This data set lists Calderdale Medium Layer Super Output Areas (MSOAs), Lower Layer Super Output Areas (LSOAs), Census Output Areas (COAs), Built Up Areas (BUAs), Built up area sub-divisions (BUASDs) and their constituent postcodes.

It is based on the National Statistics Postcode Lookup (NSPL) facility, on the Office for National Statistics (ONS) Geoportal, and is updated every three months.

Postcodes allocated by the NSPL dataset may differ from those allocated by the ONS Postcode directory as described in A Guide to ONS Geography Postcode Products.

MSOAs, LSOAs, COAs, BUAs, BUASDs have been defined by the Office for National Statistics (ONS) to assist with reporting statistical information for small geographic areas. They were last updated following the 2011 National Census. ONS has linked these statistical geographic terms to electoral wards and to postcodes through the NSPL data set.

The original data source is the UK ONS and contains National Statistics data © Crown copyright and database right 2011, and are subject to the Open Government Licence and the Ordnance Survey OpenData Licence .

Included are also the latest indices of deprivation figures for Calderdale which are calculated by central government every four years.

Source :

Link to Calderdale's public amenity reach areas: /dataset/locality-reach-areas-of-public-amenities

UK Open Government Licence
Last Update
2 months ago  
3 files
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Calderdale Postcode Areas

This dataset includes the following fields - Postcode, Longitude, Latitude, LSOA Code, MSOA Code, MSOA Name, Ward Name and Parliamentary Constituency.

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ONS best fit for Wards, MSOAs and LSOAs

MSOAs and LSOAs do not fit exactly into ward boundaries. The Office for National Statistics (ONS) define a 'best fit' for each MSOA and LSOA to determine which ward they sit in. This file shows the ONS best fit as at 31 December 2022. The file also includes the E codes for each ward, MSOA and LSOA.