75 datasets found

This User Guide contains information about the 2021 Census NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data...

This User Guide contains information about the ONSPD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality...

This User Guide contains information about the 2011 Census NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data...

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...

This updated guide is a simple tour of the UK geographical areas used in National Statistics work. You can use it to get basic facts on each type of area as well as more...

Best-fitting is the method used to produce estimates for any output geography, by aggregating statistical building blocks, even where these may be nested within a higher...

The user guide is a high level summary of the 2021 Rural Urban Classification methodology, including a visual representation of the method, high level summary statistics and a...

Rural Urban Classification The 2021 RUC update seeks to build upon the strengths of the previous methodology while incorporating significant enhancements. A key methodological...

The document explains the coding and naming policy for UK statistical geographies. Updated July 2025.

The FAQ answers several key methodological, definitional and technical questions about the 2021 RUC, and is intended to provide supplementary contextual information to support...

This Word document contains the updates to the field names in the ONS Postcode Directory and the National Statistics Postcode Lookup to the standard field names used in geospatial.

This document is the Standard Area Measurements (2025) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of...

This guidance note sets out the recommended standard presentation of statistics for health areas within the countries and regions of the UK. (File Size 443 KB)

This guidance note sets out the recommended standard presentation of statistics for health areas within the countries and regions of the UK. (File Size 313 KB)

This document sets out the recommended standard presentation of statistics for administrative areas at regional and sub-regional levels in the UK. This is a revised version of...