Cross-Border Inheritance & Estate Planning for International Property Owners: The Complete 2026 Guide

Published on: April 29, 2026

Quick answer: When you own property in a country that isn't your own, two legal systems usually have a say after death, the inheritance law of where you live and that of where the property sits, and cross-border estates raise three distinct problems: which law applies, forced heirship (much of continental Europe, Latin America, and Islamic-law jurisdictions reserve a fixed share, often 50–75%, for spouse and children), and double taxation where no estate-tax treaty exists. The single most powerful EU tool is Brussels IV (EU 650/2012), which makes habitual residence the default but lets you elect your national law in your will, available even to non-EU nationals, though it governs who inherits, not the tax. The investors who do well map every jurisdiction's regime up front, use coordinated multi-jurisdiction wills (including a DIFC/ADGM will for the UAE and a Turkish will for Turkey), and ensure liquidity to pay the tax bill without forced property sales.

Most international property buyers spend months researching yield, location, and Golden Visa eligibility, and almost no time thinking about what happens to that property when they die. That oversight is one of the most expensive mistakes in cross-border real estate.

When a property sits in a country that isn't your own, two completely separate legal systems usually have something to say about it after your death: the inheritance law of where you live, and the inheritance law of where the property is located. They don't always agree. In some cases, the law of your country forces your estate to your spouse and children regardless of what your will says. In others, your home country and your property country both want to tax the same estate, and there's no treaty to stop them.

This guide explains how cross-border inheritance actually works in 2026, Brussels IV, forced heirship, the global inheritance tax map, and the practical structures international investors use to keep wealth in the family across borders.

Why Cross-Border Inheritance Is Different

Domestic inheritance is comparatively simple. One country, one set of rules, one tax authority. Cross-border estates introduce three new dimensions that domestic estate plans don't account for.

The "which law applies" problem. Every country has its own private international law rules to decide which inheritance law governs your estate. These rules disagree with each other. England looks at where you were domiciled. Spain looks at where you were habitually resident. Italy historically looked at nationality. When two systems point at different laws, both jurisdictions can end up trying to administer the same estate under conflicting rules.

The forced heirship problem. A large portion of the world, including most of continental Europe, Latin America, and Islamic-law jurisdictions, does not allow you to disinherit close relatives. A fixed share of your estate (often 50–75%) automatically goes to children and spouse, even if your will says otherwise. Common-law countries like the UK, US, Australia, and most of Canada take the opposite view: testamentary freedom is the default.

The double-taxation problem. Inheritance tax treaties exist, but they are rare. The US has fewer than twenty estate tax treaties globally. The UK has fewer still. France, Germany, and Spain each have their own thin treaty networks. If your home country and your property country don't have a bilateral inheritance tax treaty, the same property can be taxed twice, once on the way out, once on the way in.

International property owners need to plan for all three problems. The instruments are different.

Brussels IV: The Single Most Important Tool for Property in the EU

The EU Succession Regulation (EU 650/2012), commonly called Brussels IV, is the most important piece of cross-border inheritance law most international property buyers have never heard of. It came into force on 17 August 2015 and applies to all EU member states except Denmark and Ireland.

Brussels IV does two transformational things.

1. It establishes habitual residence as the default. Before 2015, every EU member state had its own conflict-of-laws rules. A British retiree with a villa in Spain might have her estate split into competing administrations under English, Spanish, and Scottish rules, with three different forced-heirship outcomes. Under Brussels IV, the law of the country where the deceased was habitually resident at death governs the entire worldwide estate, automatically.

2. It allows a Choice of Law election. This is the critical part. Article 22 lets you elect, in your will, that the law of your nationality applies to your succession instead of the law of your residence. A British national habitually resident in Spain can generally elect English & Welsh, Scottish, or Northern Irish law to govern her estate, which in most cases overrides Spanish forced heirship and applies testamentary freedom, subject to local public-policy limits and tax rules.

For many international property owners with EU exposure, a will containing a Brussels IV election can be worth considering where it is to their advantage. It is generally inexpensive to add, but whether it helps depends on your circumstances.

A few important nuances:

• Brussels IV applies regardless of nationality. A US citizen, Canadian, Australian, or Brazilian who owns property in Spain, Portugal, France, Italy, or any other participating member state can use Brussels IV. You do not need to be an EU national.
• Tax is excluded. Brussels IV governs who inherits, not how much tax is paid. Tax is a separate analysis, governed by domicile, residence, and treaty law.
• Public policy can override the election. In June 2022, the German Federal Court of Justice (case IV ZR 110/21) ruled that an English law election made by a long-term British resident of Germany was ineffective because it disinherited an adopted child, violating the German constitutional right to a Pflichtteil (compulsory share). This decision is narrow but it shows the limit: a foreign election that would shock local fundamental rights can be set aside.
• The European Certificate of Succession (ECS) is a single, standardized document recognized across all participating EU states. An heir can use the ECS to register a property transfer at the Spanish Land Registry, the French notary, or the Italian Catasto without going through each country's separate probate process.

For investors with property in multiple EU countries, Brussels IV is the single most powerful planning lever available.

Forced Heirship: The Map You Need to Know

Even with Brussels IV in your toolkit, forced heirship dictates much of cross-border succession outside the EU and remains relevant inside it. Here is the global landscape simplified.

Two patterns matter for investors.

First, common-law jurisdictions are friendlier to estate planning. If you are a UK, US, Canadian, Australian, or New Zealand national, your home jurisdiction lets you write a will that does roughly what you want. You then need to figure out how to extend that flexibility to your foreign-located properties.

Second, civil-law jurisdictions take family obligation seriously, and that obligation often extends to property within their borders regardless of the owner's nationality. France, Italy, Spain, and Portugal all treat immovable property (real estate) as governed by their succession regime in many edge cases, even with a Brussels IV election. Quality cross-border legal advice is non-negotiable for properties worth over a few hundred thousand euros.

Inheritance Tax: The Global Picture in 2026

Inheritance is not just about who gets the property, it's about how much survives the transfer. The variation across jurisdictions is enormous.

Countries with no inheritance or estate tax (2026)

Several developed economies have abolished inheritance and estate tax entirely. For wealthy families with international flexibility, this is a major planning factor.

"No inheritance tax" does not always mean "tax-free transfer." Canada and Australia both apply a deemed disposition rule, the deceased is treated as having sold all appreciated assets at fair market value at death, triggering capital gains tax on the estate. For highly appreciated property, the economic effect can be similar to an inheritance tax.

Countries with significant inheritance tax (2026)

The other end of the spectrum is striking.

For property investors, four observations stand out.

Italy is surprisingly favourable. With a €1 million exemption per direct heir and a top rate of just 4–8%, Italy is one of the most lenient large European jurisdictions for inheritance, a counterintuitive fact given Italy's reputation for high taxation generally.

Spain varies wildly by region. A property in Madrid passing to children may face near-zero IHT due to regional reliefs. The same property in another region could face material tax. Where in Spain you buy materially affects estate outcomes.

The UK reform clock is ticking. From April 2026, Business Property Relief and Agricultural Property Relief, long the cornerstones of UK estate planning, are capped at £2.5 million combined per estate. Non-domicile rules also tightened in April 2025, with long-term UK residents (10+ of prior 20 years) now subject to UK IHT on their worldwide estate. UK property buyers planning to remain in the UK long term should expect a heavier IHT burden than under previous rules.

Double taxation can be brutal. A US citizen with a flat in Paris, dying domiciled in California, can face French inheritance tax (up to 45% to children with limited exemptions) and US federal estate tax exposure on the worldwide estate. The US–France estate tax treaty mitigates this, but only with active planning.

Estate Planning Structures International Property Owners Use

There is no single right structure. The right one depends on the investor's nationality, residence, wealth level, family composition, and the countries where the property sits. A few structures recur across most successful cross-border estate plans.

1. Multiple wills, coordinated to one master plan

Many international property owners use separate wills for each jurisdiction where they own significant assets. A British investor with property in Spain, Portugal, and Dubai might have an English will (covering UK and rest-of-world assets), a Spanish will (covering Spanish real estate), a Portuguese will (covering Portuguese real estate), and a DIFC or ADGM will for the UAE assets.

The key is coordination. Each will should explicitly preserve the validity of the others, address the same global plan, and include any necessary Brussels IV election. Uncoordinated multi-will estates produce expensive litigation. Coordinated ones produce smooth, country-by-country probate.

2. Holding the property through a company

Owning property through a holding company can convert real estate (governed by the country where it sits) into shares (often governed by where the holder is domiciled). The advantages can include:

• Avoiding forced heirship by converting immovable property into a movable asset
• Simpler intergenerational transfer through share gifting rather than property transfer
• Privacy and flexibility for joint family ownership

The disadvantages can be material: anti-avoidance rules in many countries (France, Spain, Italy) look through company structures for IHT purposes. Annual compliance costs for the holding entity can be substantial. Some jurisdictions impose punitive taxes on real estate held through opaque structures (the French 3% annual tax on property held by certain non-EU companies is the canonical example).

For higher-value properties, a holding structure can sometimes be cost-effective, but the break-even depends heavily on the countries and facts involved. For mid-market properties, the structure cost frequently outweighs the benefit.

3. Trusts (where they're recognized)

Trusts are a flexible Anglo-Saxon planning tool, well-established in the UK, US, Canada, Australia, the Cayman Islands, Jersey, Guernsey, and the Isle of Man. They are not universally recognized in civil-law jurisdictions. France, Italy, Germany, and Spain all have varying approaches; the EU Hague Trust Convention has not been adopted by all. Common-law nationals using trusts for foreign property often need a parallel local solution.

4. Lifetime gifting

Many European jurisdictions tax lifetime gifts at lower rates than inheritance, and renew the exempt allowance every several years (Germany every 10, France every 15). Sophisticated planning uses successive lifetime gifts to transfer property to the next generation tax-efficiently while the donor is still alive, effectively front-loading the inheritance.

5. Insurance-funded liquidity

A common problem in cross-border estates: the heirs inherit a valuable property but can't afford the inheritance tax bill. Forced sales of overseas property at distressed prices are frequent in France and Spain in particular. Whole-of-life insurance, often held in a trust, provides the liquidity to settle the IHT bill without forcing the property to be sold.

For example, a £2M French villa could generate a substantial inheritance-tax bill for children. Life insurance held in trust is one tool some owners use to provide liquidity; its tax treatment varies by country and is not always tax-free, so take advice before relying on it.

Country-by-Country: What Property Owners Should Know

A short summary of the most relevant rules for the most common destinations.

Spain. Brussels IV applies. British, US, and other foreign nationals can elect their home law and avoid Spanish forced heirship. Inheritance tax varies by autonomous region, some (Madrid, Andalusia for direct family) offer near-total relief, others do not. Tax is paid by heir, not estate.

Portugal. No inheritance tax for direct family (spouse, children, parents). 10% stamp duty for everyone else. Brussels IV applies; British or non-EU nationals can elect home law. Forced heirship still applies to Portuguese-located property unless a valid Brussels IV election is made.

France. Forced heirship is among the strongest in Europe; recent reforms have tightened workarounds. Brussels IV election can avoid forced heirship rules but does not avoid French inheritance tax, which can reach 45% to children and 60% to non-relatives. Holding companies (SCI structures) are very common for French property.

Italy. Forced heirship applies but inheritance tax is unusually low (4–8% with €1M exemption per close heir). The combination makes Italy planning-friendly: you can't fully disinherit, but the tax bill is modest.

Germany. Strong constitutional right to a Pflichtteil. As the 2022 Federal Court case shows, Brussels IV elections can be partially overridden by German public policy. Tax rates 7–50% with relationship-based allowances.

United Kingdom. Testamentary freedom. UK IHT at 40% above £325,000 nil-rate band (or up to £500,000 with the residence nil-rate band for direct descendants). From April 2025, long-term UK residents face IHT on worldwide estate; non-dom regime substantially reformed.

United States. State-by-state rules. Federal estate tax exemption is $15M per individual (2026), made permanent by the 2025 One Big Beautiful Bill Act; the previously scheduled TCJA sunset was repealed. Twelve states have additional estate taxes; six have inheritance taxes.

United Arab Emirates. Sharia inheritance applies by default. Non-Muslim foreign owners in Dubai can register a will at the DIFC Wills Service Centre (covering assets across the UAE). Non-Muslims with assets in Abu Dhabi can register at the ADGM Courts Wills service. These structures allow common-law-style testamentary freedom for UAE property.

Turkey. Turkish Civil Code governs real estate located in Turkey, regardless of the owner's nationality. Forced heirship reserves shares for spouse, children, and parents. Turkish inheritance tax ranges from 1% to 30% with relationship-based reductions. Foreigners owning property in Turkey should have a Turkish will and a coordinated home-country will.

Greece. Brussels IV applies. Greek forced heirship reserves 50% to descendants. Tax is paid by heir; rates depend on category and value.

A Practical Checklist for Cross-Border Property Owners

A short framework that captures most of what international investors should do.

1. Inventory every property by jurisdiction, country, value, ownership structure, and the local succession regime.
2. Identify your habitual residence and your domicile, these are often different, and they trigger different tax regimes.
3. For EU property, consider a Brussels IV election, usually included in your home-country will.
4. For UAE property, registering a DIFC or ADGM will is commonly used by non-Muslims; without a valid opt-out, Sharia principles may apply by default. The available options have changed in recent years.
5. For Turkey, draft a Turkish will in coordination with your home-country will.
6. Map double-taxation exposure, does your home country have an estate tax treaty with each property country? If not, plan around it.
7. Stress-test forced heirship, if you cannot disinherit, can your plan still achieve your intent?
8. Ensure liquidity for IHT, life insurance or liquid assets to cover the tax bill without forcing distressed property sales.
9. Review every 3–5 years, and after any major change (move, divorce, child, sale, new acquisition).
10. Use specialists, not generalists. Cross-border estate planning is one of the few areas where the cost of expert advice is almost always trivial relative to the cost of getting it wrong.

Frequently Asked Questions

Does my will from my home country cover my foreign property?
Sometimes, but not reliably. A US, UK, Canadian, or Australian will is typically valid in form for foreign property, but it may not override forced heirship rules in the property's country and may not work efficiently with foreign probate. Most international owners use a coordinated multi-will approach.

Can I avoid forced heirship in France or Spain by using a Brussels IV election?
In many cases, for non-French/non-Spanish nationals, a properly drafted Brussels IV election may override forced heirship, but outcomes vary and depend on jurisdiction-specific limits. There are limits: French 2021 reforms restrict some workarounds, and German public policy can override an election in extreme cases.

What happens if I die without a will and own foreign property?
The default rule under Brussels IV is the law of your habitual residence at death. Outside the EU, the rule depends on the property country. In every case, intestacy is more expensive, slower, and less aligned with what you actually want. Even a simple will is dramatically better than none.

Is inheritance tax due in both countries?
Sometimes, yes. Estate tax treaties exist between some countries (US–UK, US–France, US–Germany, UK–France, UK–Italy, UK–Netherlands, etc.) but not most. Where no treaty applies, the same property can face inheritance tax in both jurisdictions. Active planning, through structure, location, or insurance, is the only mitigation.

Should I hold foreign property through a company?
For high-value properties (typically €2M+), often yes, for liquidity, simplicity of transfer, and forced-heirship management. For mid-market properties, the annual compliance and tax cost frequently outweigh the inheritance benefit. This is a calculation, not a default.

Does the UK still benefit from Brussels IV after Brexit?
Yes. Brussels IV is an EU regulation that applies to property located in EU member states, regardless of the owner's nationality. A British national with a Spanish villa can still make a Brussels IV election to apply English law to that property's succession. Brexit did not change this.

What about cryptocurrency and other digital assets?
A growing problem. Digital assets sit awkwardly in most inheritance frameworks. They are typically governed by the deceased's domicile or habitual residence, but practical transfer to heirs depends on private keys and platform access. Every cross-border estate plan in 2026 should address digital assets explicitly.

The Bigger Picture

International real estate has moved from a niche to a mainstream HNW asset class. Cross-border estates are becoming the norm rather than the exception. But inheritance law has not converged at the same speed. A French villa, a Dubai apartment, a London flat, and a New York condo each sit in a different succession regime, with different tax rules, different forced-heirship constraints, and different probate processes.

The investors who do well across borders treat estate planning as part of the original purchase decision, not as something to address later. They map the succession regime of every jurisdiction they enter. They draft wills that work together rather than against each other. They use Brussels IV where it helps. They register DIFC or ADGM wills for UAE property. They understand the tax map well enough to plan around the worst exposures.

That kind of planning is not legal exotica. It is what separates international portfolios that pass to the next generation cleanly from the ones that fund a decade of litigation.

At JanusHermes, we help international investors compare properties across 50+ countries with the local tax, regulatory, and inheritance context made transparent, so the cost of holding and the cost of transferring are visible from the day you start searching, not the day your heirs find out. Explore cross-border property intelligence on JanusHermes →

Disclaimer: Nothing here constitutes legal, tax, or estate planning advice. Cross-border estates require specialist counsel; please consult qualified solicitors, attorneys, or notaries in each relevant jurisdiction before making decisions.

Last updated: April 2026.

A note on the numbers: where no source is named, the market figures in this article (prices, yields, costs) are indicative estimates compiled from publicly available market data and industry reporting at the time of writing. Markets move and rules change, so treat them as a starting point and verify current figures with official sources before acting on them.