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US-Iran conflict could push UK inflation to 4.5% by 2027, BoE warns

Created at 30 Jul · 1:26 PM1 source↑ Market-relevant
IN SHORT

The Bank of England cautioned that a prolonged conflict between the US and Iran could significantly impact the UK economy, potentially driving inflation to a peak of 4.5% in the second quarter of 2027. Policymakers are monitoring energy price volatility and considering interest rate adjustments.

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Key Numbers

4.5 percentpeak inflation in Q2 2027 in adverse scenario
3.2 percentpeak inflation in Q4 2026 under central projection
3 percentpeak inflation in milder case scenario
2 percentBank of England inflation target
2.6 percentUK inflation in June
0.1 percentage pointsprojected contribution of household utility bills to inflation
6-to-3MPC vote split on interest rates
0.25 percentrate rise voted for by Catherine Mann

Who's Involved

Bank of England
central bank warning of inflation risks
Andrew Bailey
Governor of the Bank of England
Andy Burnham
UK Prime Minister
Donald Trump
US President whose policies risk impacting UK inflation
Catherine Mann
MPC member who voted for a rate hike
European Central Bank
central bank that held rates in July
US-Iran conflict could push UK inflation to 4.5% by 2027, BoE warns

↳ Why This Matters

The Bank of England's warning highlights the significant vulnerability of the UK economy to geopolitical instability, particularly concerning energy prices. The potential for inflation to spike and necessitate further interest rate hikes could impact households and businesses, complicating the new government's economic agenda.

Key facts

  • The Bank of England warned that a prolonged US-Iran conflict could push UK inflation to 4.5% by the second quarter of 2027.
  • The central bank decided to keep interest rates on hold.
  • Inflation is projected to peak at 3.2% in the last quarter of 2026 under a central scenario.
  • A milder scenario predicts inflation peaking at 3% by the end of 2026.
  • MPC member Catherine Mann voted for a rate hike due to Middle East conflict and energy price volatility.

The Bank of England has warned that escalating conflict between the U.S. and Iran could significantly impact the British economy, potentially driving inflation to a peak of 4.5% in the second quarter of 2027. This warning comes as new UK Prime Minister Andy Burnham takes office amidst cost-of-living concerns.

Governor Andrew Bailey stated that while inflation has fallen faster than expected, the ongoing conflict in the Middle East presents a risk of high and volatile energy prices. The Bank's Monetary Policy Committee decided to hold interest rates steady but acknowledged the potential for persistent energy shocks. The UK, being an open economy, is particularly susceptible to global conditions, especially the conflict in the Gulf.

The central bank modeled several scenarios. In an adverse scenario with repeated conflict re-escalations, inflation could become entrenched and peak at 4.5% in Q2 2027, potentially leading to rate hikes and inflation remaining above target in 2028. A central projection forecasts inflation peaking at 3.2% in the last quarter of 2026, falling below the 2% target by 2028. A milder scenario, assuming a durable end to the war, would see inflation peak at 3% by year-end before returning below target.

The MPC vote was split 6-to-3, with member Catherine Mann voting for a 0.25% rate increase, citing the collapse of a US-Iran Memorandum of Understanding, the widening conflict, and associated energy price volatility. The Bank factored in Prime Minister Burnham's measures, such as a VAT cut on energy bills and a cap on bus fares, but noted household utility bills would only contribute marginally to inflation. The Bank also highlighted potential inflation risks from investment in AI components and higher food prices due to the El Niño weather phenomenon.

Frequently asked questions

The Bank of England's inflation target is 2 percent.

The Monetary Policy Committee decided to keep interest rates on hold.

Catherine Mann voted for a 0.25% rate hike due to the widening Middle East conflict and associated energy price volatility.

The Bank of England also warned of potential inflation shocks from investment in artificial intelligence components and higher food prices due to the El Niño weather phenomenon.

What Happens Next

01The Bank of England will continue to monitor energy price volatility.
02Future interest rate decisions will depend on inflation outlook and geopolitical developments.

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How It Developed

The Bank of England kept interest rates on hold.
The central bank warned that renewed conflict in Iran could lead to persistent energy price shocks.
In an adverse scenario, inflation could peak at 4.5% in Q2 2027.
Under a central projection, inflation is expected to peak at 3.2% this year.
A milder scenario forecasts inflation peaking at 3% by year-end.
MPC member Catherine Mann voted for a 0.25% rate hike due to Middle East conflict and energy price volatility.
The Bank of England also noted potential inflation shocks from AI investment and El Niño weather patterns.

Sources

T1
US-Iran war looms over Britain’s economyPOLITICO Europe

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