Electorate: 71,300
Holborn and St Pancras was the constituency of former Prime Minister Keir Starmer. Following Keir Starmer's resignation as an MP, a by-election will be held on Thursday 8 October.
The main candidates are:
This is likely to be a hotly contested race between Labour's Sagal Abdi-Wali - currently the leader of Camden Council - and Zack Polanski, the leader of the Green Party.
Voting in this election? We recommend voting Green as this is the strongest vote for climate.
The next section is a projection using national opinion polling and the results at the previous General Election, and does not take account of the local context in the upcoming by-election.
Based on the latest opinion polls, VoteClimate estimates that if a general election happened today, the result in Holborn and St Pancras would be as follows.
This constituency projection is based on the following national vote shares (GB): Labour: 25.4% | Reform: 23.3% | Conservative: 19.9% | Green: 11.7% | Liberal Democrat: 10.4%
[Last updated: September 2026]
For our full forecast of the next general election, please see our Electoral Analysis.