The document explains the differences between the different boundary sets that ONS Geography provides. Valid from 2011.  (File Size - 347 KB)

The 2011 rural-urban classification of local authority districts in England user guide document.  (File Size - 864 KB)

2011 Census data for built-up areas provide information on the villages, towns and cities where people live, and allows comparisons between people living in built-up areas and...

The document explains the differences between the different boundary sets that ONS Geography provides. Valid for datasets between 2001 and 2011.  (File Size - 393 KB)

This user guide gives a full rundown and explanation of the contents of the new 2016 Index of Place Names (IPN) in Great Britain.  (File Size - 644 KB)

The 2011 rural-urban classification of local authority districts in England methodology document.  (File Size - 2 MB)

The document provides a methodological note and user guidance for the ONS Major Towns and Cities.  (File Size - 2 MB)

This document explains how postcodes are allocated to a range of geographies on which statistics are published. It explains the main differences in how postcodes are allocated...

This document is the Standard Area Measurements - 2016 User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of...

This is the User Guide for the National Statistics UPRN Lookup (NSUL) for Great Britain as at April 2018. The NSUL relates the Unique Property Reference Number (UPRN) for each...

This is the User Guide for the National Statistics UPRN Lookup (NSUL) for Great Britain as at June 2019. The NSUL relates the Unique Property Reference Number (UPRN) for each GB...

This is the User Guide for the ONS UPRN Directory (ONSUD) for Great Britain as at March 2019. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address...

This is the User Guide for the ONS UPRN Directory (ONSUD) for Great Britain as at June 2019. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address to...

This document is the Standard Area Measurements (2018) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of...

This is the User Guide for the National Statistics UPRN Lookup (NSUL) for Great Britain as at September 2019. The NSUL relates the Unique Property Reference Number (UPRN) for...

This document is the Standard Area Measurements (2017) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of...

This is the User Guide for the National Statistics UPRN Lookup (NSUL) for Great Britain as at March 2019. The NSUL relates the Unique Property Reference Number (UPRN) for each...

This document is the Standard Area Measurements (2019) User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of...

This user guide gives a full rundown and explanation of the contents of the new 2021 Index of Place Names (IPN) in Great Britain. The download includes PDF and ODT versions of...

The document explains the differences between the different boundary sets that ONS Geography provides. Valid from 2021.  (File Size - 500 KB)