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French Succession Law vs UK Inheritance Assumptions: What British Expats Must Know

British inheritance assumptions often fail in France, where forced heirship and cross-border tax rules reshape succession outcomes significantly.

Last Updated On:
March 4, 2026
About 5 min. read
Written By
Shil Shah
Group Head of Tax Planning & Private Wealth Adviser
Written By
Shil Shah
Private Wealth Adviser
Group Head of Tax Planning & Private Wealth Adviser
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French Succession Law vs UK Inheritance Assumptions: What British Expats Must Know

British expats relocating to France often assume UK testamentary freedom continues unchanged. Under UK principles, individuals can usually distribute their estate freely through a will.

French succession law operates differently. It includes forced heirship provisions that reserve part of the estate for protected heirs, typically children.

Even where UK law is elected under EU succession rules, this affects legal distribution—not necessarily taxation. French succession tax and UK inheritance tax (IHT) may both apply depending on residence history and asset location.

Cross-border estates require coordinated planning. Reviewing wills, ownership structures and residence exposure before relocation reduces the risk of unintended outcomes.

What This Article Helps You Understand

  • How French forced heirship rules operate
  • How UK testamentary freedom differs
  • When French succession law may apply
  • How EU succession regulations affect British nationals
  • Why residence status influences legal distribution
  • How French succession tax differs from UK IHT
  • When both UK and French systems may apply
  • Why pre-relocation estate review matters

Why British Inheritance Assumptions Do Not Always Travel

Under UK law, individuals generally enjoy testamentary freedom.

This means you can usually decide how your estate is distributed through your will.

French succession law operates differently.

In many cases, it includes forced heirship provisions requiring a defined portion of the estate to pass to certain heirs, typically children.

British expats relocating to France often assume their existing UK will continues to operate unchanged.

In practice, the interaction is more complex.

Forced Heirship In France

French law protects certain heirs through reserved portions of the estate.

For example:

  • Children may be entitled to a defined share
  • The proportion depends on the number of children
  • Only the remainder, known as the disposable portion, may be freely allocated

These rules can override testamentary intentions unless structured carefully.

Forced heirship operates independently from tax.

It governs legal distribution.

Succession law determines who inherits. Succession tax determines how much tax applies.

UK Testamentary Freedom

Under UK principles, individuals can generally leave assets to:

  • A spouse
  • Children
  • Other relatives
  • Friends
  • Charities

This flexibility contrasts with French forced heirship.

Where a British expat becomes resident in France, or where assets are located in France, French succession rules may apply depending on circumstances.

EU Succession Regulation And Choice Of Law

Under EU succession regulations, individuals may in some cases elect for the law of their nationality to govern succession.

For British nationals residing in France, this may allow election of UK law to apply to the estate.

However:

  • The election must be structured correctly
  • It affects legal distribution, not necessarily taxation
  • Succession tax may still apply in France

Choice of law requires deliberate planning rather than assumption.

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Residence And Asset Location

Succession outcomes depend on multiple factors:

  • Country of residence at death
  • Location of assets
  • Nationality
  • Ownership structure
  • Treaty provisions

French property may trigger French succession rules.

UK property may remain subject to UK law.

Cross-border estates require coordinated analysis.

French Succession Tax

France imposes succession tax based on:

  • Relationship between deceased and heir
  • Value of inheritance
  • Applicable allowances

Rates can be progressive and differ from UK inheritance tax rates.

Unlike the UK, where spousal transfers are generally exempt, French rules operate differently depending on relationship and residence.

Tax exposure and legal distribution must be reviewed separately.

Interaction With UK Inheritance Tax

Short-term absence from the UK does not automatically remove UK IHT exposure.

Residence history and legislative thresholds may still bring worldwide assets into UK scope.

It is therefore possible for:

  • French succession law to govern distribution
  • French succession tax to apply
  • UK inheritance tax to remain relevant

Coordination between systems is essential.

Cross-border estates can face overlapping legal and tax frameworks if not structured deliberately.

Common Misunderstandings

British expats often assume:

  • A UK will overrides French rules
  • French law applies only to French citizens
  • Tax and legal inheritance are the same issue
  • Short absence eliminates UK exposure

These assumptions can create structural conflict.

Succession law and tax must be analysed together.

Practical Estate Review Framework

Before or shortly after relocating to France, review should include:

  • Existing UK wills
  • Choice-of-law elections
  • Asset ownership structure
  • French property holdings
  • Residence history
  • UK IHT exposure
  • Beneficiary residence status

Estate planning must reflect current and potential future residence.

Behavioural Drivers

Estate planning is often postponed during relocation because:

  • It feels non-urgent
  • It feels complex
  • It feels stable

However, forced heirship rules apply automatically.

Planning while healthy and mobile is more effective than reacting later.

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Why Correction Later Is Difficult

Once death occurs:

  • Legal distribution rules apply
  • Succession tax liabilities arise
  • Family disputes may follow

Correcting misalignment after the event is impossible.

Sequencing before relocation preserves clarity.

Conclusion

French succession law differs materially from UK inheritance assumptions.

Forced heirship provisions may override testamentary freedom unless structured properly.

Residence and asset location influence which rules apply.

Succession law and succession tax are separate but overlapping frameworks.

British expats relocating to France should review:

  • Legal distribution intentions
  • Choice-of-law elections
  • Cross-border tax exposure
  • UK IHT interaction

Relocation changes not only tax exposure, but legal inheritance rights.

Early coordination protects family outcomes.

Key Points To Remember

  • France applies forced heirship in many cases
  • UK wills may not function as expected in France
  • Residence and asset location both matter
  • Succession law and succession tax are separate issues
  • EU rules allow limited choice of law elections
  • UK IHT may still apply after relocation
  • Cross-border estates require coordination
  • Planning before relocation preserves flexibility

FAQs

Does my UK will automatically apply in France?
What is forced heirship in France?
Can I elect UK law instead of French law?
Can both UK inheritance tax and French succession tax apply?
Should estate planning be reviewed before relocating to France?
Written By
Shil Shah
Private Wealth Adviser
Group Head of Tax Planning & Private Wealth Adviser

Shil Shah is Skybound Wealth’s Group Head of Tax Planning and a Private Wealth Adviser, based in London. He works with clients who live global lives, executives, entrepreneurs, families and professionals who want clear, confident guidance on their wealth, their tax position and the decisions that shape their future.

Disclosure

This article is provided for general informational purposes only and does not constitute legal, tax or financial advice. Succession outcomes depend on residence status, asset location, legislation in force and individual circumstances. Professional advice should be sought before acting.

Relocating To France? Review Your Estate Structure

A structured review can align your will and estate structure with French succession rules.

In a focused session, we can:

  • Assess forced heirship implications
  • Review choice-of-law considerations
  • Evaluate UK IHT interaction
  • Analyse asset location and ownership
  • Coordinate succession and tax planning

Estate clarity reduces family uncertainty later.

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Relocating To France? Review Your Estate Structure

A structured review can align your will and estate structure with French succession rules.

In a focused session, we can:

  • Assess forced heirship implications
  • Review choice-of-law considerations
  • Evaluate UK IHT interaction
  • Analyse asset location and ownership
  • Coordinate succession and tax planning

Estate clarity reduces family uncertainty later.

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