This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Comprehensive guide on how to challenge a will with overseas assets in England and Wales. Learn about international probate procedures, legal grounds for challenge, cross‑border succession issues, time limits, tax and inheritance rules, and practical steps to protect your rights in complex estate disputes.
Where a deceased person owned assets outside England and Wales - such as property, bank accounts, investments or business interests - the estate is a cross‑border estate. In such cases, challenging a will can be more complex than disputes involving purely domestic assets. Different countries apply their own succession, probate and inheritance laws, and overseas assets may not automatically be dealt with by English probate courts or by the terms of an English will without additional legal steps. This guide explains the key legal principles, practical steps and procedural issues for challenging a will that includes overseas assets under the law of England and Wales, as well as how international estate administration affects rights, time limits and risks.
How Overseas Assets Are Treated in Probate
Executors and beneficiaries need to understand that a Grant of Probate issued by the courts in England and Wales may not have legal effect abroad. Many foreign jurisdictions do not automatically recognise an English grant, and the executor may have to obtain a separate grant or equivalent authority in each country where assets are held before they can be accessed or distributed. This often involves resealing the UK grant or initiating a parallel foreign probate process under local law. Some countries with legal systems similar to the UK, such as Commonwealth jurisdictions, may allow resealing; others require a full foreign process.
In addition to procedural differences, many countries' succession laws may override the terms of a UK will, particularly where forced heirship rules apply (e.g., in parts of Europe and certain civil law jurisdictions) that automatically allocate portions of the estate to specified heirs. This can create significant difficulties in enforcing the deceased's intentions as expressed in the will.
Legal Grounds for Challenging a Will With Overseas Assets
Challenging a will in this context usually involves one or more recognised legal grounds under English law in England and Wales:
1. Lack of Valid Execution
If the will does not comply with the formal requirements of the Wills Act 1837 - for example, if it was not properly signed and witnessed - it may be invalid. This issue remains relevant even where foreign assets are concerned, though local laws may also have their own formal requirements. A will challenged for lack of valid execution must demonstrate that legal formalities were not met at the time of signing.
2. Lack of Testamentary Capacity or Knowledge and Approval
A will can be challenged on the basis that the testator lacked mental capacity or did not understand or approve the contents of the will at the time it was made. This applies equally to assets located in the UK and overseas, but may require additional evidence if foreign elements complicate the testator's intentions.
3. Undue Influence or Fraud
Claims that a will was the result of undue influence, coercion, fraud or forgery are possible. In an international context, evidence gathering may be more complex if witnesses or relevant records are overseas. However, the same substantive legal tests and standards of proof apply.
4. Inheritance (Provision for Family and Dependants) Act 1975
In many cases involving cross‑border estates, challenge claims are not about invalidating the will altogether but rather about inadequate provision for eligible claimants. Under the Inheritance Act 1975, certain people - including spouses, children and dependants - may apply for “reasonable financial provision” from the estate where the will (or intestacy) does not provide adequately. This claim is made to the courts in England and Wales, and the existence of overseas assets can affect the estate's value and the assessment of reasonable provision.
Rights of Beneficiaries and Interested Parties
To challenge a will, a person must have a sufficient interest in the estate. Typically eligible claimants include:
- Beneficiaries under the will.
- Persons who would inherit under intestacy if the will were invalid.
- Eligible relatives or dependants under the Inheritance Act 1975.
- Persons asserting legal or equitable interests in specific overseas assets (for example where foreign trust rules apply).
Where beneficiaries live abroad, they retain their rights to information and participation in disputes but may face additional practical steps to ensure communication and evidence exchange across jurisdictions. Executors owe fiduciary duties to all beneficiaries, including those abroad, and must provide transparent accounting and updates to prevent disputes.
Step‑by‑Step: Challenging a Will With Overseas Assets
1. Obtain Official Probate Documents
First, obtain a copy of the will and any related grant of probate or letters of administration from the Probate Registry in England and Wales. Understanding exactly what is contained in the will, and where assets are located, is essential.
2. Engage Specialist Legal Advice
Cross‑border disputes involve international succession laws, local probate procedures and potential tax issues. Advisers with expertise in international estate administration can help interpret foreign succession laws, determine whether a separate foreign grant is needed, and coordinate claims across jurisdictions.
3. Assess Jurisdictional and Local Law Requirements
Determine the legal rules that apply to assets abroad:
- Does the foreign country recognise the English will?
- Are forced heirship rules or other local succession laws applicable?
- Does a separate grant or resealing of the UK grant need to be obtained?
- Are there specific probate requirements, translations, notarisation or apostille formalities?
Each jurisdiction's law may affect whether the will's provisions can be enforced as intended.
4. Gather Evidence for Your Claim
Evidence is critical in all will challenges but especially in cross‑border contexts. Relevant material may include:
- Medical records or expert reports (for capacity claims).
- Correspondence about the will's creation or revisions.
- Evidence that foreign succession rules conflict with the will's terms.
- Documents showing the whereabouts and value of overseas assets.
Where evidence is abroad, you may need local legal assistance to obtain authenticated records or translations.
5. Lodge a Caveat to Protect Your Position
If probate has not yet been granted in England and Wales, you may consider placing a caveat with the Probate Registry. A caveat prevents a grant from being issued for six months and gives time to prepare your challenge without the estate being distributed. If probate has already been granted, early action is still essential to prevent irrevocable distribution or loss of assets.
6. Issue Court Proceedings
If evidence supports your claim and negotiated settlement fails, a claim may be issued in the civil courts of England and Wales. How and where proceedings are issued depends on the claim type (for example, an Inheritance Act claim versus a validity challenge). Consideration may also be given to whether related claims need to be issued in any foreign jurisdiction if local probate or succession procedures are implicated.
7. Use Alternative Dispute Resolution
Dispute resolution services such as mediation or arbitration may reduce cost and delay compared with full litigation. Courts often encourage mediation, especially in complex or international estates.
Time Limits and Practical Issues
There are important time limits and procedural considerations to bear in mind:
- Inheritance Act claims usually must be issued within six months of the grant of probate, although courts can extend this in exceptional circumstances.
- There is no statutory time limit for validity challenges, but delay can weaken evidence and make recovery of overseas assets more difficult.
- Foreign jurisdictions may have strict probate or inheritance deadlines that affect how quickly a challenge must be brought in that country.
Practical issues can include translation costs, legal fees in more than one jurisdiction, foreign tax liabilities, and differences in how heirs and estates are treated. These factors increase the complexity of challenges involving overseas assets compared with purely domestic disputes.
Tax and Succession Considerations
Owning overseas assets can affect how a will challenge proceeds in practice:
- UK inheritance tax obligations on foreign assets may arise if the deceased was domiciled or treated as a UK resident for tax purposes.
- Foreign jurisdictions may impose their own estate taxes or succession levies, potentially leading to double taxation if treaties or reliefs do not apply.
- Forced heirship rules in some countries may override provisions of an English will as regards foreign assets, requiring negotiation or legal challenge under both sets of laws.
These tax and succession issues can intersect with challenges to a will's validity or claims for provision, and are best navigated with specialist advice.
Risks, Costs and Common Challenges
Challenging a will with overseas assets is more expensive and time‑consuming than a purely domestic challenge. Costs may include solicitors, foreign counsel, expert reports, translation fees, and foreign court fees. Delay, lack of evidence, jurisdictional conflicts and differing legal principles can all increase risk. Beneficiaries and claimants should assess early whether their claim is plausible and cost‑effective.
Common Questions from our Readers
Can a UK beneficiary challenge a will that deals only with overseas assets?
Yes. If the will was made in England and Wales and assets are subject to UK probate law for any element of the estate, beneficiaries can pursue a challenge here, even if they or the assets are abroad. However, local law may govern those foreign assets too.
Do foreign succession laws override English wills?
Sometimes yes. Laws such as forced heirship in certain civil law countries may require distribution to specific heirs regardless of the terms of an English will, and local probate procedures may apply.
Do I need separate wills for UK and foreign assets?
A single will can cover worldwide assets, but many advisers recommend separate, carefully coordinated wills for each jurisdiction to avoid conflicts or unintended revocation. This requires careful drafting with non‑revocation and jurisdiction clauses.
Key Takeaways
Challenging a will that includes overseas assets in England and Wales involves both domestic legal principles and the interaction with foreign probate and succession laws. Beneficiaries and executors must navigate multiple jurisdictions' requirements, obtain appropriate legal authority in each country where assets are held, and address issues such as forced heirship, double taxation and recognition of UK probate documents abroad. Early legal advice, careful evidence gathering, timely procedural steps like caveats, and cooperation with local solicitors are critical to protect your rights and achieve an effective resolution in complex cross‑border estate disputes.
