By-Election Tracker

Andy Burnham won after Labour MP Josh Simons resigned specifically to create the vacancy, allowing Burnham to stand and challenge Keir Starmer for the Labour leadership from within Parliament — the first by-election triggered this way since the 1965 Leyton by-election. Burnham won 54.8% of the vote, increasing Labour's majority from 5,399 at the 2024 general election to 9,231.

Conservative gain from the SNP, following Stephen Flynn's resignation after he was elected to the Scottish Parliament for Aberdeen Deeside.

SNP hold, following Stephen Gethins' resignation.

Green Party gain from Labour

Reform UK gain from Labour