This is a best fit lookup between Output Areas (OA) to local administrative units level 2 (LAU2) as at 31 December 2016 in England and Wales. (File Size - 17 MB)Column Descriptions: OA11CD | Text | 9LAU216CD | Text | 9LAU216NM | Text | 56FID | Number | 6REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/OA11_LAU216_EW_LU_e5490c04a4564ccb9126b514fff36e3f/FeatureServer
For more information and an overview of best-fitting follow this link - https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about