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Monday 18 August 2025 9:51 am

‘Weak fiscal position’ pushes UK borrowing costs to 27-year high

By: Mauricio Alencar

Politics and Economics Reporter

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The government set out over £40bn of tax rises at last month's Autumn Budget
The government set out over £40bn of tax rises at last month's Autumn Budget

Government borrowing costs have jumped over the past two weeks, flashing warning signs for Chancellor Rachel Reeves.

The 30-year gilt yield hit 5.57 per cent on Friday before falling back to stick around 5.54 per cent when trading began on Monday. 

Gilt yields are higher than levels seen in April after President Trump announced sweeping tariffs on ‘Liberation Day’ when they hit 27-year highs. 

Ten-year gilt yields have also jumped from around 4.51 per cent at the beginning of the month to as much as 4.7 per cent, although the gilt yields are lower than they were in April and June. 

Tensions around borrowing costs are reflective of a lack of trust in major economies’ ability to pay off debt. The UK, in particular, is in a difficult position.

Traders are pricing in fears of high inflation, which could keep interest rates at higher levels than expected for longer. Spending choices made by the Chancellor are also reflected in bond yields.

Higher yields have prompted Bank of England policymakers to consider slowing the pace of quantitative tightening (QT) process.

Reeves battles high government borrowing costs

Analysts believe gilt yields remain high due to the Bank of England’s hawkish view on the UK economy, with inflation set to hit four per cent in September and further cuts to Bank Rate becoming more “uncertain” after a three-way split on the Monetary Policy Committee. 

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Andy Burnham will be ‘in hock’ to the bond markets whether he likes it or not

Andy Burnham speaking at a Labour Party event, addressing supporters with banners and flags in the background.

“The spike in European bond yields coincided with the release of the UK labour market data, which showed stubbornly high wage data and a slowdown in job losses in recent weeks and months,” said Kathleen Brooks, research director at trading platform XTB.

“Interest rate cut expectations for the UK are being scaled back, there is now less than one rate cut getting priced in by the end of the year, and only a 40 per cent chance of a cut priced in for November.” 

“For now, UK bonds are taking the brunt of the selling, and Gilt yields are rising faster than yields in Europe and the US. Due to the UK’s weak fiscal position, this is to be expected.”

Rachel Reeves is under pressure from her backbenchers to avoid drastic cuts to government spending.

Her fiscal rules and Labour’s manifesto commitments mean she has limited options when it comes to tax hikes, with income tax, national insurance, VAT and corporation tax making up around three-quarters of total revenue. 

Speculation around the Autumn Budget is heating up, with economists claiming higher borrowing costs will destroy her small £9.9bn headroom. 

Reeves has said her fiscal rules are “non-negotiable” and claimed abiding by them was essential to keeping the UK economy afloat. 

“One in £10 of government spending is spent servicing our debt. I am a Labour politician. I don’t think there’s anything progressive about spending £100bn a year, often to US hedge funds when I would rather spend that money on our health service or on defence,” she said at a Treasury Committee hearing last month. 

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UK government borrowing overshoots expectations on day Burnham elected

Westminster Houses of Parliament under clear sky, iconic London landmark representing UK government and politics

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