UK Chancellor faces £35bn funding gap before Budget, think tank warns
Chancellor John Healey must find up to £35 billion to meet government spending plans amid rising costs from the Iran war, the Institute for Fiscal Studies warned.
FTMQ Business, written by our newsroom1 view

UK Chancellor John Healey faces a potential funding gap of up to £35 billion ahead of his first Budget scheduled for 28 October 2026, the BBC reported. The Institute for Fiscal Studies warned that the conflict involving Iran creates major risks for official spending targets. [1]
According to the BBC, the think tank said the government requires billions of pounds in additional funding to raise defence spending to 3% of national income by 2030 and increase health funding without cutting other public services. War-driven inflation is projected to erode existing budget allocations. [1]
The Institute for Fiscal Studies warned that the Chancellor must present credible fiscal plans. Healey will be forced to choose between tax increases, reductions in public spending, or a combination of both measures to balance the national budget. [1]
The financial pressure comes following a transition in UK leadership. Keir Starmer served as Prime Minister from 5 July 2024 until his resignation on 20 July 2026, during which he also held the post of First Lord of the Treasury. [2]
In short
- Chancellor John Healey faces a £35 billion funding gap ahead of the 28 October Budget.
- The Institute for Fiscal Studies warned inflation from the Iran war threatens public spending plans.
- Raising UK defence spending to 3% of national income by 2030 will require billions in extra funding.
Sources
Every paragraph above points to the numbered items it rests on. Read the originals here.
- [1]Healey must find up to £35bn to meet spending plans, says think tankBBC Business, 1h ago (the report this story comes from)
Background
- [2]Premiership of Keir Starmer on Wikipedia
Our newsroom writes these reports with the help of software, from the 2 sources listed and nothing else, and checks them against those sources. Facts can still be wrong or move on; the originals are the record. Spotted a mistake? Write to daniel@monsterkong.com.
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