Rising Costs and Economic Uncertainty: The Ripple Effects of the Iran Conflict on UK Households

Rachel Foster, Economics Editor
6 Min Read
⏱️ 4 min read

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The ongoing military conflict involving Iran has begun to reverberate through the UK economy, affecting various aspects of personal finance from fuel prices to mortgage rates. As the situation escalates, the implications for British consumers are becoming increasingly concerning. The depth and longevity of these financial impacts will depend largely on the duration of the conflict and the resilience of global supply chains.

Surge in Fuel Prices

Motorists in the UK are already feeling the pinch at the petrol pumps. As of Friday, the average price for unleaded petrol reached 150.11p per litre, soaring by 17.3p since the onset of hostilities, while diesel prices have surged by 35.3p to 177.68p, as reported by the RAC. Analysts note that for every $10 increase in crude oil prices, pump prices typically rise by about 7p per litre.

This uptick in fuel costs has reignited tensions between petrol retailers and the government, with accusations of profiteering amidst soaring oil prices. Despite assurances of ample supply, motoring organisations are advising consumers to limit non-essential journeys and adopt more fuel-efficient driving habits to mitigate expenses.

The ramifications extend beyond the pump. As transportation costs escalate, businesses may pass these expenses onto consumers, leading to higher prices for goods and services, particularly in the food sector.

Mortgage Rates on the Rise

The conflict has also altered the landscape for mortgage borrowers. Prior to the war, there was optimism regarding a gradual reduction in interest rates for fixed-rate mortgages. However, lenders have since reacted by raising rates sharply, driven by increased funding costs and a shift in expectations surrounding the Bank of England’s base rate.

According to financial data provider Moneyfacts, the average two-year fixed mortgage rate has climbed from 4.83% in early March to 5.75%, marking its highest point since March of the previous year. Similarly, five-year fixed rates have seen an increase from 4.95% to 5.69%, the highest since July 2024.

This tightening of the mortgage market has resulted in a significant reduction in available products, with over 1,620 fewer options now on offer. Adam French, head of consumer finance at Moneyfacts, highlighted that lenders pulling products from the market often indicates rapid changes in funding costs that outpace incremental adjustments in pricing.

Energy Bills and Heating Oil Costs

Households are not shielded from the escalating costs driven by the conflict, particularly in regards to energy bills. Although there is a price cap in place, set by Ofgem for households in England, Wales, and Scotland, this protection is temporary and does not apply universally. The cap, which limits the maximum price per unit of energy for consumers on variable tariffs, is set to expire in July.

The latest forecasts from energy consultancy Cornwall Insight suggest that a typical dual-fuel household could see its annual energy bills rise to £1,934 from £1,641, reflecting a precarious situation in the wholesale energy markets. Such predictions remain uncertain, and any sustained increase in wholesale prices could mean more pain for consumers.

For those reliant on heating oil, particularly in rural regions, the absence of price caps poses a significant risk. Prime Minister Sir Keir Starmer has announced a £53 million support package aimed at vulnerable users of heating oil, which will be allocated through devolved authorities.

Inflation and Interest Rate Outlook

As the conflict unfolds, inflation forecasts are becoming increasingly difficult to ascertain. The Office for Budget Responsibility (OBR) had previously projected that UK inflation would align with the Bank of England’s target of 2% over the next five years. However, the recent geopolitical turmoil has led analysts to revise their expectations, anticipating a rise in inflation rates.

While many believe inflation will not reach the alarming peak of 11.1% observed in October 2022, the current volatility complicates any forecasts. The Bank of England, tasked with stabilising inflation, is now expected to consider raising interest rates rather than lowering them, contrary to earlier predictions. This shift could make borrowing more expensive, while potentially offering slightly higher returns for savers.

Why it Matters

The implications of the Iran conflict on the UK economy are profound, impacting the cost of living and financial stability for many households across the nation. As fuel prices, mortgage rates, and energy bills continue to rise, the pressure on consumers is likely to intensify. With inflation forecasts becoming more unpredictable and interest rates on the brink of increasing, the economic landscape is fraught with uncertainty. This scenario underscores the interconnectedness of global events and domestic financial health, highlighting the need for vigilant monitoring and proactive measures to mitigate the adverse effects on British consumers.

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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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