Rising tax receipts can’t keep pace with the UK’s growing debt burden

This imbalance raises important questions for businesses, policymakers, and taxpayers about what comes next.

A widening gap between income and debt

The latest data shows HMRC collected £931.2bn in taxes in the year to February 2026, up significantly from £855.3bn the previous year. While this represents a substantial increase, it sits against a national debt of £2.9 trillion – illustrating the scale of the challenge.

Tom Goddard, Assistant Manager explains:

HMRC, over the past 12-month period, have received £931.2bn from all tax streams. For the 12-months prior, it was £855.3bn, and £824.9bn before that. But those record hauls pale to insignificance in comparison to the £2.9 trillion national debt.

The key issue is not revenue growth in isolation, but the pace at which government spending and borrowing are rising alongside it.

Borrowing pressures continue to build

Although HMRC’s total receipts are up 8.87% (£75.9bn increase) for the 12-month period to the end of February 2026 compared with the 12 months to February 2025, Government borrowing continues to rise. The Government borrowed £14.3bn in February 2026 alone, well above the forecasted £8.5bn predicted by the Office for Budget Responsibility (OBR).

This highlights a structural imbalance: spending commitments are growing faster than the tax base can sustainably support.

The cost of debt is rising too

Government spending is therefore increasing at a faster rate than they can generate through tax revenue. The issue is only exacerbated as a result of increasing Gilt yields which only add to the government’s debt crisis. Gilts are UK government bonds, issued to help finance public spending. When they are brought, the buyer is in effect lending money to the UK Government – the increasing annual returns investors receive or yield means the Government owes more money than the Gilts were originally worth.

For businesses, this matters because higher government borrowing costs can feed into wider interest rates across the economy, influencing everything from lending conditions to investment decisions.

Geopolitics and inflationary pressures

There is no doubt that the rise in government spending has been increased by the Middle East conflict and the resulting rising energy costs. A theme that will likely continue into the future. As a result, interest rates which were previously predicted to be cut during the year will likely be increased, as the bank of England’s governor is calling for.

This suggests that expectations of easing monetary policy may need to be reassessed, with knock-on effects for borrowing, investment, and consumer demand.

Tax trends reveal shifting behaviour

A closer look at the composition of tax receipts reveals some notable trends. Capital Gains Tax (CGT) saw the largest increase – up 59.2% – likely driven by taxpayers accelerating disposals ahead of rate changes introduced in October 2024.

Other increases were also significant:

• Self-assessment: +16.58%
• National Insurance Contributions: +15.3%
• Stamp Duty Land Tax: +15.53%
• PAYE: +7.66%
• VAT: +5.62%
• Corporation tax: +3.1%

These figures point to both economic resilience in certain areas and behavioural responses to policy changes – particularly where tax rises are anticipated.

Policy choices ahead: spending vs taxation

While the Chancellor reportedly has £23.6bn in fiscal headroom, this may prove insufficient if current trends continue.

Tom concludes:

The Chancellor will be glad to have the reported £23.6bn in fiscal headroom available in order to help mitigate the effects of geopolitical events on the country’s finances. However, as the economic cost of the conflict in the Middle East bites, the Chancellor may have to make some tough choices on public spending, as taxes alone clearly can’t fill the debt black hole. One should however expect further tax increases in the Autumn budget if things continue as they are.

This underscores a likely policy direction: a combination of tighter public spending and further tax increases.

Why this matters for businesses and individuals

For businesses, the implications are clear:

Higher taxes are increasingly likely, particularly in areas where revenue can be raised quickly.

Interest rates may remain elevated, increasing the cost of borrowing and affecting investment decisions.

Policy uncertainty may persist, especially ahead of key fiscal events such as the Autumn Budget.

For individuals, rising tax receipts already reflect a growing burden, and further changes could affect income, savings, and investment strategies.

What you should consider next

In this environment, proactive planning is essential:

Review tax exposure: Assess how potential future tax increases – particularly in CGT, income tax, or NICs – could affect you or your business.

Plan transactions carefully: Timing of asset disposals or income recognition may become increasingly important.

Stress-test financing: Consider how sustained higher interest rates could impact cash flow and borrowing costs.

Monitor policy developments: The Autumn Budget may introduce material changes – early preparation can provide a competitive advantage.

Seek advice early: Engaging with advisers can help identify opportunities and mitigate risks in a shifting fiscal landscape.

While rising tax receipts might suggest improving public finances at first glance, the broader picture tells a different story. The UK faces a complex fiscal challenge – one that will likely shape tax policy, economic conditions, and business strategy for years to come.

Would you like to know more?

If you would like to discuss any of the above, please speak to your usual Blick Rothenberg contact.