This file contains the digital vector boundaries for Lower layer Super Output Areas as at 31 December 2011 in England and Wales. The boundaries available are: Generalised (20m) - clipped to the coastline (Mean High Water mark);  Version 3 - Amendments made to remove spike anomalies which occurred due to the automated production process. No changes to boundaries, names and codes have been undertaken. Contains both Ordnance Survey and ONS Intellectual Property Rights. Download File SizesGeneralised (20m) - clipped to the coastline (22 MB) REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/LSOA_Dec_2011_Boundaries_Generalised_Clipped_BGC_EW_V3/FeatureServerREST URL of WFS Server –https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/LSOA_Dec_2011_Boundaries_Generalised_Clipped_BGC_EW_V3/WFSServer?service=wfs&request=getcapabilitiesREST URL of Map Server –https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/LSOA_Dec_2011_Boundaries_Generalised_Clipped_BGC_EW_V3/MapServer