Starmer on fight mode as betting markets price Labour leadership coup

By | May 13, 2026

PM Keir Starmer insists he is “going nowhere” in the aftermath of last week’s local elections, which saw Labour lose 1,496 council seats across England.

At a local level, the map of UK politics has shifted dramatically as the traditional stalwarts of the Labour and Conservative parties surrendered constituency support to Reform UK, the Green Party and a new bloc of independent councillors.

Yet Labour’s pummelling comes as no surprise, as all observers predicted a wipeout of council seats held by a governing party that is viewed by many as “going nowhere”.

Starmer wants a last dance

In the Labour camp, the spotlight now turns to Starmer and how much the PM is directly to blame for this historic beatdown.

As of this morning, 93 Labour MPs had publicly called for Starmer to resign or announce a timetable for his departure, intensifying pressure on the Labour leader despite the party retaining a commanding parliamentary majority in the Commons.

The scale of Labour’s crisis is amplified by projections based on local election vote shares, which suggest that, if replicated nationally, Labour could collapse from government-level dominance to roughly 110 Commons seats, with Reform UK emerging as the largest parliamentary bloc.

The scenario has fuelled growing panic among Labour MPs over whether Starmer remains the right figure to defend what critics are increasingly branding as Labour’s “loveless majority” won at the 2024 general election.

Sam Rosbottom: Betfair

Betting markets have reacted aggressively to the mounting political turmoil. Sam Rosbottom, spokesperson for Betfair Politics, stated: “Once again Westminster has descended into chaos. The future of Sir Keir Starmer as Prime Minister is in serious doubt and punters don’t see him lasting the year, let alone to the next general election.”

Rosbottom noted that Starmer is now priced at 5/7 (58% implied probability) to leave Number 10 between July and September, shortening sharply from 7/5 overnight (41%), while the PM is rated 1/20 to have been replaced before the next general election.

“It’s looking increasingly likely that the UK will have four Prime Ministers in four years, almost Chelsea Football Club levels of managerial turnover,” Rosbottom added. 

“Although the market for who will be next through the door at Number 10 looks a little more solid compared to who could be next in the dugout at Stamford Bridge.”

Burnham & Streeting play suitors game

As speculation over a Labour succession battle intensifies, betting markets have narrowed on three leading contenders.

Greater Manchester Mayor Andy Burnham currently heads Betfair’s market at 13/5 (28%), despite questions over how he would return to Westminster. 

Health Secretary Wes Streeting follows at 10/3 (23%), with former Deputy PM Angela Rayner priced at 9/2 (18%)

Kyle McGrath of Entain Politics said political betting markets had rapidly transformed into one of the industry’s busiest segments of the year.

“One of the other hats I wear here is managing Eurovision, which I thought would be the biggest political betting heat of the year,” McGrath remarked. “Burnham vs Streeting later in the year could run it close though.”

McGrath added that customer activity increasingly points toward expectations of Starmer exiting office before the end of 2026.

“My personal opinion is that KS won’t make it to the end of the year,” he said. “The list of MPs asking for his resignation is now at 92, with likely plenty more behind the scenes and indeed within his own cabinet thinking the same.”

UK politics enters dealmakers arena

According to Entain’s trading desk, the majority of bets placed on Starmer’s departure date are focused on 2026 outcomes, with April-to-June 2026 proving particularly popular among customers seeking a timetable for a leadership transition.

On Labour’s succession race, McGrath noted that betting has been spread relatively evenly across Burnham, Rayner and Streeting, while outsider names including Al Carns have also attracted support in recent days.

Beyond Labour’s internal troubles, the elections are increasingly being interpreted as evidence that Britain has entered a new era of fragmented politics – mirroring that of other European nations. 

The traditional parties of Labour, the Conservatives and Liberal Democrats are no longer operating within a tri-party spectrum, but a fractured electoral map shaped by the rising popularity of Reform and the Greens.

For Westminster stalwarts, changes deem that future party leaders may require a completely different political skillset, not simply as ideological taskmasters.

Labour has a greater need for negotiators and dealmakers capable of navigating a divided electorate with competing demands across immigration, cost-of-living pressures, public services and ever-present identity politics.

Despite growing market speculation over political instability, bookmakers remain unconvinced that Britain is heading toward an early general election.

Entain currently prices a 2026 General Election at 8/1 (11%) and a 2027 vote at 5/1, “some customers have been looking to back an early General Election, perhaps influenced by Farage & Tice’s regular comments on the topic”.

 A certain conclusion for Westminster and betting analysts alike is that the UK has entered a brave new world of politics, one trying to appease the demands of a diverse and fragmented electorate.

Sir Keir Starmer may well be the first major casualty of this generational change…

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