Electorate: 73,347
There was a by-election in West Lancashire on 9 February 2023. We're using the December 2019 general election results as the best starting point to predict the next general election.
Most constituencies have been redrawn by the Boundary Commissions since the December 2019 election.
Areas that were formerly in the West Lancashire constituency will at the next general election be in the following constituencies:
For all new seats and a full forecast of the next general election, please see our Electoral Analysis.