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Mayor of London and London Assembly Elections

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

Published: 15 January 2021

Last updated: 15 February 2021

The Government has announced that the Mayor of London and London Assembly Elections will take place on Thursday 6 May 2021.

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.

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.