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Code History Database (CHD)
The CHD provides information on codes, relationships and hierarchies in line with the GSS Coding and Naming policy implemented on 1 January 2011
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UK Geographic Areas
Information on names, codes and legal status of UK geographic areas
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Statistical Wards
Frequently asked questions about statistical wards, CAS wards and ST Wards
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Boundary Change
Frequently asked questions (FAQs) about where electoral ward boundary changes have occurred
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Presentation orders for regional data
Guidance available for presenting regional data
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Area Measurements
Questions about the area size of local authorities
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Number of administrative areas in UK
Information on the total numbers of each level of administrative area in the United Kingdom
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Postcode to area relationships
Information on finding out what administrative, health and geographic areas a postcode is assigned to
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Names, codes and legal status of UK geographic areas
Information on names, codes and legal status of UK geographic areas
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Classification of rural and urban areas
Information on how to determine whether an area is defined as rural or urban
Frequently asked questions about topics that ONS Geography deals with directly in its work.