It is a widely-held belief that when British expats move abroad, their liability under the UK tax regime comes to an end. Even when expats become tax resident elsewhere in Europe, it is rare that they will no longer be liable to pay UK Inheritance Tax (IHT). In this article, we provide an overview of why even in a post-Brexit world, UK expats living in the EU, or elsewhere, need to remain vigilant with regards to inheritance tax.