Electorate: 76,166
James MacCleary is the Liberal Democrat MP for Lewes. Check out James MacCleary's Record on Climate.
What Might Happen at the Next General Election?
Based on the latest opinion polls, VoteClimate estimates that if a general election happened today, the result in Lewes would be as follows.
Strongest Vote For Climate
If there were an election today, VoteClimate would recommend the following strongest vote for climate in Lewes:
This is based on the parties' climate policies and pledges and the latest opinion polls. For more details, please scroll down to Voting Recommendations.
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.
What Happened at the July 2024 General Election?
Voting Recommendations
Based on our analysis Party Manifestos - Climate Comparison and our review of current policies, we have ranked the parties' manifestos for their impact on climate:
- Green - very good
- Lib Dems - good
- Labour - underwhelming
- Others - hopeless
We're classifying Lewes as a safe seat, as the predicted majority is greater than 5% of the expected turnout.
We believe that, of the parties with strong climate policies, the Liberal Democrat party has the best chance of winning in Lewes.
For more information please see How VoteClimate Works In Different Types Of Seat.