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...

The document explains the changes to output areas and super output areas between 2001 and 2011 in England and Wales.  (File Size - 287 KB)

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

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 document provides information about population weighted centroids and the methodology to produce them.  (File Size - 39 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...

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)

This document provides information about population weighted centroids for workplace zones and the methodology to produce them.  (File Size - 39 KB)

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

The document provides information for the 2011 Rural-Urban Classification For Small Area Geographies. For downloadable datasets please see the ONS Geography web pages  (File...

Click on the title for more details and to download the file.  (File Size - 1 MB)

Click on the title for more details and to download the file.  (File Size - 7 MB)

As at 1st April 2009 in England. The document shows the pre-reorganisation counties and local authority districts and the post reorganisation unitary authorities in England....

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)

This document is the Standard Area Measurements - 2015 User Guide. It provides information regarding the Standard Area Measurements (SAM) products including: types of...

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...