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Middle Layer Super Output Areas (December 2001) Generalised Clipped 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 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);
  • Full resolution - clipped to the coastline (Mean High Water mark);
  • Generalised (20m) - 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 (154 MB)
  • Full resolution - clipped to the coastline (154 MB)
  • Generalised (20m) - clipped to the coastline (49 MB)

REST URL of ArcGIS for INSPIRE View Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Census_Boundaries/Middle_Super_Output_Areas_December_2001_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_2001_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_2001_Boundaries/FeatureServer

Data links

Link Format Preview Updated
Shapefile ZIP 12/6/2017
KML KML 12/6/2017
CSV CSV Preview 12/6/2017
GeoJSON GEOJSON 12/6/2017

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Additional information

Source Metadata
XML, HTML
Harvest GUID
http://geoportal1-ons.opendata.arcgis.com/datasets/f341dcfd94284d58aba0a84daf2199e9_2