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Yes. Under section 18(1)(i) of the Mental Capacity Act 2005, the Court of Protection has the power to authorise a statutory will to be executed on behalf of a person who lacks the mental capacity to make a will themselves. The court makes the decision in the person’s best interests, taking into account their known values, beliefs, and relationships. Applications are expensive and complex, typically costing £5,000–£15,000 in legal fees.
When a person develops dementia, suffers a severe brain injury, or has a learning disability that prevents them from understanding the nature of a will, they may lack the mental capacity to make or update their own will. If they die without a valid will, their estate passes under the intestacy rules, which may produce a result the person would never have wanted. The Court of Protection can intervene — but the process is not straightforward.
The Court of Protection derives its power to authorise a statutory will from section 18(1)(i) of the Mental Capacity Act 2005. This section gives the court authority to make decisions about a “protected person’s” property and affairs when they lack the capacity to make those decisions themselves.
The Mental Capacity Act 2005 defines mental capacity in relation to specific decisions at specific times. A person lacks capacity for a particular decision if, due to an impairment or disturbance in the functioning of their mind or brain, they cannot:
The capacity test for making a will — sometimes called testamentary capacity — has additional requirements established by case law (Banks v Goodfellow [1870]). A person making a will must understand the nature of the act of making a will, the extent of the property they are disposing of, the claims of those who might expect to benefit, and not suffer from a disorder of the mind that poisons their affections or perverts their sense of right. The Court of Protection applies a functional rather than diagnostic approach — a diagnosis of dementia does not automatically mean a person lacks capacity.
Not every person who lacks testamentary capacity needs a statutory will. The Court of Protection will generally consider an application appropriate where:
The “best interests” test — not substituted judgment
The court does not ask “what would this person have wanted?” and simply implement the answer. Under the Mental Capacity Act 2005, the court applies a “best interests” test — a broader assessment that takes into account the person’s past and present wishes, their beliefs and values, the views of family and carers, and any other relevant circumstances. The resulting will is the court’s best assessment of what is in the protected person’s overall best interests, not simply what they would have chosen.
An application for a statutory will is made to the Court of Protection. The key steps are:
All people with a relevant interest — typically family members, close friends, and any professional deputies or attorneys — must be notified of the application and given an opportunity to respond. The Official Solicitor is usually notified as a matter of course and will consider whether to become involved.
The Official Solicitor is an independent statutory officer of the court. In Court of Protection proceedings, the Official Solicitor may be appointed to act as the litigation friend of the protected person (P) — meaning they represent P’s interests in the proceedings, independently of all the other parties.
The Official Solicitor is typically appointed as litigation friend where:
The Official Solicitor does not act for free — their costs are charged to the estate. However, their involvement provides independent scrutiny of the application and is a safeguard against family members promoting a will that serves their own interests rather than P’s.
Court of Protection proceedings for a statutory will are expensive. Realistic cost expectations are:
In most cases, the costs are paid from the protected person’s own estate, as the application is for their benefit. However, if an application is made primarily in the interests of beneficiaries rather than P, the court may order a different costs arrangement. Legal costs in contested cases can be significantly higher — sometimes £20,000–£50,000 where there is a full hearing.
Given these costs, it is essential to take legal advice at the outset to assess whether an application is proportionate and likely to succeed. A solicitor experienced in Court of Protection work — ideally a member of Solicitors for the Elderly or the Court of Protection Practitioners Association (CoPPA) — should be your first point of contact.
Act before capacity is entirely lost
If a person is in the early stages of a condition that affects mental capacity — such as early-stage dementia — they may still have testamentary capacity to make a valid will themselves, provided they have a good day and the will is executed carefully with medical evidence of capacity obtained at the time. This is almost always cheaper, faster, and less invasive than a statutory will application. If a family member is in this position, seeking specialist legal advice promptly is strongly recommended. A statutory will application should be a last resort, not the first response to a capacity concern.
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