This file contains the digital vector boundaries for Middle layer Super Output Areas in England and Wales, as at 21 March 2021.The boundaries available are: (BGC) Generalised (20m) - clipped to the coastline (Mean High Water mark).Contains both Ordnance Survey and ONS Intellectual Property Rights.File size: 27 MBVersion amendment 14th July 2023: Additional Long/Lat/BNG_E/BNG_N coordinates added. Overlapping intersection repair maintenance. REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/MSOA_2021_EW_BGC_V2/FeatureServerREST URL of WFS Server – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/MSOA_2021_EW_BGC_V2/WFSServer?service=wfs&request=getcapabilitiesREST URL of Map Server –https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/MSOA_2021_EW_BGC_V2/MapServer