Burnham's Makerfield victory could seal Starmer's fate in Labour power struggle

Almost undoubtedly it's in the hands of the voters of Makerfield
Political scientist John Curtice on whether Thursday's by-election would determine Starmer's political future.

In the quiet polling stations of Makerfield, northwestern England, something larger than a parliamentary seat was being decided. A single by-election had become the vessel for a deeper question about Labour's soul — whether the centrist pragmatism of Keir Starmer, battered by scandal and falling poll numbers, would yield to the softer-left populism of Andy Burnham, Greater Manchester's beloved mayor. History has a way of hinging on local moments, and Thursday's vote reminded Britain that the fate of governments can be written in constituencies most people cannot find on a map.

  • Starmer's authority has been hollowing out for months — ministerial resignations, policy reversals, and a controversial ambassadorial appointment have left his leadership visibly weakened.
  • Reform UK swept every council ward in Makerfield just weeks ago, signalling that Labour's traditional working-class heartlands are no longer safe ground.
  • Burnham's candidacy is a constitutional manoeuvre as much as a political one — winning the seat unlocks the formal right to challenge Starmer for the party leadership.
  • The hard-right vote may fracture between Reform and Restore Britain, giving Burnham a path through the turbulence that his opponents cannot easily block.
  • By Friday morning, Starmer will either have bought himself breathing room or face the choice of fighting a leadership contest he may not survive.

On a Thursday in northwestern England, the voters of Makerfield went to the polls for what was officially a parliamentary by-election — but everyone in Westminster understood it as something closer to a verdict on Keir Starmer's future.

At the heart of the contest was Andy Burnham, three-term mayor of Greater Manchester and Labour's most popular figure. To stand in Makerfield, Burnham had required sitting MP Josh Simons to voluntarily step aside — a transparent calculation. Under Labour's rules, only an MP can trigger a leadership challenge, and a win would put Burnham within reach of that threshold. Political scientist John Curtice put it simply: the voters of Makerfield were, in effect, deciding whether Burnham becomes prime minister.

Starmer had arrived in Downing Street in July 2024 on the back of a landslide, but the months since had been punishing. Policy U-turns, a string of ministerial resignations, and the reputational damage of appointing Peter Mandelson — a figure linked to Jeffrey Epstein — as ambassador to Washington had eroded his standing. Reform UK, Nigel Farage's hard-right party, had led national polls for over a year and swept Makerfield's council wards just weeks earlier.

On the ground, voters were divided. Some saw Burnham as a genuine champion of working people; others suspected he was using the constituency as a ladder to higher ambition. Farage campaigned hard for Reform's candidate, framing the choice as one between controlled borders and open ones. A second hard-right party in the race threatened to split that vote, potentially easing Burnham's path.

In Westminster, the mechanics of succession were already being quietly rehearsed. Burnham would need 81 MPs to formally trigger a contest — a bar his allies believed he could clear. Starmer had pledged to fight. But some in his own circle were hoping he might be persuaded to step aside before a damaging internal battle began. When counting started at 10 p.m., Britain settled in to learn whether its prime minister still had a future in the role.

On Thursday, voters across the Makerfield constituency in northwestern England filed into polling stations to cast ballots in what may prove to be one of the most consequential local elections in recent British politics. The by-election was ostensibly about filling a parliamentary seat. In reality, it was a referendum on whether Prime Minister Keir Starmer would survive the week.

At the center of the contest stood Andy Burnham, the three-term mayor of Greater Manchester and one of Labour's most recognizable figures. Burnham, a soft-left critic of Starmer's centrist approach, had stepped away from his mayoral duties to run for parliament in Makerfield—a move that required Labour MP Josh Simons to voluntarily stand down. The calculation was transparent: if Burnham won the seat, he would meet the party's constitutional requirement to be an MP before launching a leadership challenge. Political scientist John Curtice framed the stakes plainly: "Almost undoubtedly it's in the hands of the voters of Makerfield as to whether or not Burnham becomes prime minister." A victory would put Burnham on a path to Downing Street. A loss might buy Starmer time, at least temporarily.

Starmer had been in office since July 2024, riding a landslide election victory over the Conservatives. But the intervening months had been brutal. He had reversed course on several major policies, endured a cascade of ministerial resignations, and absorbed a reputational blow when he appointed Peter Mandelson—a figure with ties to Jeffrey Epstein—as ambassador to Washington. His personal approval ratings had cratered. Reform UK, the hard-right party led by Nigel Farage, had been leading national polls for over a year. In local elections the previous month, Reform had swept every council ward in Makerfield, a predominantly white, working-class area where Labour had traditionally dominated. The 76,000 voters in the constituency had given Labour's previous MP a majority of only about 5,300 in 2024—a margin that looked precarious.

Yet Burnham remained Labour's most popular politician, and polls suggested he would overcome the Reform challenge. Farage, campaigning for Reform candidate Robert Kenyon, a local plumber, framed the choice starkly: a vote for Kenyon meant stopping the small boats arriving at British shores; a vote for Burnham meant open borders. Kenyon himself had been shadowed by past offensive remarks about women. A third hard-right party, Restore Britain, was also fielding a candidate, likely to split the anti-immigration vote.

On the ground, voters expressed competing visions of what the by-election meant. Hazel Ellis, 61, told reporters she was backing Reform because "this is the last hope for Britain now." Frank Hesketh, a 72-year-old pensioner, saw Burnham differently—as an opportunist using Makerfield as a stepping stone to higher office. "We'll never see him around here again," Hesketh said. But Kamran Shirpor, a 49-year-old taxi driver, viewed Burnham as genuinely invested in the community. "He tries to help people," Shirpor said. "I like him and think he'd be a good prime minister."

The mechanics of what would follow a Burnham victory were already being discussed in Westminster. Under Labour rules, he would need the backing of 81 of the party's 400-plus MPs to trigger a leadership contest—a threshold he would almost certainly clear. Starmer had vowed to fight any challenge. But Burnham's allies were quietly hoping that Starmer's inner circle might persuade him to step down voluntarily, avoiding a divisive party battle. Wes Streeting, an ex-health minister also positioning himself as a potential successor, had suggested on Tuesday that Starmer should be given "space over the weekend" to consider his future. Polling stations were set to close at 10 p.m., with counting to begin immediately. By Friday morning, Britain would know whether Starmer's grip on power had held or begun to slip.

If Burnham does win, his path to 10 Downing Street looks to be relatively assured. If they deny him the opportunity, it may be that Starmer will survive, at least for the time being.
— John Curtice, political scientist
It's a stepping stone for the guy. We'll never see him around here again.
— Frank Hesketh, 72-year-old pensioner in Makerfield
La Conversación del Hearth Otra perspectiva de la historia
Inventor

Why does a single by-election in one constituency matter so much to the fate of a prime minister with a landslide mandate?

Model

Because Starmer's mandate has evaporated. He won in July 2024 on a wave of anti-Conservative sentiment, but nine months of U-turns, scandals, and poor polling have hollowed out his authority. A Burnham victory signals that even Labour's own voters don't trust his direction anymore.

Inventor

What makes Burnham different from Starmer in the eyes of the party?

Model

Burnham comes from Labour's soft-left tradition—he's skeptical of Starmer's centrist, technocratic approach. He's also genuinely popular in the regions, especially the North. He's the "King of the North" for a reason. Starmer is a London lawyer who feels distant to working-class voters.

Inventor

But Burnham had to give up his mayoral position to run for this seat. Isn't that risky?

Model

It is. If he loses, he's left without either job. But the calculation is that winning Makerfield gives him the platform to reshape the entire party. The mayoralty becomes secondary.

Inventor

Reform UK is leading national polls. How does Burnham beat them in a constituency where they swept the council elections?

Model

Personal brand. Burnham is known and trusted locally in ways that Robert Kenyon, the Reform candidate, simply isn't. Reform's strength is national and anti-establishment. Burnham is the establishment figure people actually like.

Inventor

What happens if Starmer refuses to step down after a Burnham victory?

Model

Then Labour tears itself apart. A leadership contest would be brutal and public, weakening the party heading into what could be a general election within two years. That's why Starmer's allies are already hinting he should consider his position.

Inventor

Is there any scenario where Starmer survives this?

Model

If Burnham loses. But that would require Reform to outperform every poll and every expectation. Most analysts think it's unlikely. The real question isn't whether Burnham wins—it's whether Starmer fights or goes quietly.

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