LIVE: UK Office for Budget Responsibility appears before Treasury Committee
TL;DR
The OBR warns that sustained oil and gas price spikes from the Iran conflict could push UK inflation to 3% by year-end, though the shock remains smaller than the Ukraine crisis. They highlight severe fiscal constraints, with limited headroom for energy support schemes amid persistent borrowing at 5% of GDP and rising pressures from defense and social care commitments.
🛢️ Iran Conflict & Energy Price Shock 4 insights
Commodity prices surge on supply fears
Spot oil prices rose approximately 23% and gas prices jumped 50-55% relative to pre-conflict levels, creating immediate inflationary pressure for import-dependent Britain.
Inflation trajectory revised upward
If current price levels persist, consumer prices could be 1% higher by year-end, pushing December inflation toward 3% rather than the forecast 2%.
Staggered impact on household bills
Motorists face immediate petrol price increases while household energy costs remain frozen until the OFGEM price cap resets in July, delaying the full inflationary effect.
Scale pales versus Ukraine shock
The current 50% gas price increase is far smaller than the fivefold spike seen after Russia's 2022 invasion, which required £50 billion in government support.
💷 Fiscal Constraints & Borrowing 3 insights
Minimal headroom for crisis support
With only £23 billion of fiscal headroom against borrowing rules, the government lacks capacity to fund a support package comparable to the £50 billion 2022 energy scheme without breaching targets.
Tax burden reaching historic peaks
The forecast relies on tax-to-GDP rising to 38%, a historic high for the UK, driven largely by frozen personal tax thresholds and capital tax receipts vulnerable to asset price movements.
Borrowing stuck at elevated levels
Public borrowing has persisted at roughly 5% of GDP for four years and is projected to decline only gradually to 1.6% by the medium term, leaving debt at sensitive elevated levels.
⚠️ Structural Risks to Public Finances 3 insights
Productivity growth critical to stability
If productivity remains at decade-low levels, annual borrowing could increase by £40 billion, whereas a return to pre-financial crisis trends would improve the fiscal position by £50 billion.
SEND and defense spending pressures mount
Government commitments leave a £2 billion annual shortfall in SEND funding by 2028-29, while reaching the 3.5% GDP defense target by 2035 requires an additional £4 billion annually.
Market sensitivity constrains flexibility
With debt at elevated levels and markets highly sensitive to fiscal policy changes, the government faces limited room to absorb further shocks without triggering adverse borrowing cost reactions.
Bottom Line
The UK lacks the fiscal capacity to repeat its 2022 energy support package, leaving the government exposed if Middle East tensions cause sustained price spikes while managing already strained public finances.
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