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Middle Layer Super Output Areas (December 2011) Full Extent Boundaries in England and Wales

Publisher
Office for National Statistics
Updated
8 July 2026
Topic
Mapping

Summary

This file contains the digital vector boundaries for Middle Layer Super Output Areas for England and Wales as at 31 December 2011.
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.

Contains both Ordnance Survey and ONS Intellectual Property Rights.
Download File Sizes

  • Full resolution - extent of the realm (191 MB)
  • Full resolution - clipped to the coastline (185 MB)
  • Generalised (20m) - clipped to the coastline (10 MB)
  • Super generalised (200m) - clipped to the coastline (2 MB)

REST URL of ArcGIS for INSPIRE View Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Census_Boundaries/Middle_Super_Output_Areas_December_2011_Boundaries/MapServer/exts/InspireView
REST URL of ArcGIS for INSPIRE Feature Download Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Census_Boundaries/Middle_Super_Output_Areas_December_2011_Boundaries/MapServer/exts/InspireFeatureDownload

REST URL of ArcGIS Feature Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Census_Boundaries/Middle_Super_Output_Areas_December_2011_Boundaries/FeatureServer

Data links

Link Format Preview Updated
Shapefile ZIP 24/3/2018
KML KML 24/3/2018
CSV CSV Preview 24/3/2018
GeoJSON GEOJSON 24/3/2018

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Additional information

Source Metadata
XML, HTML
Harvest GUID
http://geoportal1-ons.opendata.arcgis.com/datasets/826dc85fb600440889480f4d9dbb1a24_1

Contact

Enquiries

ons.geography@ons.gov.uk

Freedom of information (FOI) requests

FOI.Team@ons.gov.uk