2 March 2026
Henry ZeffmanChief Political Correspondent
“Engaging in armed conflict in breach of international law is a precarious business.” These words, penned by Keir Starmer QC in March 2003 as Britain stood on the brink of the Iraq War, resonate sharply today. Nearly 25 years later, now as Prime Minister Sir Keir Starmer KC faces a critical decision on how the UK will respond to renewed American military actions in the Middle East.
In a high-profile address released by Downing Street on Sunday night, Starmer confronted the legacy of past mistakes head-on: “We all remember the mistakes of Iraq. And we have learned those lessons.” His remarks underscored a determination to chart a distinctly British path amid escalating regional tensions.
Prioritizing British Interests Amid Regional Turmoil
Closing his speech, Starmer emphasized the UK’s national interest with pointed repetition: “This is the British government, protecting British interests and British lives.” This deliberate framing signals a clear departure from the broader US and Israeli ambitions for regime change in Iran.
Starmer’s government has already distinguished itself by refusing to participate or assist in the initial US-led strikes, resisting calls to label those actions as unlawful but implicitly rejecting them. This stance sets the foundation for a nuanced UK position.
New UK Policy on Military Bases and Strikes
Most notably, Starmer introduced a calibrated shift: while the UK will not engage in “offensive action” against Iran, it will permit the US to use joint UK-US bases to conduct targeted strikes. The government justifies this move as necessary to degrade Iran’s missile and drone capabilities, which threaten Gulf states home to thousands of British citizens.
This limited scope marks a clear distinction from previous US requests that Starmer rebuffed—requests to employ British bases for broader Iranian strikes aimed at regime change.
Political Fault Lines Over UK’s Role
The UK Parliament reflects deep divisions over this approach. Critics on the left, including the Greens and Liberal Democrats, oppose any UK facilitation of strikes, fearing deeper entanglement in an escalating war. Conversely, voices on the right, notably the Conservatives and Reform UK, argue for more robust support to remove a regime they view as a regional menace.
Starmer has sided with caution, condemning regime change by military means: “This government does not believe in regime change from the skies.” However, within his own Labour Party, opinions span the full spectrum, reflecting foreign policy fractures intensified since the events of 7 October 2023.
Electoral Impact and Foreign Policy Sensitivities
The recent Gorton and Denton by-election, where the Green Party’s victory partly hinged on Middle East policy dissatisfaction, highlights the domestic political stakes. Public opposition to UK military involvement in the Middle East remains strong, complicating government decisions.
International Alignments and Legal Principles
Starmer navigates a complex diplomatic landscape. He aligns closely with fellow E3 leaders—Germany’s Christian Democrat Chancellor Friedrich Merz and France’s centrist President Emmanuel Macron. Yet, his closest political role models are center-left leaders Anthony Albanese of Australia and Mark Carney of Canada, both of whom support US military actions in Iran.
Starmer has repeatedly reaffirmed the UK’s commitment to international law, even as Chancellor Merz openly questioned the relevance of legal classifications amid ongoing conflict.
Consular Challenges and Economic Consequences
The government faces urgent consular challenges with over 300,000 British nationals in the Gulf. Officials remain cautious about triggering evacuation plans but acknowledge the pressure will mount if the conflict endures.
A prolonged war threatens fuel costs, inflation, and reignites debates about the UK’s defense spending adequacy and pace.
Starmer’s Balancing Act Amid Rising Complexity
Every aspect of this conflict—from legal and diplomatic to economic and political—compounds the dilemmas confronting Starmer’s administration. The Middle East crisis intensifies an already complex web of challenges for the UK government, demanding careful navigation between global alliances, domestic politics, and principled foreign policy.
