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National Statistics Postcode Lookup (February 2025) User Guide
This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and... -
Hierarchical Representation of UK Geographies (June 2025)
The Hierarchical Representation of UK Geographies shows all UK geographies within their geography groups and geographical areas, as at June 2025. The pdf is scaled to A3 paper... -
Frequently asked questions about the GSS Coding and Naming Policy (July 2025)
The GSS Coding and Naming policy was implemented on 1 January 2011. This change affected all users and producers of statistics. This document contains the frequently asked... -
Coding and Naming Policy for UK Statistical Geographies (July 2025)
The document explains the coding and naming policy for UK statistical geographies. Updated July 2025. -
Rural-Urban Classification (2021) Frequently Asked Questions V2
The FAQ answers several key methodological, definitional and technical questions about the 2021 RUC, and is intended to provide supplementary contextual information to support... -
Standard Area Measurements (2022) User Guide
This document is the Standard Area Measurements (2022) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of... -
Standard Area Measurements (2023) User Guide
This document is the Standard Area Measurements (2023) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of... -
Standard Area Measurements (2024) User Guide
This document is the Standard Area Measurements (2024) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of... -
Standard Area Measurements (2025) User Guide
This document is the Standard Area Measurements (2025) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of... -
Hierarchical Representation of UK Geographies (July 2024)
The Hierarchical Representation of UK Geographies shows all UK geographies within their geography groups and geographical areas, as at July 2024. The pdf is scaled to A3 paper... -
National Statistics UPRN Lookup (July 2024) (Epoch 111) User Guide
This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and... -
ONS UPRN Directory (July 2024) (Epoch 111) User Guide
This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality... -
GSS Geography Policy
This GSS Geography Policy sets out the principles of those standards. The document provides best practice guidance on the geographic reference data to use, and how to use it so... -
National Statistics UPRN Lookup (September 2024) (Epoch 112) User Guide
This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and... -
ONS UPRN Directory (September 2024) (Epoch 112) User Guide
This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality... -
ONS Postcode Directory (August 2024) User Guide
This User Guide contains information about the ONSPD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality... -
National Statistics Postcode Lookup 2021 Census (August 2024) User Guide
This User Guide contains information about the NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and... -
National Statistics UPRN Lookup (March 2017) User Guide
This is the User Guide for the National Statistics Address Lookup (NSAL) for Great Britain as at March 2017. The NSAL relates the Unique Property Reference Number (UPRN) for... -
NHS Postcode Directory (August 2024) User Guide
This User Guide contains information about the NHSPD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality... -
Index of Place Names in Great Britain (December 2022) User Guide
This user guide gives a full rundown and explanation of the contents of the new 2022 Index of Place Names (IPN) in Great Britain. The download includes PDF and ODT versions of...