The Long-Term Resident IHT Tail: Why Leaving the UK Does Not End Inheritance Tax Exposure
From 6 April 2025, UK inheritance tax no longer depends on domicile. An individual is a long-term UK resident, and taxable on worldwide estate, once resident in 10 of the preceding 20 tax years. Crossing the threshold is the easier half; coming out of it is the harder half. A minimum three-year tail follows every departure, and the tail extends by one year for each additional year of residence beyond 13, up to a ten-year ceiling.
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