UK government pays highest interest rate on 30-year bond since 1998

by | Sep 8, 2026 | Business

UK government pays highest interest rate on 30-year bond since 1998

The UK Treasury faced elevated borrowing costs on Tuesday when it was forced to pay 5.82% interest on a £4 billion 30-year bond offering. This marked the highest rate for such debt since the Debt Management Office was established in 1998, reflecting broader turbulence affecting government borrowing costs across major economies.

The elevated rates underscore fiscal pressures on the government as Chancellor John Healey navigates concerns about public finances. Market analysts expect that when the Office for Budget Responsibility releases its next forecast ahead of the budget on 28 October, increased interest expenses on government debt will significantly reduce the budgetary flexibility built up during the previous administration’s spring forecast in March, potentially eliminating at least half of the £24 billion headroom that had been established.

Market dynamics have been shaped by concerns over potential inflation acceleration following renewed Middle East conflict that has lifted oil prices, alongside investor apprehension regarding rising levels of public debt. Bank of England Governor Andrew Bailey acknowledged these pressures while addressing lawmakers, noting that elevated energy costs were contributing upward pressure on inflation and interest rates. Bailey noted that UK mortgage rates have risen approximately three-quarters of a percent since the conflict resumed, describing this as potentially the largest mortgage rate increase among Group of Seven nations aside from Japan.

With Brent crude trading near $97 per barrel, Bailey indicated the possibility of further oil price increases given that the Strait of Hormuz remains largely inaccessible to tanker traffic and Ukrainian military operations continue targeting Russian refinery infrastructure. Among Bank of England monetary policy committee members, views remained divided on appropriate interest rate policy, with some committee members expressing concern about the inflation risks of delayed action while others suggested price increases had been less severe than initially anticipated.

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