ECB and Bank of England hold rates on April 30 as Iran-war inflation clouds the outlook

Two of Europe's most important central banks left interest rates unchanged on April 30, with both the European Central Bank and the Bank of England holding steady as they confronted the same uncomfortable bind: inflation accelerating on the back of the energy shock from the war with Iran, even as economic growth slowed. The twin decisions underscored how the conflict had upended the monetary policy outlook across the continent, replacing a gentle easing path with a tense standoff between rising prices and weakening activity.

The ECB's Governing Council held its benchmark deposit facility rate at 2% for a third consecutive meeting, matching expectations. In its statement, the bank said its broad assessment of the inflation outlook was largely unchanged but warned that the upside risks to inflation and the downside risks to growth had both intensified. Flash data released the same day showed euro zone inflation had jumped to 3% in April, driven largely by higher energy costs, while core inflation held at 2.2% and first-quarter GDP growth slowed to 0.8% from a year earlier, a combination that pointed toward stagflation.

ECB President Christine Lagarde emphasized the difficulty of reading an economy buffeted by the conflict, noting that the stop-start nature of the war made the outlook especially hard to assess. Analysts read the statement as deliberately non-committal: it neither promised a rate increase at the June meeting nor ruled one out, leaving the bank's options open. That ambiguity would soon resolve in a hawkish direction, with the ECB going on to raise rates in June, but for April the council opted to wait and gather more evidence.

The Bank of England likewise kept its Bank Rate at 3.75%, but the vote revealed a notable shift in the committee's thinking. The Monetary Policy Committee split 8–1, with one member voting to raise the rate by a quarter point to 4%, the first time any policymaker had voted for an increase since the tightening cycle ended in the summer of 2023. The dissent signaled that the energy-driven inflation surge was beginning to change the calculus for at least some officials, even as the majority preferred to hold.

Alongside the decision, the Bank published a Monetary Policy Report laying out three scenarios for how the energy shock might feed through to UK inflation, all of which pointed to prices rising further in the near term. The central projection had inflation climbing through the year, reaching the low-3% range by mid-year and edging higher before eventually easing back toward the 2% target. The report underscored that, while monetary policy could not influence energy prices directly, the bank would set policy to ensure the economy adjusted to them without letting inflation become entrenched.

For both institutions, the April meetings captured a pivot point. Having spent the prior period leaning toward eventual rate cuts, both were now grappling with an inflationary impulse that threatened to force their hands in the opposite direction. The ECB's intensified concern about upside inflation risk and the appearance of a hawkish dissent at the Bank of England signaled that the era of easing had, at least temporarily, given way to a defensive posture.

For currency and rate markets, the synchronized holds reinforced the sense that the war had become the dominant driver of European monetary policy. The euro and the pound traded with one eye on the conflict and the path of energy prices, as investors weighed how quickly each central bank might be pushed toward tightening. With both banks explicitly tying their outlook to the trajectory of the war, the decisions left the door open to action at subsequent meetings, setting the stage for the policy moves that would follow as the energy shock persisted into the summer.