The government's borrowing increased substantially in August, reaching £18.3 billion as persistently elevated inflation drove up overall spending across public services and welfare programmes. This figure represents a rise of nearly one-fifth compared with August of the previous year, according to data released by the Office for National Statistics (ONS).
The widening gap between tax receipts and government expenditure comes at a critical moment for Chancellor John Healey, who is preparing to present his inaugural Budget on 28 October 2026. The higher-than-anticipated borrowing figures intensify scrutiny on the government's fiscal position ahead of this major policy announcement.
Inflation climbed to its highest level in five months during August in the United Kingdom, driven primarily by increases in petrol and diesel prices. While tax revenues grew compared with the same month in the previous year, government spending expanded at a faster rate as the acceleration in price rises filtered through public sector costs.
According to the Office for Budget Responsibility, borrowing in the first four months of 2026-27 totalled £56.7 billion, which exceeded the monthly profile set out in its March 2026 forecast by £2.3 billion. This pattern of higher-than-expected borrowing has persisted throughout the fiscal year.
How much is the government spending on debt interest?
The amount the government pays in interest on its accumulated debt reached £8.8 billion in August, marking the highest level for any August month since records began in 1997. This sharp increase reflects both the rising cost of servicing existing debt and the government's need to borrow additional funds.
The Institute for Fiscal Studies (IFS) cautioned that spending on debt interest now represents a worryingly substantial proportion of total government spending and has risen beyond the levels anticipated in the most recent official forecasts. Nick Ridpath, a research economist, observed that
both higher borrowing costs and higher inflation make life harder for a chancellor who is looking to bring down borrowing and to spend more on government priorities.
What does this mean for the autumn Budget?
The deteriorating fiscal picture creates significant challenges for the Chancellor's upcoming Budget announcement. Ruth Gregory, deputy chief UK economist at Capital Economics, characterised the figures as
a dismal backdrop for the autumn Budget, with the government once again borrowing more than expected. She warned that the data raises the probability that many policy ambitions will need to be
reined in or delayed to avoid big tax hikes and/or a backlash in the markets.
Gregory also cautioned that as economic growth slows, the government is likely to face continued pressure from higher-than-forecast borrowing. The combination of weaker economic conditions and persistent inflation creates a constrained environment for delivering new spending commitments or tax cuts.
How is the government responding?
Emma Reynolds, chief secretary to the Treasury, emphasised that the United Kingdom possesses
huge potential for economic growth, but only with fiscal discipline from the government. She highlighted the scale of the challenge, noting that
at a time when debt interest costs billions of pounds that could otherwise be spent on improving lives, we must always know where the money is coming from to pay for public services.
Reynolds stated that the government remains committed to its fiscal rules while maintaining
a buffer against uncertainty. This commitment to fiscal discipline will form a central theme as the government prepares its October Budget.
What happens next?
The next monthly public sector finances release from the ONS is scheduled for 22 September 2026, which will provide updated figures for the preceding month. The Autumn Budget itself is set for 28 October 2026, when Chancellor Healey will outline the government's fiscal strategy and spending plans for the coming period.
Key Facts:
- Government borrowing in August 2026 reached £18.3 billion, up approximately 20% year-on-year
- Debt interest payments hit £8.8 billion in August, the highest for any August since records began in 1997
- Borrowing in the first four months of 2026-27 totalled £56.7 billion, exceeding forecasts by £2.3 billion according to the Office for Budget Responsibility
- The Autumn Budget is scheduled for 28 October 2026
- Inflation rose to its highest level in five months in August, driven by higher fuel prices






