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Britain’s rising inflation and higher-than-expected government borrowing have created fresh challenges for the Labour government ahead of its annual Budget next week, according to official figures released on Wednesday, October 21, 2026. Inflation accelerated in September, while the country’s public debt exceeded £3 trillion for the first time, increasing pressure on the government to address the cost of living while maintaining control over public finances.
Finance Minister John Healey is due to deliver his first Budget under Prime Minister Andy Burnham’s administration on October 28. The announcement comes as borrowing costs remain elevated for the government, businesses and households, leaving policymakers with difficult decisions over taxation, spending and economic growth.
Reacting to the latest economic figures, Healey said the government recognised that price increases linked to conflicts in the Middle East and Europe were affecting Britain and countries around the world. He also pointed to rising energy costs associated with the Russia-Ukraine war.
Healey, whose official title is Chancellor of the Exchequer, said his first Budget would focus on maintaining fiscal discipline while giving businesses and families some breathing space amid continuing financial pressures.
Figures from the Office for National Statistics (ONS) showed that the UK’s Consumer Prices Index (CPI) inflation rate rose to 3.5 per cent in September, up from 3.1 per cent in August. The latest figure was higher than economists’ expectations of 3.4 per cent and marked the highest annual inflation rate since October 2025.
Transport costs, particularly petrol and diesel prices, were the biggest contributors to the increase in inflation. Higher fuel prices have added to pressure on motorists and businesses, while rising energy costs have increased concerns about the wider economic outlook.
The increase in fuel prices comes amid disruptions to global energy supplies linked to the conflict in the Middle East. The impact has added to concerns that households and businesses could face further cost increases if energy prices remain high.
The ONS also reported that the annual cost of raw materials and goods leaving British factories continued to rise in September, partly driven by higher crude oil and petrol prices. These increases could feed through to other parts of the economy if businesses pass their additional costs on to consumers.
The latest inflation figures are likely to intensify questions over whether the government can ease the cost-of-living burden without making inflation more difficult to control.
Separate figures published by the ONS on Wednesday revealed that public sector net borrowing reached £24.5 billion in September. The amount was £1.8 billion higher than in September last year and £1.9 billion above the forecast produced by the Office for Budget Responsibility (OBR).
The increase reflected government spending rising faster than its income, with higher debt interest payments contributing to the pressure on public finances. The government paid £10.9 billion in interest on its debt in September, £1.6 billion more than a year earlier and £2 billion above the OBR’s forecast.
Between April and September, borrowing totalled £97.8 billion. Although this was £4.4 billion lower than during the same period last year, it remained £6 billion above the official forecast, highlighting the difficulties facing the Treasury as it prepares the Budget.
The UK is not alone in facing higher borrowing costs. Rising inflation and concerns about government finances have pushed up bond yields in several economies, increasing the cost of servicing existing debt and raising the price of new borrowing.
Higher interest rates can also affect businesses and households, particularly people with mortgages, personal loans and other forms of borrowing. If financing costs rise further, businesses may delay investment, while households could face additional pressure on their disposable income.
Following the latest inflation figures, economists and financial markets have increased their attention on the Bank of England’s next monetary policy decision in November. A potential interest rate increase remains uncertain, however, and will depend on incoming economic data and the assessment of inflationary pressures.
Richard Flax, chief investment officer at Moneyfarm, said the key issue was whether higher interest rates could bring inflation under control without placing additional pressure on an already challenging UK economic growth outlook.
The latest ONS figures also showed that Britain’s public sector net debt was provisionally estimated at £3.005 trillion at the end of September, taking the total above £3 trillion for the first time.
Despite reaching this record level in cash terms, public debt fell as a proportion of the economy compared with a year earlier. The debt-to-GDP ratio stood at 94 per cent, down 0.7 percentage points year on year. The ratio nevertheless remained at a level last seen in the early 1960s.
The figures underline the difficult choices facing the government as it prepares its first Budget under Healey. Ministers must balance demands for public investment and support for households against the need to control borrowing and reassure financial markets.
Richard Carter, head of fixed-interest research at Quilter Cheviot, said the debt figures illustrated the difficult balance the government was attempting to achieve.
The government wants to pursue an ambitious long-term spending programme, but rising borrowing costs and the burden of existing debt are placing increasing demands on the public finances.
With inflation accelerating, borrowing exceeding forecasts and national debt passing £3 trillion, the October 28 Budget is expected to attract close attention from households, businesses and investors. The key question is whether the government can provide meaningful relief from the cost of living while maintaining fiscal discipline and supporting economic growth.
