|Date last released|
|2001 output areas (OA) to 2011 OA and LAD||January 2013|
|2001 lower layer super output areas (LSOA) to 2011 LSOA and LAD||January 2013|
|2001 middle layer super output areas (MSOA) to 2011 MSOA and LAD||January 2013|
Open Geography Portal
The above lookup files can be downloaded as zipped csv files from ONS's Open Geography Portal.
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