
The UK government is implementing the most radical overhaul of inheritance tax in decades, with new residence-based rules already in effect and a potential lifetime cap on gifts that could fundamentally restrict how families preserve wealth for future generations.
Story Overview
- Residence-based inheritance tax system replaced domicile rules in April 2025, exposing more overseas assets to taxation
- Government considering lifetime cap on gifts similar to US model, potentially ending unlimited tax-free transfers between generations
- Farms, businesses over £1 million, and unused pensions will face inheritance tax for first time starting 2026-2027
- Frozen tax thresholds through 2030 will drag thousands more estates into inheritance tax liability
New Residence Rules Target Wealth Preservation
The residence-based inheritance tax system that took effect in April 2025 fundamentally changed how the UK taxes estates. Long-term UK residents now face inheritance tax on worldwide assets, regardless of their domicile status. This eliminates the non-domiciled loophole that previously allowed wealthy individuals to shield overseas assets from UK taxation. The new system defines long-term residents as those living in the UK for at least 10 out of the previous 20 years, casting a wide net over international families who built wealth planning strategies around domicile status.
Estate planners warn that families must immediately reassess their wealth transfer strategies under these new rules. The shift affects not only current tax liability but also the effectiveness of existing trust structures and offshore arrangements. Many previously exempt assets now face the 40% inheritance tax rate, forcing urgent reviews of succession plans that took years to establish.
Lifetime Gift Cap Threatens Generational Transfers
The proposed lifetime cap on gifts represents perhaps the most significant threat to traditional wealth preservation methods. Currently, UK residents can make unlimited tax-free gifts provided they survive seven years after making them. The government is considering implementing a US-style lifetime allowance that would restrict total gifts over an individual’s lifetime, potentially ending the practice of gradually transferring wealth to avoid inheritance tax.
This change would fundamentally alter family financial planning, forcing parents and grandparents to choose carefully between current gifts and preserving their lifetime allowance for future transfers. Tax advisers express concern that such restrictions could trap wealth within estates, maximizing government tax collection while minimizing families’ ability to provide for future generations through strategic gifting.
New Asset Classes Face Tax Assault
The government’s expansion of inheritance tax to previously exempt assets demonstrates a systematic effort to close avoidance opportunities. Starting in April 2026, family farms and businesses valued over £1 million will lose their inheritance tax exemptions, threatening multi-generational enterprises that families spent decades building. Agricultural Property Relief and Business Property Relief, long-standing protections for productive assets, will no longer shield these crucial wealth-building vehicles from taxation.
Unused pension funds face inclusion in inheritance tax calculations beginning April 2027, even affecting savers too young to access their retirement accounts. This represents a double taxation assault, as individuals contribute to pensions from taxed income, watch their funds grow, then see remaining balances taxed again upon death. Combined with frozen inheritance tax thresholds through 2030, these changes will subject thousands more families to the 40% tax rate as inflation pushes estate values above the static £325,000 threshold.
Sources:
A New Era for UK Inheritance Tax: What the 2025 Reforms Mean for You
Scope of Inheritance Tax: New Residence-Based System
Major Changes to UK Inheritance Tax: The Move to a Residence-Based Regime from April 2025
How Upcoming Changes to Inheritance Tax Rules Could Affect You
Inheritance Tax if You’re a Long-Term UK Resident



