This file contains the digital vector boundaries for Local Authority Districts in Great Britain, as at 31 December 2017. The boundaries available are:Full resolution - extent of the realm (usually this is the Mean Low Water mark but in some cases boundaries extend beyond this to include off shore islands); Full resolution - clipped to the coastline (Mean High Water mark); Generalised (20m) - clipped to the coastline (Mean High Water mark); Super generalised (200m) - clipped to the coastline (Mean High Water mark) and Ultra generalised (500m) - clipped to the coastline (Mean High Water mark). Contains both Ordnance Survey and ONS Intellectual Property Rights. Download File SizesFull resolution - extent of the realm (45 MB)Full resolution - clipped to the coastline (48 MB)Generalised (20m) - clipped to the coastline (6 MB)Super generalised (200m) - clipped to the coastline (1 MB)Ultra generalised (500m) - clipped to the coastline (434 KB).REST URL of ArcGIS for INSPIRE Feature DownloadService – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/Local_Authority_Districts_December_2017_Boundaries_GB_BSC/WFSServer?service=wfs&request=getcapabilitiesREST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Local_Authority_Districts_December_2017_Boundaries_GB_BSC_2022/FeatureServerREST URL of ArcGIS for INSPIRE View Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Local_Authority_Districts_(December_2017)_Boundaries_GB_BSC/MapServerREST URL of ArcGIS for INSPIRE Feature DownloadService – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/Local_Authority_Districts_December_2017_Boundaries_GB_BSC/WFSServer?service=wfs&request=getcapabilitiesREST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Local_Authority_Districts_December_2017_Boundaries_GB_BSC_2022/FeatureServer