How to Challenge a Will With Conflicting Trusts

Disputes over wills and trusts can be among the most legally complex and emotionally charged areas of inheritance law in England and Wales. A situation where a will contains trust provisions that clash with other trusts, or where separate trusts intersect with a will's terms, can give rise to significant legal uncertainty. These conflicts may affect how estate assets are managed, who ultimately benefits, and whether the deceased's intentions are properly carried out. Resolving such disputes often involves a mix of probate law, trust law, and equitable principles applied by the courts. This article explains when and how a will can be challenged because of conflicting trusts, what legal options are available, and what practical steps a claimant should consider.

What Are “Conflicting Trusts”?

A trust is a legal arrangement in which assets are held by one party (the trustee) for the benefit of others (the beneficiaries). Trusts are commonly used in estate planning and may be created inside a will (will trusts) or outside a will during a person's lifetime. Conflicts arise when:

• Trust provisions written into a will appear to contradict each other;
• A will's trust terms appear inconsistent with an existing trust established by the deceased separately;
• Trust terms are unclear or ambiguous, leading trustees and beneficiaries to disagree about their meaning;
• Trustees and beneficiaries interpret overlapping provisions differently, or two trusts compete for the same assets.

In some situations, these conflicts may require legal resolution to ensure that trust assets are distributed in accordance with legal and equitable principles rather than leaving beneficiaries in uncertainty or disadvantage. Disputes involving wills and trusts commonly fall under the broader category of contentious probate and trust litigation.

Why Conflicts Between Wills and Trusts Matter

1. Interpretation and Certainty

A will may contain trust clauses that are unclear or conflicting. For example, a will trust may instruct trustees to apply income to one class of beneficiaries, while another clause appears to restrict that power or offer contradictory instructions. Without clear interpretation, trustees cannot administer the trust with confidence, and beneficiaries may receive less than expected. The courts can be asked to interpret the terms of the trust and resolve semantic or structural inconsistencies.

2. Validity or Construction Challenges

If a trust within a will contradicts other express trusts established by the deceased (for example, lifetime trusts or trusts under a previous will), beneficiaries may argue that the later trust should be set aside or that a court should determine which trust applies to specific assets. In some cases, a conflict may be so fundamental that it casts doubt on the validity or enforceability of trust terms or even parts of the will.

3. Trustee and Beneficiary Disputes

Conflicting trusts often lead to disputes between trustees and beneficiaries or among beneficiaries themselves. Beneficiaries may believe trustees are favouring some interests over others, or trustees may be accused of misinterpreting their duties. Resolutions may require court guidance on interpretation or removal and replacement of trustees.

Legal Principles Relevant to Conflicting Trusts

Trust Interpretation

Where trust provisions are unclear or seemingly contradictory, the court applies well‑established principles of legal interpretation. The wording of the trust instrument is examined in context, considering the overall scheme of the estate and the deceased's intentions. Technical principles of trust construction may be applied to reconcile conflicting terms where possible.

Trust vs Will Provisions

If a trust created during the deceased's lifetime covers assets that are later addressed differently in a will, courts may prioritise the express terms of the trust over those of the will for that trust property. Trusts operate outside of probate in many cases and are governed by their own terms and legal obligations owed by trustees. In contrast, will terms only take effect after a testator's death and after probate.

Court Variation of Trusts

The Variation of Trusts Act 1958 gives courts broad discretion to approve changes to trust arrangements in the interests of beneficiaries, particularly where there is a genuine dispute or need to adjust terms for fairness or practicality. This process may indirectly resolve conflicts between a will and trust by adapting trust terms under court supervision.

Step‑by‑Step: Challenging a Will With Conflicting Trusts

The process for challenging a will or seeking resolution of conflicting trusts involves several structured steps:

1. Clarify the Nature of the Conflict

Carefully examine:

• The terms of the will and any trust provisions it contains;
• Existing trust instruments created outside the will;
• Evidence of how the deceased intended trust and will terms to operate together;
• Correspondence, letters of wishes, and professional advice documents relating to the estate.

This initial assessment helps identify whether the conflict is textual, practical, or arises from overlapping asset directions.

2. Seek Professional Legal Advice

Given the complexity of trust and probate law, consulting a solicitor experienced in contentious wills and trust disputes is essential. Such a specialist can:

• Advise on the strengths of a trust interpretation or validity challenge;
• Help gather and analyse relevant documents and evidence;
• Clarify whether the dispute is best resolved through negotiation, mediation, or court proceedings. Experts in this field are routinely instructed in cases where trust provisions appear to conflict.

3. Engage with Trustees and Beneficiaries

Before initiating court action, attempt to resolve misunderstandings or disagreements through informal negotiation, mediation, or other forms of alternative dispute resolution (ADR). Discussing trust terms with trustees and other beneficiaries often clarifies intentions and may avoid costly litigation.

4. Pre‑Action Correspondence

Solicitors typically send pre‑action correspondence to establish each party's position, outline the disputed provisions, and identify areas of agreement and contention. This correspondence forms part of the preparation for litigation and encourages early settlement where possible.

5. Issue Court Proceedings

If resolution is not achieved, a formal claim can be issued in the Chancery Division of the High Court or the appropriate county court, depending on the value and complexity of the dispute. The court will assess:

• The wording and legal effect of the will and trusts;
• The deceased's intentions as evidenced by documentation and admissible extrinsic evidence;
• Whether any trust terms are invalid due to improper execution, lack of capacity, undue influence, or other legal defects;
• Any claims for variation under the Variation of Trusts Act 1958 where appropriate.

Court remedies can include declarations as to the interpretation of conflicting provisions, orders directing trustees on administration, and, where necessary, variation of trust terms to achieve a just outcome.

Time Limits and Procedural Considerations

Unlike claims under the Inheritance (Provision for Family and Dependants) Act 1975, which have a strict six‑month deadline from the Grant of Probate, trust dispute claims have no universal statutory time limit. However, delay can prejudice evidence and practical enforcement of orders, so early action is advisable. Entering a caveat at the Probate Registry can prevent a grant of probate and allow time to prepare a dispute if probate has not yet been granted.

Risks and Practical Challenges

Challenging a will and associated trusts is often complex:

• Evidential complexity: Demonstrating conflicting intentions requires careful evidence assembly and interpretation.
• Costs: Expert evidence and litigation can be expensive.
• Emotional strain: Family tensions often accompany these disputes.
• Trustee duties: Trustees must remain neutral and may require separate legal advice if personally implicated.

Early legal advice can help manage these challenges and identify whether negotiation, mediation, or court action is most appropriate.

Common Questions

Can a will trust be varied to resolve a conflict?
Yes. Under the Variation of Trusts Act 1958, the court can approve variations to trust terms beneficial to certain persons or to resolve disputes, where justice and fairness require it.

What happens if a trust term contradicts a will's instruction?
Which document governs depends on timing, clarity, and legal validity. Trust instruments created during life typically prevail for trust assets, while will provisions govern probate assets unless they directly conflict and are ambiguous. Courts may interpret or reconcile terms by examining intentions and legal effect.

Do I need a solicitor?
Given the legal and evidential complexity of resolving conflicting trusts and wills, specialist legal advice is strongly recommended.

Key Takeaways

Challenging a will because of conflicting trusts involves navigating both probate and trust law. Conflicts can arise when will‑based trust provisions clash with each other or with existing trusts created during the deceased's lifetime. Resolution may involve negotiation, trust interpretation, court action, or variation under statutory powers such as the Variation of Trusts Act 1958.

Success depends on careful analysis of documentation, gathering robust evidence, and understanding relevant legal principles. Early professional advice and structured procedural steps can protect beneficiaries' interests and help ensure assets are distributed in line with legal and equitable standards.