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2001 boundaries

'Digital boundaries for 2001 output areas (OA) and super output areas (LSOA and MSOA) for England and Wales are available to download via the ONS Open Geography Portal. These boundaries are for users to input into their own geographical information systems to carry out spatial analysis or visualisation.

Boundaries for most geographies are created at full, extent and generalised (to 20 metres), clipped formats. Output areas, lower layer and middle layer super output areas are also supplied in the 'full, clipped' format on the Open Geography portal.

The three boundary formats that are provided on the portal are designed to be used in different contexts (such as analysis or visualisation). Further information on the these formats can be found in the downloadable file available on the Open Geography portal.

If any other formats are required, these can ordered from ONS Geography Customer Services. Please see the 'Digital Boundaries page for further information.

2001 output areas are supplied under the Open Government Licence and Ordnance Survey Open Data terms and conditions.

2001 output areas (OA) boundary

  Date last released
Full resolution, extent of the realm October 2012
Full resolution, clipped to the coastline October 2012
Generalised (20m), clipped to the coastline October 2012

2001 lower layer super output areas (LSOA) boundary

  Date last released
Full resolution, extent of the realm October 2012
Full resolution, clipped to the coastline October 2012
Generalised (20m), clipped to the coastline October 2012

2001 middle layer super output areas (MSOA) boundary

  Date last released
Full resolution, extent of the realm October 2012
Full resolution, clipped to the coastline October 2012
Generalised (20m), clipped to the coastline October 2012

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