Frozen tax thresholds push revenues to record highs

Inheritance tax receipts rose to £3.7bn between April and August, £200m higher than the same period last year, according to the latest HMRC figures.

While the sums remain modest compared with income tax and National Insurance, analysts warned that frozen thresholds and policy changes are steadily pulling more households into the net.
Helen Morrissey, head of retirement analysis at Hargreaves Lansdown, says: “Inheritance tax receipts continue to climb – up £0.2bn on the same period last year. It may seem like a drop in the ocean when you compare it to other taxes but slowly and surely it is dragging more people into the net.

“The news that pensions will be included in people’s estates for inheritance tax purposes from 2027 has attracted a lot of attention and this will focus people’s minds on what they can do to minimise the bill.”

GIFTING ASSETS

And she adds: “We expect people will consider giving away more of their assets while they are still alive by making use of the various allowances on offer. This can be a benefit, in that you actually see your loved ones enjoying what you have given them.”

HMRC RECEIPTS
HMRC receipts for April 2025 to August 2025
HMRC receipts for April 2025 to August 2025. Source: HM Treasury

The largest driver of tax receipts remains income tax and NICs, which together with capital gains tax delivered £19.3bn more than in the same period last year. Analysts attributed much of the increase to fiscal drag caused by frozen thresholds, as well as April’s rise in employer National Insurance.

STEALTH TAX
Helen Morrissey, Head of Retirement Analysis at Hargreaves Lansdown
Helen Morrissey, Hargreaves Lansdown

Morrissey added: “The tax-take on income tax and NICs continues to soar as frozen thresholds pull more people into paying more tax.

“This stealth tax is due to come to an end in 2028 but given the challenges faced by the Chancellor you cannot rule out the potential for it to be extended in November’s Budget to continue its steady squeeze on our incomes.

“The increase in Employer National Insurance, that came in in April, will also be having a major impact on receipts. This hugely unpopular tax hike is causing employers considerable pain with many warning it could dampen hiring prospects and wage increases in future.”

Capital gains tax receipts, however, fell compared with last year, which Morrissey suggested may reflect investors holding on to assets rather than selling them.

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