UK borrowing costs hit highest since 2008, squeezing new PM's budget
Government borrowing costs have risen to their highest level since 2008, driven by global inflation fears and fiscal concerns, putting pressure on the new Prime Minister's budget plans.
The Full Story
A plain summary built from the channels that reported this story.
Government borrowing costs have climbed to their highest level since the 2008 financial crisis, with the UK's 10-year gilt yield reaching 5.2% and the 30-year yield hitting a 28-year high. The rise is part of a global trend, as bond yields in the US, Germany and Japan also touch multi-decade peaks. Analysts point to a combination of factors: the war in Iran pushing up oil prices, concerns about inflation, and rising government debt across the developed world. In the UK, the increase has wiped out a significant chunk of the fiscal headroom available to the new Prime Minister, Andy Burnham, and his Chancellor, John Healey, ahead of their first Budget in October.
The global nature of the rise was underlined by economists across the channels. Japan's 10-year bond yield is at its highest since 1996, Germany's since 2011, and the US has seen similar moves. The UK, however, remains more exposed than most, with its borrowing costs higher than all other G7 nations except Italy. This vulnerability is partly a legacy of the 2022 mini-budget, which shook investor confidence, and partly due to the scale of UK debt, which now costs the government over £100 billion a year to service. The Institute for Fiscal Studies noted that one in every £12 of public spending goes on debt interest.
The immediate political impact was felt at Prime Minister's Questions, where Burnham faced Kemi Badenoch, the Conservative leader, who accused him of being a 'spendthrift Prime Minister' making promises without explaining how they will be paid for. Burnham blamed the previous Conservative government for 14 years of stagnant growth and rising debt, but the markets are watching closely. The Chancellor's fiscal rules, which require day-to-day spending to be covered by tax receipts, are under strain. Economists estimate that the rise in interest rates has reduced the headroom by around £11-13 billion, potentially leaving a £12 billion black hole in the Budget. This has fuelled speculation about tax rises or spending cuts, with defence spending and the state pension triple lock both under scrutiny.
The rise in government borrowing costs is also feeding through to households. Mortgage lenders have begun pulling deals and raising rates, with the average two-year fixed deal already £110 a month more expensive since the start of the Iran war. The Bank of England has not raised interest rates this year, but markets are pricing in higher rates for longer. For the new Prime Minister, who has promised to help with the cost of living, the timing could not be worse. As one adviser put it, the market turmoil may force the government to 'get real' on welfare and pension commitments. The Budget in October will be a test of whether Burnham can balance his ambitious spending plans with the demands of the bond markets.
On screen
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Key Claims
Claims reported during this story's coverage, mapped by channel. Ordered by how many channels carried each claim.
| Claim | BBC News | BBC One | BBC Two | Channel 4 | GB News | ITV | Sky News |
|---|---|---|---|---|---|---|---|
| Government borrowing costs have risen to their highest level since 2008, with the 10-year effective interest rate at an 18-year high, amid concerns over oil prices and inflation. | · | · | |||||
| Japan's 10-year bond yield reached its highest level since 1996. | · | · | |||||
| The rise in borrowing costs could create a £12 billion black hole in fiscal headroom. | · | · | · | · | |||
| UK borrowing costs are higher than most other G7 nations since the mini budget. | · | · | · | · | |||
| Burnham blamed the previous Conservative government for the state of the economy. | · | · | · | · | · | ||
| UK-specific credibility issues, such as the 2022 mini-budget and past borrowing record, are contributing to higher borrowing costs. | · | · | · | · | · | ||
| An adviser to the Prime Minister suggested the triple lock might be reconsidered. | · | · | · | · | · | · | |
| Average monthly payments on two-year fixed mortgages rose by £110 since late February, and five-year fixed by £99. | · | · | · | · | · | · | |
| Badenoch accused Burnham of making spending promises without explaining how they would be funded. | · | · | · | · | · | · | |
| Badenoch accused the Prime Minister of making spending promises without providing funding details. | · | · | · | · | · | · | |
| Badenoch called for a £10 billion defence spending increase funded by welfare cuts. | · | · | · | · | · | · | |
| Burnham gave a three and a half hour statement in the House of Commons and took 125 questions. | · | · | · | · | · | · |
Channel Perspectives
What each channel focused on, with key quotes.
BBC ONE West focused on the immediate political headache for the Prime Minister and Chancellor, with economics editor Faisal Islam explaining the global context and the impact on fiscal headroom. The tone was analytical, stressing that the rise in borrowing costs makes already tricky decisions harder, and noting that the Chancellor was in the US trying to reassure markets.
- “it's not the sort of backdrop you would have chosen for your sort of back-to-school first speech”
- “an 18-year high in the 10-year effective interest rate for government borrowing”
- “the room for manoeuvre in budgets is effectively halved”
Sky News used economics editor Ed Conway to explain the mechanics of bond yields, emphasising that the UK is not alone but is more exposed than other G7 nations. The coverage highlighted the impact on mortgages and the potential £12 billion black hole in the Budget, with a clear focus on the political consequences for the new Prime Minister.
- “the interest rate that the government is being charged. In other words, us taxpayers”
- “it's not just the UK”
- “this basically wipes out kind of getting on for half of all of the headroom”
BBC TWO's Newsnight treated the story as a major economic event, with Ed Conway calling it 'a massive, massive deal'. The panel discussed the global nature of the rise, the UK's particular vulnerability since the mini-budget, and the political implications, including the possibility of an early election and tax rises.
- “this is a massive, massive deal”
- “the UK is vulnerable”
- “this basically wipes out kind of getting on for half of all of the headroom”
Channel 4 focused on the fiscal arithmetic, with economics reporter Neil McDonald quantifying the impact on headroom and defence spending. The interview with Gillian Tett of the Financial Times added a global perspective, stressing that the UK is 'tethered to the tail of many drunken dragons' and that the bond markets cannot be ignored.
- “they are cutting down the space that the Prime Minister has to offer people something new”
- “the UK really is tethered to the tail of many drunken dragons”
- “the bond markets cannot be ignored”
ITV1 led with the political battle at PMQs, linking the bond market rise to the war in Iran and its effect on oil prices. The coverage stressed the narrowing options for the Chancellor, the impact on mortgages, and the Prime Minister's need to calm the markets, with a vivid comparison to the Bayeux Tapestry.
- “the effective interest rate for the UK government hit 5.26% for a 10-year loan or bond, the highest level since August 2007”
- “calming the bond markets is going to be his first big battle”
- “the markets increasingly punishing the UK for not getting its debt under control”
GB News took a strongly political angle, questioning whether Andy Burnham can be trusted with the economy. The coverage blamed the government for high taxation and spending, highlighted the risk of tax rises, and dismissed the Prime Minister's defence of his record. It also featured criticism of devolution as an economic plan.
- “the markets are in turmoil. The gilt yield is at decade years high”
- “can Andy Burnham be trusted with the economy?”
- “he's avoided all scrutiny all summer”
BBC News' Newscast podcast took a more explanatory approach, with Faisal Islam and IFS director Helen Miller breaking down the global factors, including tech companies borrowing for AI data centres and Japan's role. The focus was on the scale of debt interest spending and the credibility of the government's fiscal plans.
- “the bond markets is the global market for government debt”
- “one in every £12 it spends. That's huge.”
- “it's a kind of orderly re-pricing upwards”
Broadcast Timeline
News broadcasts tracked for this story, in time order.