David Lammy prepares to challenge for London mayor if Sadiq Khan steps down

In the UK, David Lammy is planning to run for Mayor of London if Sadiq Khan decides not to seek re-election in 2028. Khan, who has been in office since May 2016, will announce his decision next year. Lammy's interest in the position comes as Labour is regaining support against the Green Party, whose fortunes are declining.

David Lammy prepares to challenge for London mayor if Sadiq Khan steps down
1 source
politics Published Aug 8, 2026

Topic overview

In brief

  • David Lammy is considering a run for Mayor of London if Sadiq Khan opts not to seek a fourth term.
  • Khan will announce his decision next year, potentially extending his tenure to 16 years.
  • Lammy's bid reflects Labour's resurgence against the Greens, indicating a competitive mayoral race ahead.

Summary

In the United Kingdom, David Lammy, the former deputy prime minister and current MP for Tottenham, is reportedly preparing to run for the position of Mayor of London. This potential bid hinges on whether the incumbent mayor, Sadiq Khan, decides not to seek re-election for a fourth term in 2028. Khan, who has been in office since May 2016, has indicated that he will make a decision regarding his candidacy next year. If he serves another full term, he will have held the mayoralty for a total of 16 years. Lammy's interest in the position comes at a time when Labour is regaining ground against the Green Party, led by Zack Polanski, whose party is experiencing declining support. Labour sources suggest that Lammy believes the current political landscape presents an opportunity for his party to reclaim the mayoralty. Lammy's previous attempts to run for mayor included a formal announcement in 2014, where he positioned himself as a candidate for all Londoners and criticized both Boris Johnson and Ken Livingstone. His proposals included linking affordable housing to average earnings and introducing a cap on private-sector rents. Supporters of Khan view him as a progressive leader who has made significant strides in areas such as air pollution and social programs, while critics point to challenges in street crime and financial management of Transport for London. As the political climate evolves, Lammy's potential candidacy could reshape the dynamics of the upcoming mayoral election.

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Updated Aug 8, 2026

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