Inheritance tax haul grows as more families are dragged into the tax net
Inheritance tax receipts got off to a slightly slower start in the first month of the 2026/27 tax year, but the figures still underline how rapidly the tax burden on estates continues to grow.
HM Revenue & Customs (HMRC) collected £0.7 billion in inheritance tax in April, £65 million less than during the same month last year. However, after a record-breaking £8.5 billion haul in the previous tax year, receipts remain historically high and the government still appears on course for another bumper year of inheritance tax revenues.
The long-term rise in inheritance tax receipts has been fuelled by a combination of frozen thresholds, rising house prices and changes to inheritance tax reliefs, all of which are pulling more estates into the tax net.
While inheritance tax is often viewed as a tax on the super wealthy, HMRC’s own figures show the burden is gradually spreading more widely. The Office for Budget Responsibility estimates that almost 10% of estates could face inheritance tax liabilities by 2030.
At the same time, the very wealthiest estates still account for the lion’s share of receipts. Just 1% of estates accounted for around 65% of all inheritance tax paid, while only 202 estates were responsible for 11% of the total tax take.
Susannah Streeter, chief investment strategist, Wealth Club:
“Inheritance tax has become one of the Treasury’s most effective stealth taxes. Although receipts dipped slightly in April compared with the same month last year, the government’s take from bereaved families remains exceptionally high and is still on course for another record-breaking year.
The government has struggled with inheritance tax reforms with crackdowns on farmers and business owners proving deeply unpopular, while years of frozen allowances mean more ordinary families are quietly being pulled into the inheritance tax net through stealth taxation.
Rising property prices have played a huge role in increasing this stealthy tax take. Many families who would never have considered themselves wealthy now find themselves facing inheritance tax bills simply because the value of the family home has climbed sharply over the years. While the biggest estates still account for the overwhelming majority of inheritance tax paid, the tax base is steadily broadening. The idea that inheritance tax only affects a tiny minority of ultra-wealthy families is becoming increasingly outdated.”
Recent reforms to inheritance tax-efficient assets, including pensions, private company shares and AIM shares, have also created significant uncertainty for investors and business owners. The changes affecting AIM have been particularly unsettling. AIM was designed to help smaller UK companies raise capital by encouraging investors to back higher-risk businesses. Weakening the inheritance tax incentives risks making it harder for those firms to attract long-term investment.
After speculation that inheritance tax relief on AIM shares could be scrapped altogether, the government instead reduced the relief by 50%. While markets welcomed the clarity, renewed suggestions that further changes could still be on the table risk damaging confidence once again.
There is also a danger that the government pushes too far. Inheritance tax is already deeply unpopular, particularly among internationally mobile wealthy individuals. If the UK continues to increase the inheritance tax burden while reducing reliefs, some taxpayers may simply decide to leave the country altogether.
What can families and investors do to reduce inheritance tax exposure?
Despite tighter rules and increased scrutiny from HMRC, there are still several ways families may be able to reduce inheritance tax liabilities, although many require long-term planning and careful advice.
- Giving money away early
Gifts made from surplus income remain immediately inheritance tax free, while larger gifts generally fall outside the estate after seven years. However, once assets are gifted they are no longer under the giver’s control. - Business Property Relief and qualifying investments
Certain qualifying investments can become inheritance tax efficient after two years through Business Property Relief, although these investments can carry substantial risk. From 2026, Business Relief assets above the £1 million allowance are expected to face inheritance tax at a reduced rate of 20%. - AIM portfolios and AIM ISAs
ISAs themselves are not exempt from inheritance tax, but qualifying AIM portfolios have historically offered investors a way to reduce inheritance tax exposure after two years. These investments involve significantly higher risk and, from 2026, qualifying AIM investments are expected to face inheritance tax at a reduced rate of 20% rather than being fully exempt. - Reviewing pension strategies
With pensions expected to fall within the inheritance tax net from 2027, retirement and estate planning strategies are becoming increasingly important for many families.
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