Economic Ramifications of the Iran Conflict: A Deep Dive into Rising Costs for UK Households

Rachel Foster, Economics Editor
7 Min Read
⏱️ 5 min read

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The ongoing conflict involving Iran has begun to ripple through the UK economy, impacting everything from fuel prices to mortgage rates. As geopolitical tensions escalate, consumers are feeling the strain on their finances, with essential costs poised to rise. The extent and endurance of these financial pressures will largely depend on the duration of the conflict and the subsequent recovery of global supply chains.

Fuel Prices: A Surge at the Pumps

UK motorists have already noticed a significant uptick in petrol prices, which have soared to an average of 150.11p per litre as of last Friday—an increase of 17.3p since the onset of hostilities. Diesel prices have seen an even steeper rise, climbing by 35.3p to reach 177.68p per litre, according to the RAC. This inflation in fuel costs has sparked a heated debate between retailers and government officials, with accusations of “profit-taking” amid the crisis.

Analysts suggest that for every $10 increase in crude oil prices, pump prices generally rise by approximately 7p per litre. As the war continues, crude oil remains volatile, responding sharply to both the developments on the ground and statements from the White House. While motoring organisations assert there is sufficient supply, they recommend that consumers limit unnecessary journeys and adjust driving habits to conserve fuel.

The impact of rising fuel prices, however, extends beyond the forecourt. Increased transportation costs can lead to higher prices for goods and services, particularly affecting supermarket prices. As transport becomes more costly, consumers may soon feel the pinch at checkout.

Mortgage Rates on the Rise

Before the outbreak of conflict, many anticipated a gradual decline in interest rates for fixed-rate mortgages. Instead, lenders have swiftly adjusted rates upwards due to escalating funding costs and the expectation that the base borrowing rate may remain elevated for longer than previously thought.

The average rate for a two-year fixed mortgage has surged from 4.83% in early March to 5.75%, marking its highest point since last year. Similarly, five-year fixed rates have climbed from 4.95% to 5.69%, the steepest rise noted since July 2024. The tightening of credit availability is evident, with over 1,600 fewer residential mortgage products available, although a selection of more than 6,000 remains.

Adam French, head of consumer finance at Moneyfacts, notes that lenders withdrawing products indicates that funding costs have escalated too rapidly for minor adjustments to be effective. This contraction in mortgage options may leave prospective homebuyers and those seeking to remortgage in a difficult position.

Energy Bills: The Uncertain Future

While some households benefit from a price cap on gas and electricity bills set by Ofgem, this protection is time-limited and does not encompass all consumers. The cap, which regulates the maximum price per unit for those on variable tariffs, is set to remain until July; however, the outlook for the wholesale energy market is far from stable.

Predictions from energy consultancy Cornwall Insight indicate that households could see their annual dual-fuel costs rise from the current £1,641 to approximately £1,934 by next month. This forecast, though speculative, underscores the potential for significant increases in energy prices as wholesale costs climb.

The government has indicated that support may be forthcoming for households in distress, but such assistance is likely to be targeted rather than universal. Meanwhile, consumers seeking to fix their energy prices are facing similar challenges as those in the mortgage market, with many providers raising rates or withdrawing tariffs altogether. This scenario is particularly dire for those reliant on heating oil, which is not subject to a price cap and has seen dramatic increases.

Inflation: The Ripple Effect

The onset of conflict in Iran has thrown previous inflation forecasts into disarray. In early March, the Office for Budget Responsibility (OBR) projected UK inflation to hover around 2% over the next five years, but analysts now anticipate a rise in inflation rates as costs across various sectors escalate.

Though a return to the peak inflation rate of 11.1% experienced in October 2022 is not expected, the uncertainty surrounding geopolitical tensions complicates economic predictions. The Bank of England, tasked with maintaining inflation near its target, may soon have to reconsider its approach, with many analysts forecasting that interest rates will increase rather than decrease in response to worsening economic conditions.

Implications for Consumer Choices

The financial ramifications of the Iran conflict extend beyond immediate costs, influencing consumer behaviour and choices. As fuel prices rise, holiday destinations may become limited, with flight costs likely to increase due to soaring jet fuel prices. While airlines employ strategies to mitigate these costs, prolonged high prices will inevitably be passed on to consumers through higher fares or reduced flight availability.

Why it Matters

The interplay between geopolitical events and economic stability cannot be overstated. As the conflict in Iran unfolds, UK households are confronted with rising costs that threaten to undermine their financial security. The potential for increased inflation, coupled with higher energy and mortgage rates, paints a concerning picture for the average consumer. Understanding these dynamics is crucial—not just for immediate financial planning but also for grasping the broader implications on economic growth and financial wellbeing in the UK. As the situation evolves, vigilance and adaptability will be essential for navigating the uncertainties ahead.

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Rachel Foster is an economics editor with 16 years of experience covering fiscal policy, central banking, and macroeconomic trends. She holds a Master's in Economics from the University of Edinburgh and previously served as economics correspondent for The Telegraph. Her in-depth analysis of budget policies and economic indicators is trusted by readers and policymakers alike.
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