Key Takeaways
- Keir Starmer’s 2024 landslide gave Labour a large parliamentary majority but only a modest share of the popular vote, framing the win as a “loveless landslide.”
- Within two years, Labour’s poll numbers have collapsed, trailing Reform UK by nearly ten points, while public sentiment has turned sharply against Brexit.
- The underlying cause of Labour’s troubles is the economic cost of Brexit, which has lowered long‑run GDP by about four percent and left the UK vulnerable to global shocks.
- Rising ten‑year government bond yields—now 115‑185 basis points above France and Germany—signal that markets doubt the UK’s growth prospects despite disciplined fiscal policy.
- A clear majority of Britons now view Brexit as a mistake, with most Labour supporters favouring a customs union, yet the party leadership remains wary of appearing to betray the 2016 referendum.
- Andy Burnham, the likely successor to Starmer, faces a trilemma: he cannot simultaneously honour the Brexit settlement, regain market credibility through growth, and keep the Labour coalition united.
- A potential solution is a “grand bargain” whereby the UK trades robust security and defence contributions for durable access to the EU single market, preserving key Brexit opt‑outs.
- Without such a deal, the UK faces continued decline, higher borrowing costs, fiscal tightening, and a further erosion of Labour’s electoral base.
The 2024 Labour Victory and Initial Promises
When Keir Starmer led Labour to a resounding win in July 2024, he portrayed the result as the end of fourteen years of Conservative mismanagement and the dawn of a stable, technocratic government. Starmer, a former director of public prosecutions, contrasted his seriousness with Boris Johnson’s lockdown parties and Liz Truss’s fiscal chaos, while Chancellor Rachel Reeves pledged fiscal responsibility coupled with a more active state. Labour secured 33.7 percent of the national vote, which translated into 411 of 650 Commons seats thanks to the electoral system’s distortions. The victory was immediately labelled a “loveless landslide,” reflecting a lack of enthusiastic endorsement, but it gave Starmer the benefit of the doubt to govern.
The Erosion of Public Support
Almost two years later, that benefit has evaporated. Labour now trails Nigel Farage’s Reform UK party by almost ten points in most national polls—a stark reversal from 2024, when Reform’s share was nearly twenty points below Labour’s. On June 22, Starmer announced his imminent resignation, acknowledging that his position was no longer tenable. His almost certain successor is Andy Burnham, the former mayor of Greater Manchester who won a Makerfield by‑election with 55 percent of the vote. The rapid decline in Labour’s fortunes reflects growing voter disappointment and a shift in the political landscape.
Underlying Causes: Brexit’s Economic Bill
Analysts often cite tactical missteps—Starmer’s communication lapses, Reeves’ tight fiscal rules, cuts to pensioners’ winter fuel payments, and a 2025 tax on family farms—as reasons for Labour’s slide. However, these are symptoms of a deeper malaise: the economic fallout of Brexit is finally coming due. For a decade the UK postponed a full reckoning with its 2016 decision to leave the EU. Starmer’s strategy aimed to neutralise Brexit as a live issue, ruling out a customs union or single‑market membership and presenting modest regulatory cooperation as the limit of his ambition. While this approach avoided short‑term political cost, it left the economy exposed when global conditions deteriorated.
The Bond Market Signal and Fiscal Constraints
The consequences are evident in the bond market. Ten‑year UK government bond yields have risen steadily through 2025 and into 2026, now trading at a premium of roughly 115 basis points over French bonds and 185 basis points over German ones. This spread does not reflect weaker public finances—UK finances resemble those of Paris and Berlin—but signals poorer growth expectations and a diminished capacity to absorb shocks. Although Reeves has been more fiscally disciplined than her Conservative predecessors, the rising yields indicate that markets doubt the UK can grow out of its current trap without either a fundamental change in its EU relationship or prolonged austerity that would test political tolerance.
Shifting Public Opinion on Brexit
Public attitudes have shifted markedly. YouGov polling since 2022 shows a majority now regard Brexit as a mistake; in the most recent survey, 56 percent of Britons said leaving the EU was wrong. Among Labour voters, roughly four in five support opening negotiations on a customs union. Yet there is no consensus for full EU re‑entry. The debate has moved from whether Brexit delivered on its promises to how closely the UK should reconnect with Europe. Many of those who favour closer ties nonetheless back Reform UK, illustrating disillusionment with the established parties rather than renewed enthusiasm for Brexit itself.
The Trilemma Facing Labour’s Successor
Andy Burnham, poised to become prime minister, confronts a classic trilemma. He can achieve any two of the following three objectives but not all three: (1) preserve the legitimacy of the Brexit settlement, (2) restore credibility with bond markets through a believable growth strategy, and (3) maintain unity of the Labour coalition that delivered the 2024 landslide. Honouring the referendum and keeping the coalition together would leave markets dissatisfied, stifling growth and shrinking fiscal space. Pursuing a customs union or single‑market realignment would likely provoke a “Brexit betrayal” campaign from Reform, risking Labour’s majority. Attempting a middle ground—deeper sectoral integration coupled with rhetorical defence of Brexit—could leave the UK with too little to satisfy investors and too much concession to appease Brexiteers, yielding the worst of both worlds.
A Possible Grand Bargain: Security for Market Access
A way out of the trilemma lies in a grand bargain: the UK offers the EU substantial military and intelligence capabilities in exchange for durable access to the single market. Such a deal would supply the economic integration needed to reassure bond markets while avoiding the outright repudiation of Brexit that would fracture Labour’s coalition. The geopolitical context has shifted: alarmed by U.S. tariffs, the abandonment of Ukraine, and threats to Greenland, European states are taking defence more seriously. The EU has launched a $175 billion rearmament programme, borrowing collectively for the first time. Franco‑British coalitions have already anchored Ukraine’s defence and convened initiatives such as the Strait of Hormuz mission. By tying British armed forces, defence industry, and intelligence services into Europe’s collective defence through joint procurement, integrated planning, and treaty‑bound contributions, the UK could secure a quid pro quo: market access in return for security guarantees. Opt‑outs—no euro adoption and no unconditional free movement of people—could make the package palatable to the British public, while managed, reciprocal labour‑mobility schemes might address EU concerns about migration.
The Road Ahead: Choices and Consequences
If Labour fails to pursue such a bargain, the UK faces continued decline: rising borrowing costs, fiscal tightening, and a further erosion of public trust. The party that rose to power on a promise of competent management would then be forced to reckon with the damage its predecessors inflicted and decide whether it can summon the courage to undo some of it. As history shows—recalling the Callaghan government’s 1970s IMF confrontation—external discipline can eventually compel painful adjustments, but the political cost can be severe (Labour spent eighteen years out of office after that episode). The current leadership stands at a similar inflection point. Whether it chooses to confront the trilemma head‑on with a security‑for‑market deal or persists in half‑measures will determine not only Labour’s electoral fate but also the UK’s ability to navigate an increasingly hostile global environment. Brexit’s bill has come due; someone must pay it, and the terms of that payment will shape Britain’s future for years to come.