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Reeves set for careful UK budget update as Iran conflict alarms investors

Published by Global Banking & Finance Review

Posted on March 3, 2026

3 min read

· Last updated: April 2, 2026

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Reeves set for careful UK budget update as Iran conflict alarms investors
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By William Schomberg LONDON, March 3 (Reuters) - British finance minister Rachel Reeves is likely to stick closely to her promises to fix the public finances in a budget update speech on Tuesday that

UK's Reeves treads cautious path in budget update overshadowed by Middle East conflict

Stability and Economic Outlook Amid Global Uncertainty

By William Schomberg and David Milliken

Budget Update and Minister's Statement

LONDON, March 3 (Reuters) - British finance minister Rachel Reeves said she would provide stability for the economy in a budget update speech on Tuesday that was overshadowed by alarm among investors over the conflict in the Middle East.

Revised Forecasts and Fiscal Watchdog Insights

Reeves said fresh forecasts showed inflation and borrowing would be lower than previously thought by Britain's fiscal watchdog although its economic growth projections were expected to be cut.

Impact of Middle East Conflict on UK Economy

The forecasts may soon be overtaken by the impact of the U.S.-Israeli war against Iran which has sent British government borrowing costs soaring on worries about the global surge in energy prices.

Minister's Commitment to Stability

"This government has the right economic plan for our country, a plan that is even more important in a world that in the last few days has become yet more uncertain," Reeves said in her speech to parliament.

"It is incumbent on me and on this government to chart a course through that uncertainty, to secure our economy against shocks and protect families from the turbulence that we see beyond our borders."

Challenges Facing the UK Economy

Inflation and Interest Rates

She stressed the need for stability in the public finances as well as investment in infrastructure.

Britain has the highest inflation among the Group of Seven economies, preventing the Bank of England from cutting interest rates as quickly as other central banks and saddling the government with a high bill for its inflation-linked bonds.

Rising Government Bond Yields and Energy Prices

Government bond yields surged for a second day in a row earlier on Tuesday as investors worried that a doubling of gas prices, if sustained, might prevent the BoE from cutting borrowing costs this year.

Benchmark wholesale gas prices, which make up the largest single portion of Britain's domestic energy price cap, have doubled this week which, if sustained, could push up the next pricing level for the July-to-September period.

Oil Prices and Fuel Duty Concerns

Oil prices have also risen 15%, leading to calls from some motoring groups for the government to reverse an end to the fuel duty freeze currently expected in September. 

(Additional reporting by Susanna TwidaleWriting by William Schomberg; Editing by Hugh Lawson)

Key Takeaways

  • Reeves will likely stick to promises of fiscal stability, avoiding surprise spending amid global market volatility triggered by the Iran conflict and surging energy prices, to reassure bond investors.
  • Gilt yields, particularly two‑year British government bonds, surged following recent Middle East tensions, increasing the cost of government debt and narrowing fiscal headroom.
  • The OBR’s updated forecasts—expected today—may lower growth projections and downgrade net migration outlook, amplifying pressure on public finances ahead of the autumn Budget.

References

Frequently Asked Questions

Why is Rachel Reeves expected to deliver a cautious UK budget update?
Due to heightened investor anxiety over the Iran conflict and global market instability, Rachel Reeves aims to avoid surprise spending measures and maintain fiscal stability.
How could the conflict in the Middle East impact the UK's public finances?
Rising global energy prices and bond yields from the Iran conflict could increase borrowing costs, affecting the UK's public finances and exposing the risk of higher debt costs.
How much flexibility does Reeves have for spending in the budget update?
Reeves may have slightly more room for maneuver due to recent lower borrowing costs, but ongoing market sensitivity limits her ability to introduce major spending changes.
What risks could affect the credibility of Rachel Reeves' fiscal plans?
Risks include a resurgence in inflation-linked debt costs, possible increases in unemployment forecasts, and political pressure to address voter needs, all of which could test her credibility with investors.

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