Code History Database (April 2018) for the UK

Published by:
Office for National Statistics
Last updated:
22 December 2024
Topic:
Not added
Licence:
None

Summary

This zip file contains the Code History Database for the United Kingdom as at April 2018. To download the zip file click the Download button. The Code History Database (CHD) contains the GSS nine-character codes, where allocated, for current and new statistical geographies from 1 January 2009. The codes consist of a simple alphanumeric structure; the first three characters (ANN) represent the area entity (i.e. type; or category of geography) and the following six characters (NNNNNN) represent the specific area instance. The CHD provides multiple functionality including details of codes, relationships, hierarchies and archived data. The CHD can be used in conjunction with the Register of Geographic Codes (RGC) that summarises the range of area instances within each geographic entity. The GSS Coding and Naming policy for some statistical geographies was implemented on 1 January 2011. From this date, where new codes have been allocated they should be used in all exchanges of statistics and published outputs that normally include codes. For further information on this product, please read the user guide and version notes contained within the product zip file. 


Updated Geographies

  • Updates to Parishes (E04) (name change), Wards (E05) (name change), NMD (E07) (name change), Clinical Commissioning Groups in England (E38), NHS (Region, Local Office) (E39) and NHS England Regions (E40)
  • Updates to Council Areas (S13) and Wards (S13)
  • Updates to the Change History, SI Details, Name Changes, Equivalents table and Information table.

Database Changes
  • Updates to form design to account for December 2017 version have been made.

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