This file contains the digital vector boundaries for the Lower layer Super Output Areas (LSOA) in England and Wales, as at 31 December 2001. 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); Contains both Ordnance Survey and ONS Intellectual Property Rights. Download File SizesFull resolution - extent of the realm (253 MB)REST URL of ArcGIS for INSPIRE View Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/LSOA_(Dec_2001)_EW_BFE/MapServerREST URL of ArcGIS for INSPIRE Feature DownloadService – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/LSOA_Dec_2001_EW_BFE/WFSServer?service=wfs&request=getcapabilitiesREST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/LSOA_Dec_2001_EW_BFE_2022/FeatureServer