Andy Burnham is standing in the Makerfield by-election on 18 June 2026, seeking to return to Westminster as the constituency's MP after years as Greater Manchester Mayor.

The seat became vacant on 18 May 2026 when Josh Simons stood down, having held Makerfield for Labour since the July 2024 general election. Simons won that contest with a majority of 5,399 — 13.4 percentage points — on a turnout of 52.5% from an electorate of 76,641. Before him, Yvonne Fovargue held the seat continuously for Labour from 2010 to 2024.

The constituency itself is a product of the 2023 boundary review. The old Makerfield seat — a safe Labour stronghold in the North West of England — was dissolved after the 2024 changes; the current constituency of the same name is its successor, carrying a broadly similar geographic and demographic footprint in the Wigan borough area.

The Candidates

Burnham stands as the Labour and Co-operative candidate. He steps down from the mayoralty — a directly elected regional office covering Greater Manchester's ten local authority areas — to contest the seat. BBC News reported his candidacy on 11 June 2026.

The other principal candidates are Robert Kenyon for Reform UK, Jake Austin for the Liberal Democrats, and Michael Winstanley for the Conservatives. All four were confirmed by BBC News reporting from 8 June 2026.

What the Numbers Say

A majority of 5,399 on a 52.5% turnout is a solid but not impregnable position for Labour in a by-election. By-election turnout almost always falls below the general election figure — a low-turnout contest can compress majorities and occasionally produce surprise swings — and the landscape since July 2024 has been complicated by Reform UK's sustained polling strength nationally.

The seat's electorate stands at 76,641. For context, even at the 2024 turnout rate, just over 40,000 votes were cast. A meaningful drop in Labour-leaning participation while Reform UK mobilises its base is the structural risk the party will have modelled carefully.

Burnham's personal vote is the countervailing factor. He won the Greater Manchester mayoral election in 2024 with a commanding majority and has been one of the most prominent elected figures in English regional politics for the better part of a decade. Whether a metropolitan mayoral profile translates cleanly to a constituency ballot — where local casework, not city-region strategy, defines the role — is the question his opponents will press.

The Conservatives, running Michael Winstanley, face a different calculation. Their 2024 general election result in seats of this type was often third or fourth place; the risk of tactical squeeze between Labour and Reform UK is real. The Liberal Democrats, with Jake Austin, are contesting ground where they have rarely been competitive in recent cycles.

For Reform UK, Makerfield is a test of whether their vote in the 2024 general election — when Nigel Farage's party polled strongly across parts of the North West — can be converted and consolidated in a post-election environment. Kenyon's candidacy is the vehicle for that argument.

The broader political read, as much as any single by-election can carry one, is about the resilience of Labour's working-class northern base. Burnham's name on the ballot is partly an answer to that question in itself — a signal from Labour high command that the seat is being treated as a priority rather than a safe hold. Whether the electorate returns the compliment will be known on the night of 18 June 2026.