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Tax Basics for Foreign Property

Why buying abroad almost always means dealing with two tax systems — and the most common pitfalls to plan around.

6 min readUpdated October 2025

Tax is the part of overseas property buyers find most boring and most expensive when they get it wrong. The basics below apply almost everywhere; the details require an accountant in both countries.

Two tax systems, almost always

When you own property in country A and live in country B, both tax authorities will usually want to know about it. Most countries tax their residents on worldwide income and sometimes worldwide assets.

Rental income

Renting out your overseas property typically means filing a tax return in the property's country. You may then need to declare the same income at home and claim relief for any tax already paid abroad under a double-taxation treaty.

Capital gains tax on sale

Selling a property abroad can trigger capital gains tax in both countries. Many treaties allow you to claim a credit for foreign tax paid, but the rules and time limits are strict.

Inheritance and estate tax

Foreign property complicates inheritance planning enormously. Some countries impose inheritance tax based on the location of the property; others on the residency of the heir. Wills written in your home country may not cover overseas assets cleanly.

Heads up

Get specialist legal advice on a 'situs will' (a will covering only the foreign property) before you complete the purchase, not after.

Reporting requirements

Many countries (including the US, UK, Canada, Australia, and EU members) require residents to report foreign assets above certain thresholds, even when no tax is due. Penalties for non-disclosure are often far worse than the tax itself.

Important: This guide is for general information only and is not legal, tax, or financial advice. Rules and figures vary by country and change over time — always confirm specifics with a qualified local professional before acting.