This file contains the digital vector boundaries for Lower layer Super Output Areas in England and Wales, as at 21 March 2021.The boundaries available are: (BFE) 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).Contains both Ordnance Survey and ONS Intellectual Property Rights.File size: 580 MBVersion amendments (V9) 14th July 2023: Additional Long/Lat/BNG_E/BNG_N coordinates added. Overlapping intersection repair maintenance. (V10) 8th July 2024: NMW column added to attribute table.REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Lower_layer_Super_Output_Areas_December_2021_Boundaries_EW_BFE_V10/FeatureServerREST URL of WFS Server –https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/Lower_layer_Super_Output_Areas_December_2021_Boundaries_EW_BFE_V10/WFSServer?service=wfs&request=getcapabilitiesREST URL of Map Server –https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Lower_layer_Super_Output_Areas_December_2021_Boundaries_EW_BFE_V10/MapServer