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Thursday, October 15, 2026
Cosmic Club Station

An Warning to Keir Starmer drawn from His Personal Past: If You're Not Bold regarding Britain's EU Exit and the EU, His Party Challengers Will Be.

Back in 2018, it took just a short phrase to ignite a Labour conference and to show Labour was falling out of love with Jeremy Corbyn. While not precisely stirring rhetoric, the words met with wild cheering as most of the hall rose in spontaneous acclamation.

As the commotion died down, the then-Brexit spokesman, remained at the lectern, blinking in surprise. He was unaccustomed to his speeches producing such a reaction. His statement was simply: "We are not excluding staying in the EU". Context, however, is key.

In that deeply polarized period of 2018, departing from the prepared script in this way was inevitably viewed as laying down the gauntlet to the party leader, who sought to prioritize Brexit voters in key constituencies above the pro-European instincts of his party. With that single address, this grey-suited shadow Brexit secretary was transformed – if only for a while – into a risk-taker who championed most Labour MPs, members and voters against a leader he later succeeded.

The Shift of Stance and Closed Debates

Since then, the landscape has shifted, not least to Starmer himself. An early move after taking over in 2020 was to declare the Brexit issue had been settled by the 2019 national vote. During the most recent campaign, he consistently stressed manifesto “red line” commitments that forbade rejoining the European Union or its core structures.

Similar to Corbyn, his strategy has been to pursue pro-Leave voters in target constituencies, despite polling evidence indicates a significant number have died or changed their minds.

Pressure Building on Europe

Yet, it’s now the prime minister’s turn to face the pressures of being a Labour leader. While Europe is no longer the boiling pot in UK politics, a lid which was tightly sealed for five years is starting to loosen again.

Both Starmer and Rachel Reeves have ramped up the rhetoric regarding the damage caused by Brexit has inflicted on the UK’s economy. This serves as an effective tool to criticize Nigel Farage, who seldom discusses his flagship policy was once his singular purpose and is still his only real achievement.

Nevertheless, the extent of the economic harm, which by some estimates has resulted in an economy that is between 6% and 8% smaller than if it were still in the EU, towers over the minor adjustments thus far implemented by the government. Starmer’s so-called re-set deal negotiated with the EU in 2024 provides gains quantified in low decimal points.

Cabinet Divergence & Bolder Ideas

Rachel Reeves is among those attempting to bypass long-standing interior ministry opposition to a broader scheme of a growth-enabling youth mobility scheme allowing young people can travel between the UK and the EU for work or study.

The deputy prime minister has pondered publicly regarding the clear advantages of being in an EU customs pact, as several Labour backbenchers, such as the head of the Treasury select committee, recently supported a Liberal Democrat motion on customs union membership.

Although the Europe minister, the minister in charge of EU policy, who is now attending every cabinet meeting, maintains the firm boundaries remain unchanged, there are ways these could be bypassed. A proposal involves declaring the commencement of talks immediately for a more ambitious agreement, for inclusion in the next manifesto, to be enacted only after securing a fresh mandate.

The Prime Minister's Deep-Seated Doubts

Yet, Starmer has lately been damping it all down again by warning rejoining an EU customs arrangement would “unravel” the trade pacts with the US, which he views as key accomplishments of his government.

Reportedly that Starmer's doubts run even deeper, and is rooted in several key concerns.

  1. First, he believes any customs union agreement has been made significantly more difficult because his ministers actively diverging from EU regulations in numerous sectors, like environmental standards.
  2. Secondly, the prohibitive cost set for the UK for entry into the EU’s new defence fund and the subsequent collapse in talks has convinced British officials that former EU partners have little interest in offering favorable terms to the UK and are more focused on proving that Brexit does not work.
  3. Thirdly, the new US national security strategy, which has been welcomed by Moscow, is seen by key advisors in Downing Street as a reason for Britain to keep its distance from the EU.

A Bizarre Strategy and Strategic Calculations

This bizarre and terrifying document asserts Europe faces “civilizational erasure” due to Muslim migration. It contains only one reference to Britain, placed beside a proposal that Donald Trump’s administration will intervene in British politics to foster the rise of “patriotic” parties.

But, far from deciding that this renders the US an undependable ally, ministers is worried that aligning closer with Europe could upset the global balance by risking fragile US military support for Kyiv, NATO, and other alliances.

Leadership Speculation & The Echo from the Past

All of which brings us back to the conference of 2018. The PM has consistently stated that address was not a pitch for the leadership but merely an effort to preserve the “option” of staying in the EU in a future vote. In fact, in those days, he still supported a “bespoke customs union deal” of the kind he now appears to be opposing.

But it’s not been lost on the Prime Minister's office have noticed that Wes Streeting, who just about everyone assumes would stand for the leadership, is among a group of senior ministers signaling they want to go further regarding the EU.

Aides to the Deputy Prime Minister, another probable runner in a future race to replace Starmer, insist she won’t discuss her position regarding a customs pact because it would only “fuel unnecessary gossip”.

The Obvious Danger and A Prudent Reminder

The danger is obvious. Should the PM reject significant moves towards a close relationship, he cedes ground to occupy the space where most of the party's supporters are to be found.

It would be prudent for Starmer to remember the impact just a few words had for him seven years ago. There are options for a big offer on Europe that the prime minister ought to consider; he should prise them open himself, rather than letting rivals makes them his – or her – own.

By

Stephanie Ho

Astrophysicist and science communicator passionate about making space accessible through engaging content and research.

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