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Business|May 14, 2026|5 min read

UK economy sees surprise growth in March despite Iran war

The UK economy grew by 0.3% in March, confounding analyst forecasts of contraction, as consumers and businesses brought forward spending ahead of expected price rises from the Iran conflict.

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BBC

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In March, the UK economy experienced unexpected growth, despite the escalating tensions resulting from the Iran war.

Economic output increased by 0.3%, defying analysts' predictions of a slight contraction; however, the ramifications of the conflict are anticipated to affect growth in the latter half of the year.

The Office for National Statistics (ONS) reported indications that consumers and businesses expedited spending in March, spurred by concerns over potential future price hikes related to the war.

Chancellor Rachel Reeves highlighted that these figures reflect "the right economic plan" set by the government, although she cautioned that a Labour leadership contest could "plunge the country into chaos."

During the first quarter of the year, economic growth reached 0.6%, according to the ONS, driven by notable recoveries in sectors such as retail and construction.

The agency noted that businesses they surveyed reported instances of "front-loading," where certain activities were advanced in anticipation of cost increases due to the conflict in Iran.

Additionally, retailers observed that consumers were stockpiling fuel as prices surged dramatically.

Yael Selfin, KPMG's chief economist, indicated that the war's economic impact would likely become more significant in the second quarter.

"Households are facing renewed challenges as energy and petrol prices rise. Food prices are also projected to increase due to disruptions in fertilizer and other critical inputs," she stated.

"These price hikes are likely to exert pressure on disposable incomes, which could suppress demand and present considerable challenges to economic activity in the forthcoming months."

Rising Costs

Siblings Kennedy and Boston Mace operate a play center in Chelmsford, Essex. They have observed that families are increasingly needing to reduce their expenditures and scrutinize items like birthday party expenses.

"We have our own children, so we understand how costly a day out can be," Boston remarked.

"Everything's going up… we've set limits on our charges, leading to diminishing profit margins."

Kennedy noted that families who once used the center as an all-inclusive destination are now more frequently opting to pay only for specific activities rather than dining—"which is understandable… financial resources are tighter."

Boston added that their center has weathered challenges including the Covid pandemic, a fire, a flood, and a theft, but remarked, "this appears to be the most challenging period we've faced" in their 13 years of operation.

Chancellor Rachel Reeves informed the BBC that she would outline additional support measures for families and businesses impacted by the war the following week.

"The economy is growing steadfastly, and this growth will enable us to further invest in public services and assist families and businesses with the cost of living," she stated.

Nevertheless, referring to speculation surrounding the prime minister's position, Reeves asserted: "We must not jeopardize [economic stability] by throwing the country into chaos at a time when there is international conflict and when our economic growth plan is beginning to show positive results."

Shadow Chancellor Mel Stride commented that Labour is contributing to "chaos surrounding the Labour leadership, which is destabilizing Britain's economy."

"This week, borrowing costs reached their highest level in 30 years as Labour leadership contenders vied to propose increased spending, borrowing, and unrealistic economic measures."

Liberal Democrat Treasury spokesperson Daisy Cooper MP expressed that the quarterly growth figure is "already a thing of the past" due to the war's influence.

"Instead of addressing the cost of living crisis, the government is tangled in internal conflicts."

Ruth Gregory, deputy chief UK economist at Capital Economics, suggested that the recent growth figures would likely represent "the peak for the year," given the war's repercussions.

"We would be highly surprised if growth does not decline from May as the temporary spike from stockpiling subsides and the pressure on households' real incomes from escalating energy prices intensifies.

"In our adverse forecast, the economy may enter a mild recession, suggesting that whoever assumes the prime ministerial role may face considerable challenges."

It is important to note that GDP figures are subject to revision in subsequent months. While March's growth exceeded expectations, the estimate for February was adjusted down from 0.5% to 0.4%, and January's figure was lowered from 0.1% to zero.

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