Forced Heirship Explained: Why Your Will May Not Decide Who Inherits Your Wealth

Most people assume that writing a Will allows them to decide exactly who inherits their wealth when they die.

In many countries, that assumption is wrong.

You may spend decades building a successful business, accumulating investments, purchasing overseas property and carefully planning your family’s future, only to discover that the law in the country where you live, own assets or hold citizenship decides who inherits a substantial portion of your estate.

This concept is known as forced heirship.

It surprises many British expatriates because it is fundamentally different from the position in England and Wales, where individuals generally enjoy broad testamentary freedom and can leave their assets to whomever they choose. In many civil law countries, however, certain family members are automatically entitled to inherit part of an estate regardless of the contents of a Will.

For internationally mobile families, business owners and high-net-worth individuals, understanding forced heirship can be one of the most important aspects of estate planning.

What Is Forced Heirship?

Forced heirship is a legal system that reserves part of a deceased person’s estate for specific family members, usually children and sometimes spouses or parents.

The reserved portion cannot normally be given away to other beneficiaries, even if the deceased clearly expressed a different intention in their Will.

The underlying philosophy is that certain close family members should be protected from complete disinheritance.

Whilst that may sound reasonable in principle, it can create significant challenges for modern families.

Consider:

• Second marriages

• Blended families

• Business succession planning

• Unequal financial needs between children

• Charitable giving

• Asset protection planning

• Cross-border estates

All of these situations can become considerably more complicated where forced heirship rules apply.

The UK Approach Is Different

In England and Wales, individuals generally enjoy substantial freedom regarding who inherits their assets.

Whilst certain family members can challenge a Will under the Inheritance (Provision for Family and Dependants) Act 1975, there is no automatic entitlement for children to receive a fixed percentage of an estate.

That is not the case in many parts of Europe, the Middle East, Latin America and Asia.

Many British expatriates discover this distinction only after purchasing overseas property or relocating abroad.

Unfortunately, by then the planning opportunities may be more limited.

Spain: One of Europe’s Most Restrictive Systems

Spain is perhaps one of the best-known examples of forced heirship.

Under Spanish succession law, approximately two-thirds of an estate may be reserved for children. The estate is effectively divided into three parts, with significant restrictions on how much can be left freely to other beneficiaries.

Case Study: The Costa del Sol Villa

John and Sarah retired to Spain after successful careers in the UK.

John had two children from a previous marriage and wished his entire Spanish estate to pass to Sarah on his death. The intention was that Sarah would remain financially secure and later leave the assets to all children equally.

The couple assumed a simple UK-style Will would achieve this.

However, Spanish forced heirship rules potentially gave John’s children immediate inheritance rights over part of the estate. Without proper planning, Sarah could have found herself owning only part of the family home whilst John’s children inherited the remainder.

The result may not have reflected anyone’s wishes.

Situations like this occur regularly amongst expatriate families.

The good news is that many foreign nationals living in Spain may be able to elect for the succession law of their nationality to apply through careful Will drafting, although specialist advice remains essential.

France: The Children’s Rights Come First

French succession law also contains well-established forced heirship provisions.

Children are generally entitled to a protected share of the estate, with the percentage increasing according to the number of children involved. In some circumstances, up to 75% of the estate may effectively be reserved.

For British families owning French property, this often comes as a surprise.

Many people purchase a holiday home in France believing it will simply form part of their wider estate.

Unfortunately, French succession law does not always cooperate with those expectations.

Case Study: The French Holiday Home

Colin and Anne owned a £900,000 holiday property in Provence.

Their objective was simple.

The surviving spouse should inherit everything first.

After the second death, the property would be sold and divided between the grandchildren.

Unfortunately, French forced heirship rules potentially gave the children rights that could override part of this arrangement.

The couple ultimately required specialist cross-border planning to ensure their objectives could be achieved as closely as possible.

The lesson is simple.

Owning overseas property frequently means becoming subject to overseas succession laws.

The UAE: A Rapidly Changing Landscape

Historically, succession planning in the UAE generated considerable concern amongst expatriates.

Many non-Muslim residents worried that local Sharia inheritance principles could determine how UAE assets were distributed if appropriate planning had not been completed.

The legal position has evolved significantly in recent years.

The UAE has introduced legislation specifically addressing succession for non-Muslims, whilst structures such as DIFC and ADGM Wills have become increasingly popular estate planning tools.

However, many expatriates still assume that simply having a UK Will solves the problem.

That assumption can be dangerous.

Case Study: The Dubai Property Investor

Mark, a British executive, accumulated several investment properties in Dubai worth approximately £2 million.

He assumed his UK Will would ensure that all assets passed directly to his wife.

During an estate planning review, he discovered that relying solely on a UK Will could create uncertainty and delays for his UAE assets.

After specialist advice, he implemented dedicated UAE succession arrangements alongside his UK estate planning.

The objective was not simply tax efficiency.

It was ensuring the right assets passed to the right people at the right time.

The cost of planning was insignificant compared with the potential cost of getting it wrong.

Why Forced Heirship Creates Problems for Wealthy Families

Forced heirship legislation was largely designed around traditional family structures.

Modern families are often considerably more complex.

Examples include:

• Children from multiple relationships

• Unmarried partners

• Family businesses

• Significant charitable objectives

• Unequal financial needs between beneficiaries

• International assets held across several jurisdictions

A parent may have already gifted substantial wealth to one child during their lifetime and wish to leave more to another child.

A business owner may want a single child to inherit the company.

A widow may want all assets to pass to a surviving spouse first.

Forced heirship rules can sometimes interfere with these intentions.

The Interaction with Lifetime Gifts

One common misconception is that gifts automatically avoid forced heirship.

Unfortunately, the position is often more complicated.

Many jurisdictions examine gifts made during lifetime when assessing inheritance rights and reserved portions.

In some countries, gifts can effectively be brought back into the calculation of an estate for succession purposes.

This means that making gifts without understanding local succession law can sometimes create new problems rather than solving existing ones.

This is particularly important for expatriates considering wealth transfers to children.

If this area is relevant to you, you may also wish to read our companion guide on Gift Taxes Around the World, which examines how different countries tax gifts during lifetime and how those rules interact with wider estate planning strategies.

Can Forced Heirship Be Avoided?

Sometimes.

Sometimes not.

The answer depends on:

• Your country of residence

• Your nationality

• The location of your assets

• The applicable succession laws

• Whether trusts are recognised

• The availability of international succession elections

• Existing tax treaties

• The type of assets involved

For example, some British nationals living in Spain may be able to elect for English law to apply to their succession planning.

In other situations, trusts, foundations or specialist Will structures may provide solutions.

However, every case is different.

There is rarely a one-size-fits-all answer.

The Hidden Risk for British Expats

One of the most common mistakes made by expatriates is assuming that a UK Will governs everything they own worldwide.

Unfortunately, cross-border succession is rarely that straightforward.

You may have:

• A UK pension

• A Dubai property

• A French holiday home

• Spanish investments

• Children living in different countries

Each asset may potentially be subject to different succession laws.

The result can be a patchwork of competing legal systems.

That is why international estate planning often requires coordinated advice rather than simply drafting another Will.

Final Thoughts

Forced heirship is one of the most overlooked risks in international estate planning.

For British families who have accumulated wealth across multiple countries, it can dramatically alter who inherits assets and when they inherit them.

The good news is that many issues can be addressed through careful planning.

The bad news is that the planning often needs to take place before problems arise.

If you have overseas assets, live outside the UK, own foreign property or have family members spread across different jurisdictions, it may be worth reviewing whether forced heirship rules could affect your estate.

Because when it comes to inheritance, what matters is not what you think will happen.

It is what the law says will happen.

Disclaimer: This is general information only. Tax rules, succession laws and estate planning regulations can change and vary between jurisdictions. Professional legal and tax advice should always be obtained before implementing any estate planning strategy.