Skip to main content

Mayor of London and West London Assembly election - May 2021

Find out information about the London Mayoral and London Assembly election.


The Mayor of London, London Assembly and the Churchill by-election took place on Thursday 6 May 2021.

Visit the London Elects website for results.

Visit the Churchill by-election page for the result.

Notices of election

Notice of poll Mayoral PDF, 37.13 KB, 2 pages

Voting in these elections

To vote in these elections you must:

  • be registered to vote
  • be at least 18 years old on the day of the elections
  • be a British citizen, a European Union citizen or a Commonwealth citizen who has or does not require leave to remain in the UK

Remember, being registered with the council for services and paying council tax will not automatically include you on the electoral register.

British citizens living overseas can’t vote in the Mayor of London and London Assembly elections.

Register to vote

Key dates

  • Monday 19 April 2021 - deadline to register to vote
  • 5pm on Tuesday 20 April 2021 - deadline for new postal vote applications and for changes to existing postal or proxy votes
  • 5pm on Tuesday 27 April 2021 - deadline for receiving new applications to vote by proxy (not postal proxy or emergency proxy)

A proxy is a person who votes on behalf of another voter. The proxy must be eligible to vote at these elections.

Polling day takes place on Thursday 6 May 2021 from 7am to 10pm.

Useful information

Where do I vote?


You can also find this booklet in other languages.

Published: 15 January 2021

Last updated: 9 October 2023