This is a lookup file between local planning authorities and local authority districts in the United Kingdom as at 1st April 2023. (File size - 88 KB).Field Names - LAD23CD, LAD23NMW, Coterm, LPA23CD, LPA23NMWField Types - Text, Text, Text, Numeric, Text, Text, TextField Lengths - 9, 36, 24, 1, 9, 51, 37Local authority changes this year include:E06000063Cumberland331/2022The Cumbria (Structural Changes) Order 202201/04/2023E06000064Westmorland and Furness331/2022The Cumbria (Structural Changes) Order 202201/04/2023E06000065North Yorkshire328/2022The North Yorkshire (Structural Changes) Order 202201/04/2023E06000066Somerset329/2022The Somerset (Structural Changes) Order 202201/04/2023