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Built-up Area (2011) compared to Major Towns and Cities (2015) Swipe Map

Publisher
Office for National Statistics
Updated
25 March 2026
Topic
Not set
Licence
Not set

Summary

How would you define the boundaries of a town or city in England and Wales in 2016?

Maybe your definition would be based on its population size, geographic extent or where the industry and services are located. This was a question the ONS had to consider when creating a new statistical geography called Towns and Cities.

In reality, the ability to delimit the boundaries of a city or town is difficult!

Major Towns and Cities

The new statistical geography, Towns and Cities has been created based on population size and the extent of the built environment. It contains 112 towns and cities in England and Wales, where the residential and/or workday population > 75,000 people at the 2011 Census. It has been constructed using the existing Built-Up Area boundary set produced by Ordnance Survey in 2011.

This swipe map shows where the towns and cities and built-up areas are different. Just swipe the bar from left to right.

The blue polygons are the towns and cities and the purple polygons are the built-up areas.

Data links

Link Format Preview Updated
ArcGIS GeoService ARCGIS GEOSERVICES REST API 18/3/2026
ArcGIS Hub Dataset HTML 18/3/2026

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Additional information

Source Metadata
XML, HTML
Harvest GUID
https://www.arcgis.com/home/item.html?id=5379d0af2a5b4f2290142b2d40fcda1a

Contact

Enquiries

ons.geography@ons.gov.uk

Freedom of information (FOI) requests

FOI.Team@ons.gov.uk