VoteClimate's Forecast For The Next General Election indicates that if VoteClimate can recruit 0.5% of the electorate in marginal seats, there are 35 seats where we can change which party wins.

0.5% of the electorate in 35 seats is just 13,000 voters!

We have a huge and historic opportunity to force a race to the top on climate policy

We've flagged those constituencies as "VC Target" in the projection below.

Predicted vote shares (GB): Reform: 27% | Labour: 18.8% | Conservative: 18.3% | Green: 14.5% | Liberal Democrat: 12.2%

[Last updated: June 2026]

NB: these constituencies will likely change as the opinion polls fluctuate.

Here is the predicted result in each constituency:

Next General Election Forecast If 0.5% Vote Climate