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Tuesday, October 13, 2026
Insight Bright Blog

An Alert to Keir Starmer from His Personal History: If You're Not Bold on Brexit and the EU, His Party Challengers Might Be.

Back in 2018, it took just eight words to electrify the party's annual gathering and to show Labour was falling out of love with its then leader. While not exactly stirring rhetoric, the words were greeted with wild cheering as most of the hall stood for an impromptu ovation.

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: "Nobody is ruling out staying in the EU". But context is everything.

During that deeply polarized period of 2018, straying from the prepared script in this way was inevitably viewed as issuing a challenge to Jeremy Corbyn, who was trying to prioritise leave supporters in key constituencies over the pro-European instincts of his party. In just one speech, this seemingly cautious opposition Brexit spokesman underwent a transformation – if only for a while – into a risk-taker who championed most Labour MPs, members and voters against a leader he would later replace.

The Evolution of Stance & Closed Debates

Since then, much has happened, not least to Starmer himself. One of his first acts after taking over in 2020 was declaring the EU question was resolved by the previous year’s general election. During the most recent campaign, he repeatedly emphasised manifesto “red line” promises that forbade rejoining the European Union or its core structures.

Like his predecessor, his strategy has been to pursue Brexit-y voters in key seats, even if survey data indicates a significant number have passed away or shifted opinion.

A Lid That Rattles on the EU

However, the tables have turned and Starmer is now to be an embattled party leader. While Europe is no longer the central crisis of British politics, the cap which was firmly shut since Brexit is beginning to rattle once more.

Both Starmer and Rachel Reeves have intensified their language regarding the damage that leaving the EU has inflicted on Britain's economic standing. It’s a useful stick with which to beat Nigel Farage, who now rarely mentions how leaving the EU was his primary goal and is still his sole political accomplishment.

Nevertheless, the scale of the damage, reportedly has left Britain with an economy that is between 6% and 8% smaller than if it were still in the EU, dwarfs the minor adjustments thus far implemented by ministers. Starmer’s so-called relationship reset agreed with Brussels in 2024 offers economic benefits quantified in fractions of a percent.

Cabinet Divergence and Bolder Ideas

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

David Lammy has pondered publicly about the “self-evident” benefits of joining a customs union with the EU, while a dozen Labour MPs, such as the head of the Treasury select committee, recently supported an opposition proposal on customs union membership.

While Nick Thomas-Symonds, the minister in charge of UK-EU relations, who is now attending all cabinet sessions, insists the firm boundaries remain unchanged, there exist avenues these could be bypassed. A proposal would be to announce the start of negotiations now for a more ambitious agreement, to be featured in the next manifesto, with implementation only if Labour won a new electoral mandate.

The Prime Minister's Fundamental Scepticism

However, Starmer has lately been damping it all down again by warning rejoining an EU customs arrangement could undermine the trade pacts with the US, which he views as key accomplishments of his premiership.

It is understood that the PM’s scepticism run even deeper, and is rooted in several key concerns.

  1. First, he thinks a customs pact has been made significantly more difficult as ministers are busily de-aligning from European rules across a range of policy areas, including the environment.
  2. Secondly, the prohibitive cost set for the UK to join a European defense initiative and the ensuing failure of negotiations has led UK negotiators that former EU partners are less interested in cutting special deals to the UK than in demonstrating that leaving the EU was a mistake.
  3. Lastly, America's latest security doctrine, which has been welcomed by the Kremlin, is seen by some influential figures in Number 10 as grounds for the UK to maintain distance from the EU.

A Bizarre Document & Geopolitical Calculations

This strange and concerning document asserts Europe is threatened by cultural extinction because of Muslim migration. It includes only one reference of the UK, found on a suggestion that Donald Trump’s administration will intervene in British politics to encourage the rise of nationalist movements.

But, far from concluding that this makes America an undependable ally, the government reportedly fear that deeper EU integration could upset the global balance by endangering precarious American backing for Kyiv, NATO, and other alliances.

Succession Chatter and The Ghost from the Past

This situation brings us back to 2018. Starmer has always said that address was not a pitch for the leadership but simply an attempt to preserve the possibility of remain in a future vote. Indeed, back then, Starmer still favoured a “bespoke customs union deal” of the kind he now appears to be opposing.

But it’s not been lost on Downing Street have noticed that Wes Streeting, widely considered would stand for the leadership, is part of a clutch of cabinet ministers letting it be known they desire greater ambition on Europe.

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

The Obvious Danger & A Wise Memory

The danger is obvious. If Starmer rules out significant moves towards a close relationship, he cedes ground to claim the territory where the overwhelming majority of the party's supporters are to be found.

It would be prudent of him to recall the impact that a short phrase had for him in 2018. There are options for a major proposal on Europe which the PM should not “rule out”; he should explore them himself, before someone else adopt them as their own.

Written by

Michelle Lopez

A London-based tech journalist with over a decade of experience covering UK startups and digital transformation.

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