookup between electoral ward/divisions, registration districts and local authority districts in England and Wales as at 31 December 2017. (File Size - 357 KB)Field Names - WD17CD, WD17NM, REGD17CD, REGD17NM, PAR17CD, PAR17NM, LAD17CD, LAD17NMField Types - Text, Text, Text, Text, Text, Text, Text, TextField Lengths - 9, 56, 9, 39, 9, 13, 9, 28REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/WD17_REGD17_LAD17_EW_LU_07348a6910564cce95ac0dda6ef90f71/FeatureServer