Find electoral boundaries easily
You can launch a map of Great Britain or a map of Northern Ireland.
You will find the web apps particularly useful if you are an elected representative, candidate or party worker, as they clearly show the electoral constituencies against various scales of mapping background. You can choose from a variety of administrative and electoral boundaries that can be overlaid on the mapping.
Electoral boundaries shown for Great Britain and Northern Ireland are those in effect at 5 May 2016.
For pre-released data for the May 2017 elections, see our Boundary-Line support page.
If you have any queries about election maps, please contact us for assistance.
Using our web apps
Read our handy guidance on how to use the election maps web apps, to get you started.
Terms of use
Read the terms and conditions for using our election maps web apps.
The terms are also available in Welsh.
Useful election facts
Take a look at these interesting facts about the different elections held in the UK.
Boundary-Line data
Download and use our OS OpenData Boundary-Line digital mapping for free under OS OpenData terms.
