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Wealthy Individuals Allegedly Evade £343 Million in Inheritance Tax: Guidelines to Evade Rule Violations

Rising anticipation of unpaid inheritance taxes as government looks to generate additional £2 billion through rule modifications

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Wealthy individuals potentially evaded £343 million in inheritance tax; a guide on navigating the...
Wealthy individuals potentially evaded £343 million in inheritance tax; a guide on navigating the tax regulations to avoid legal complications.

Wealthy Individuals Allegedly Evade £343 Million in Inheritance Tax: Guidelines to Evade Rule Violations

The UK government is set to implement significant changes to Inheritance Tax (IHT) regulations, with reforms taking effect from April 2026 and April 2027. These changes will affect Business Property Relief (BPR), Agricultural Property Relief (APR), and pensions.

Changes to BPR and APR from April 2026

From 6 April 2026, the reforms to BPR and APR include:

  • A £1 million combined allowance for BPR and APR, where qualifying assets enjoy 100% relief up to this cap.
  • Any value above £1 million receives 50% relief rather than the current 100%.
  • This cap does not apply to AIM-listed shares and similar unlisted shares on recognized exchanges, which will get only 50% relief in all circumstances.

These changes are expected to affect around 2,000 estates, primarily increasing IHT for estates with larger business or agricultural holdings. Approximately 520 estates claiming APR and 1,500 estates claiming only BPR are expected to face higher IHT bills. However, most estates claiming APR or BPR (around three-quarters) will not pay more IHT due to these changes.

From 6 April 2027, pension-related IHT reforms will come into effect:

  • Unused pension funds will become subject to IHT at the full 40% rate above the Nil-Rate Band threshold, ending decades of IHT-free pension wealth transfers.
  • Death benefits from pensions will be included in estate valuations for IHT purposes.

These changes will affect approximately 213,000 estates that have inheritable pension wealth, with an estimated 10,500 estates becoming liable for additional IHT post-2027.

Impact on tax underpayment and disputes

These substantial reforms introduce complexity, particularly around valuation and qualifying assets for APR, BPR, and pension wealth. The introduction of relief caps and bringing pensions fully into estate calculations will likely cause increased tax underpayment risks if estates misapply the new rules.

HMRC's incomplete data on beneficiaries and changes to relief calculations may lead to more disputes between taxpayers and HMRC, especially as estate values and relief claims need closer scrutiny from 2026 onward. The government has conducted consultations on technical implementation, indicating ongoing policy refinement and potential areas of debate in future IHT computations and trust charges.

Consequences of Underpayment and Disputes

Failing to declare cash or other valuables in an inheritance tax form can be an issue during HMRC's inheritance tax investigations. The figure of underpaid inheritance tax is up by £18 million compared to the previous year. The figures for suspected tax avoidance and evasion, known as 'tax under consideration', could increase significantly in future years following inheritance tax rule changes.

HMRC can use a copy of a property's contents insurance to check for valuable items that may have been omitted from an inheritance tax return. It is important to report all assets accurately to avoid inheritance tax penalties. HMRC looks for a range of issues during inheritance tax investigations into suspected underpaid inheritance tax.

HMRC can investigate gifts made more recently than claimed to have been made more than seven years ago during inheritance tax investigations. Deliberately undervaluing a residential property that is part of an estate is a red flag for HMRC during inheritance tax investigations.

Revenue Generation and Future Implications

Both the changes in inheritance tax rules are expected to bring in more revenue for the Treasury. The UK's HMRC believes that up to £343 million in inheritance tax was underpaid by wealthy taxpayers in the last year. These reforms aim to address this issue and ensure a fairer distribution of tax revenue.

However, the increased complexity and potential for disputes may lead to a rise in the number of inheritance tax-focused investigations from HMRC, potentially causing more stress and uncertainty for taxpayers. It is essential for individuals to seek professional advice and ensure accurate reporting to avoid any potential penalties or disputes with HMRC.

[1] GOV.UK: Business and agricultural property relief [2] GOV.UK: Inheritance tax: pensions [3] HMRC: Inheritance Tax: Business Property Relief and Agricultural Property Relief [4] HMRC: Inheritance tax: pensions and life policies

  1. The changes in the Inheritance Tax (IHT) regulations related to Business Property Relief (BPR) and Agricultural Property Relief (APR) will affect the finance and property sectors, as from April 2026, there will be a £1 million combined allowance for BPR and APR, with any value above receiving 50% relief instead of 100%.
  2. From April 2027, a significant reform in pensions and finance will be implemented, as unused pension funds will become subject to IHT at the full 40% rate, affecting approximately 213,000 estates with inheritable pension wealth, and potentially increasing IHT for these estates.

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