How to Challenge a Will With Investment Accounts

Investment accounts can form a significant part of a deceased person's estate. These may include stocks and shares ISAs, investment portfolios, unit trusts, bonds, and other financial investments. When people die, these accounts are normally dealt with through probate and distributed according to the terms of a valid will. Disputes can arise where someone believes the will is invalid, was improperly prepared, or fails to make reasonable provision for eligible dependants. This article explains how investment accounts are handled in estates, the legal bases on which a will can be challenged, the procedural steps involved, applicable time limits, and practical considerations for those pursuing or facing a challenge in England and Wales.

How Investment Accounts Are Treated in an Estate

Investment accounts, including stocks and shares ISAs and other investment portfolios, become part of a deceased person's estate for the purposes of probate and inheritance tax. Providers generally freeze accounts once they are notified of the death and require a Grant of Probate or equivalent authority before they can distribute or sell the investments on behalf of the estate. Executors value these assets at the date of death for tax and distribution purposes. ISAs retain tax benefits for a defined period after death (typically up to three years), and for spouses or civil partners there is an Additional Permitted Subscription allowing transfer of ISA value into their own ISA under specific conditions.

All investment accounts forming part of the estate are included in the overall estate valuation. The value is subject to inheritance tax if the estate exceeds the nil‑rate band (commonly £325,000, with potential residence nil‑rate bands and other allowances). Tax considerations are separate from the legal process of challenging a will but are part of overall estate administration.

Legal Grounds for Challenging a Will Involving Investment Accounts

A will can be challenged in England and Wales only on recognised legal bases. Mere dissatisfaction with an inheritance, including investment accounts, is not sufficient without valid grounds. Established grounds include:

1. Invalid Execution

The will must comply with strict formal requirements under the Wills Act 1837 (for example, the testator's signature and two independent witnesses). Failure to meet these requirements can render the will invalid.

2. Lack of Testamentary Capacity

To make a valid will, the testator must understand the nature of making a will, the extent of their assets (including investment accounts), and the implications of their decisions. If medical or other evidence shows the testator lacked capacity when the will was made, the document may be invalid.

3. Undue Influence

A will made under pressure, coercion, or manipulative influence may not reflect the genuine intentions of the deceased and can be challenged.

4. Knowledge and Approval

The testator must approve the contents of their will. If they did not fully understand or agree to provisions (for example, how investment accounts are distributed), this can be a basis for challenge.

5. Fraud or Forgery

If a will has been forged or altered fraudulently, it is invalid and can be set aside.

6. Failure to Make Reasonable Provision

Under the Inheritance (Provision for Family and Dependants) Act 1975, certain individuals may claim that the will fails to provide reasonable financial provision from the estate. This is not a challenge to validity but a statutory claim for provision. Eligible claimants include spouses, civil partners, children, and others who were financially dependent on the deceased.

Practical Steps to Challenge a Will Involving Investment Accounts

Step 1: Check Your Legal Standing

You must have sufficient interest in the estate. This generally means you are a potential beneficiary under the will or intestacy rules, or otherwise fall into a category eligible under the 1975 Act.

Step 2: Seek Specialist Legal Advice

Contested probate and estate claims involving investments can be complex. Early legal advice helps clarify grounds, procedural requirements, and timeline considerations.

Step 3: Preserve Your Position with a Caveat

If probate has not been granted, you can lodge a caveat with the Probate Registry to prevent a Grant of Probate for up to six months. A caveat gives time to prepare your claim and can be extended if necessary.

Step 4: Gather Evidence

Collect all relevant evidence supporting your claim. For investment accounts, this might include statements showing the value and ownership of investments, correspondence about expected bequests, evidence of mental capacity records, or communication indicating undue influence.

Step 5: Attempt Resolution Before Court

Alternative dispute resolution, such as mediation, can resolve disputes without formal litigation.

Step 6: Issue Court Proceedings

If resolution fails, your solicitor can issue proceedings in the appropriate court. Claims under the 1975 Act or for rectification are usually commenced in the Family Division of the High Court or appropriate civil court.

Time Limits to Bear in Mind

Time limits vary depending on the basis of the challenge:

• Inheritance Act Claims: These generally must be issued within six months of the Grant of Probate or Letters of Administration. Courts have limited discretion to extend this period in exceptional cases.
• Rectification claims: These also typically have a six‑month limit from probate.
• Challenges to validity (capacity, undue influence, fraud): There is no strict statutory deadline, but prompt action is crucial. Delays can make evidence harder to obtain and may weaken a claim.

Risks and Practical Considerations

Challenging a will is costly and time‑consuming. There is a risk that legal costs may be awarded against an unsuccessful claimant. Claimants should weigh the value of the investment accounts against potential legal fees and consider the emotional and financial implications.

Executors have obligations to manage and distribute investment accounts in accordance with probate law and any valid will. Disputes can delay distribution and create additional costs.

Investment accounts often fluctuate in value between the date of death and distribution. Valuations must accurately reflect the date of death for tax and distribution purposes, and evidence of valuations may be required in disputes.

Common Questions from our Readers

Do investment accounts always form part of a contested will claim?
Yes, unless they fall outside the estate for probate purposes. Jointly held investments may pass automatically to a co‑owner and not pass through probate, which can affect how (or whether) they can be contested.

Can a will be contested after investment accounts have been distributed?
Technically challenges can proceed after distribution, but it becomes more difficult and costly to recover assets once they have been transferred. Prompt action before distribution is strongly advisable.

Key Takeaways

Challenging a will involving investment accounts in England and Wales requires established legal grounds such as lack of capacity, undue influence, improper execution, fraud, or a statutory claim under the Inheritance (Provision for Family and Dependants) Act 1975. Investment accounts, including ISAs and other financial portfolios, form part of the estate and are handled through probate, requiring valuation and appropriate documentation. Procedural steps include assessing legal standing, preserving your position with a caveat, gathering evidence, and potentially issuing court proceedings. Time limits apply, particularly for Inheritance Act and rectification claims, and prompt action maximises your prospects. Investors and beneficiaries should seek specialist legal advice early to navigate complexities and protect their interests effectively.

James William Steven Parker

James is the founder of UKLegalGuides.com and a former agent at the Ministry of Justice (UK). With a background in processing legal claims, he launched this platform to make the laws of England and Wales accessible to everyone.