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.
A detailed guide to resolving disputes over inheritance shares in England and Wales, explaining legal rights, Inheritance Act claims (1975), challenging wills, alternative dispute resolution, court procedures, time limits, and practical steps for disputing or defending estate distribution.

Disagreements about how a deceased person's estate is divided are a frequent source of conflict in probate matters. These disputes commonly arise when beneficiaries feel they have not received what they believe they are legally entitled to under a will, when an estate is administered without a will (intestacy), or when the provisions made for a family member or dependant are perceived as inadequate. Understanding the legal options and procedural steps available to address these disputes is essential for beneficiaries, executors, personal representatives, and advisers involved in estate administration in England and Wales.
This article explains the legal frameworks for resolving inheritance share disputes, the rights of potential claimants, practical dispute resolution options (including alternative dispute resolution and litigation), key time limits, and points to consider when navigating these matters.
What Causes Inheritance Share Disputes?
Inheritance share disputes can arise in various scenarios, including:
- Insufficient provision in a will. A beneficiary or dependant believes the will does not make reasonable financial provision for them.
- No will (intestacy). The estate is distributed under statutory intestacy rules, which may exclude certain family members or dependants.
- Contesting the validity of a will. There are grounds to challenge the will itself on legal bases such as lack of capacity, undue influence, or improper execution.
- Beneficial interest claims. A claimant asserts a proprietary interest or equitable right in specific assets, separate from statutory inheritance rights.
Resolving these disputes often involves negotiating settlements, exploring alternative dispute resolution processes such as mediation, or pursuing formal court proceedings.
Claims Under the Inheritance (Provision for Family and Dependants) Act 1975
One of the principal legal avenues for redistributing inheritance shares is a claim under the Inheritance (Provision for Family and Dependants) Act 1975 (“the Inheritance Act”). This UK statute allows certain individuals to ask the courts to vary the distribution of an estate when the existing provisions are considered unreasonable in all the circumstances.
Who Can Make an Inheritance Act Claim?
Under the 1975 Act, specific categories of people may be eligible to bring a claim, including:
- Spouses and civil partners of the deceased.
- Former spouses or civil partners who have not remarried.
- Children of the deceased, including adopted children.
- Individuals treated as a child of the family.
- Cohabiting partners who lived with the deceased as if they were spouses for a qualifying period (which case law and guidance indicate is typically at least two years).
- Persons financially maintained by the deceased.
Eligibility depends on the claimant's relationship with the deceased and their financial dependency or needs.
What the Court Can Do
If the court determines that reasonable financial provision has not been made for the claimant, it may:
- Order a lump sum provision from the estate.
- Direct ongoing periodic payments.
- Transfer specific property or assets from the estate to the claimant.
The nature and amount of provision are at the court's discretion and must be reasonable when considering the claimant's financial needs, the size of the estate, obligations to other beneficiaries, and the intentions of the deceased.
Time Limits
A claim under the Inheritance Act generally must be issued within six months of the date a Grant of Probate or Letters of Administration is granted. In some circumstances a court may allow claims outside this period, but strict rules apply, and it is crucial to act promptly.
Contesting the Validity of a Will
Separately from claims for financial provision, a will can be challenged on legal grounds if:
- The testator lacked testamentary capacity when making the will.
- There was undue influence or coercion at the time of execution.
- The will was forged, fraudulent, or failed to comply with the formal requirements of the Wills Act 1837.
If a challenge succeeds, the will may be declared invalid in whole or in part, affecting how the estate is administered or invoking intestacy rules. Disputes over validity are usually resolved through contentious probate litigation in the courts.
Alternative Dispute Resolution (ADR)
Litigation in disputes over inheritance shares can be costly, time‑consuming, and stressful for all parties. As a result, many estate disputes are resolved through alternative dispute resolution (ADR) before or during court proceedings. Common ADR methods include:
Mediation
Mediation involves a neutral third party (the mediator) who helps the disputing parties negotiate and reach a mutually acceptable agreement. Mediation can be significantly more cost‑effective and quicker than court action. Successful mediation can result in a binding settlement on how inheritance shares should be adjusted.
Negotiation and Conciliation
Parties, often through their solicitors, can engage in negotiation or conciliation without a formal mediator. These discussions, sometimes conducted “without prejudice,” allow beneficiaries and personal representatives to explore compromise positions and avoid litigation.
ADR can be especially useful where relationships between family members are strained, or where there is a desire to preserve privacy and reduce emotional stress.
Litigation: Courts and Procedures
If ADR does not resolve the dispute, formal court proceedings may be necessary. Key points about litigation in inheritance disputes include:
- Initiating a claim: Proceedings under the Inheritance Act or contested probate claims are issued in the civil courts (typically the High Court or County Court) depending on complexity and value.
- Evidence and costs: Claimants must present evidence supporting their basis for a claim. Litigation can involve expert reports, witness statements, and detailed financial information. Costs can be significant, and often each party bears their own costs unless the court orders otherwise.
- Judicial discretion: Courts have wide discretion in setting inheritance awards, considering factors such as financial needs, conduct of parties, size of the estate, and obligations to other beneficiaries.
Seeking specialist legal advice early can help clarify prospects and procedural requirements in contentious cases.
Practical Considerations and Risks
Communication and Early Resolution
Open communication between beneficiaries, executors, and personal representatives can sometimes resolve perceived unfairness before formal claims are made. Early discussion of concerns and potential compromises may prevent disputes escalating to litigation.
Professional Advice and Costs
Inheritance disputes involve complex legal principles and procedural rules. Professional advice from solicitors experienced in contentious probate and Inheritance Act claims can guide parties through eligibility, evidence, likely outcomes, and funding options. Litigation costs can escalate, and parties should consider risk management and early settlement possibilities.
Impact on Estate Administration
Inheritance disputes can delay estate administration and distribution. Beneficiaries, executors, and personal representatives should be aware of how ongoing claims or litigation might affect timelines and financial planning for the estate.
Common Questions
Can unmarried partners inherit automatically?
No. Unmarried partners do not have automatic rights under intestacy rules. A claim under the Inheritance Act may be possible if the partner meets dependency or cohabitation criteria, but there is no automatic entitlement without qualifying factors.
Can a beneficiary be forced to accept a settlement?
Courts may endorse a settlement reached by mediation or negotiation, but parties are not compelled to accept offers. Ultimately, judicial decisions on inheritance claims are binding and enforceable once made.
What happens if a will is successfully contested and no valid will remains?
If a will is declared invalid, the estate is administered under statutory intestacy rules unless a later valid will exists. Intestacy rules specify how assets are distributed among surviving relatives, which can substantially alter intended shares.
Key Takeaways
Resolving disputes over inheritance shares in England and Wales involves understanding statutory rights, legal procedures, and practical dispute resolution options. The Inheritance (Provision for Family and Dependants) Act 1975 provides a route to seek financial provision where a will or intestacy does not make reasonable provision. Disputes may also involve challenges to the validity of a will, or equitable claims like beneficial interests. Alternative dispute resolution mechanisms such as mediation and negotiation can offer cost‑effective means to resolve conflicts, while court proceedings remain an essential mechanism when consensus cannot be reached. Timely action, accurate evidence, and professional guidance are key to navigating these sensitive and legally complex disputes effectively.