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The Office for Budget Responsibility (OBR) has issued a stark warning regarding the potential repercussions of the ongoing conflict in Iran, suggesting that the UK economy could experience a “very significant” impact. As geopolitical tensions escalate, the economic landscape grows increasingly uncertain, particularly concerning inflation and growth forecasts. This comes in light of recent spikes in energy prices linked to the turmoil in the Middle East.
Inflation Projections Under Pressure
In its latest report, the OBR indicated that the inflation outlook has become “particularly uncertain” following a surge in gas and oil prices in recent days. While the agency had previously anticipated a swift return to the Bank of England’s inflation target of 2% by the end of this year, the recent volatility has cast doubt on this expectation.
David Miles, a member of the OBR’s budget responsibility committee, noted, “What will happen to inflation is particularly uncertain in the past few days.” The OBR now estimates that inflation will slow to 2.3% in 2026, a slight revision from the earlier forecast of 2.5%. This adjustment reflects a combination of factors, including decreased economic activity and lower food and energy prices.
Despite the downward revision, the Bank of England has hinted that inflation could dip below the 2% mark as early as April. The OBR’s projections suggest that barring further shocks, inflation should stabilise around the 2% target from 2027 onwards.
Economic Growth Forecasts Adjusted
The OBR has also revised its growth forecasts for the UK economy downwards, predicting a growth rate of 1.1% for 2026, down from an earlier estimate of 1.4%. This adjustment is attributed to a slowdown in economic activity observed in late 2025, coupled with a softening labour market.

Chancellor Rachel Reeves addressed MPs, affirming that the UK economy is on a recovery path, albeit at a slower pace than anticipated. While growth is expected to pick up to 1.6% in both 2027 and 2028, the immediate term appears challenging.
Unemployment Trends and Government Borrowing
The OBR’s report also highlights a concerning outlook for unemployment, forecasting it to peak at approximately 5.33% in 2026, a revision from previous estimates that had predicted a peak of 4.9%. Recent data from the Office for National Statistics revealed that unemployment has risen to a five-year high of 5.2%, indicating ongoing pressures in the job market.
On a more positive note, the OBR has lowered its borrowing projections for the government through to 2031. This reduction is partly due to a decrease in the yield on government bonds, which has allowed for an expansion of the government’s fiscal headroom to £23.6 billion, up from £21.7 billion in November’s budget.
Experts have remarked on the unexpected stability of the UK’s fiscal position, bolstered by higher tax receipts driven by robust equity market performance. However, uncertainties loom over the sustainability of this growth, particularly if the conflict in the Middle East persists.
Conclusion
As the geopolitical landscape shifts, the implications for the UK economy become increasingly complex. The OBR’s latest projections underscore the interconnectedness of global events and domestic economic health, highlighting the potential for significant impacts on inflation, growth, and employment.
Why it Matters
The developments in Iran are not just a distant geopolitical concern; they have immediate ramifications for the UK’s economy. With inflation predictions in flux and growth forecasts being adjusted downward, consumers and businesses alike must prepare for an uncertain economic climate. As rising energy prices threaten household budgets and corporate margins, understanding these dynamics will be crucial for navigating the challenges that lie ahead.