Search your postcode to find out how the constituency boundary changes affect your area

The constituencies on which all elections have been fought since 2010 have been revised to reflect population changes.

Enter your postcode in the lookup below to see a map of your new and old voting area, as well as charts that show you how it would have voted in 2019 and how many older people, graduates and home owners there are compared with other parts of the country.

Read more: Constituency boundary changes give Keir Starmer a tougher route to Number 10 - find out why with our swingometer
The constituencies and voters Starmer needs to win over to become PM
How boundary changes make Keir Starmer's job even harder - and what he needs to become PM
Boundary changes: How the electoral impact of the new political battlegrounds are calculated

A full methodology of the notional results estimates used by Rallings and Thrasher can be accessed here. The underlying data on all of the new vote estimates for each constituency can be downloaded as a spreadsheet.