Can a Will be challenged due to dementia or Alzheimer’s? Understanding the legal position

A guide to testamentary capacity, common grounds for challenge and the factors that can influence the validity of a Will.
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Based at 1 City Square, our nationally-recognised contentious probate team serves the city of Leeds, the surrounding towns and villages and the wider Yorkshire region.
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Contentious probate is a unique area of law. Our Leeds-based solicitors work solely in this field, enabling us to offer the very highest standard of practical advice. We bring decades of experience in resolving all types of inheritance disputes involving Wills, estates and trusts.
While contentious probate issues can be challenging and emotionally fraught, your life will be made easier by having the right legal expertise on your side. We’ll work closely with you to develop a bespoke strategy for resolving your inheritance dispute quickly, efficiently and sensitively.
We have particular expertise in handling complex cases on behalf of high-net-worth individuals, including those involving large estates.
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Having the best legal expertise in your corner can be invaluable peace of mind — especially in matters relating to contentious probate, which can be incredibly difficult to navigate.
We're one of the largest law firms in the North, with over 500 experts ready to serve you. As well as contentious probate, we offer the full range of legal services for individuals and businesses.
Backed by over 200 years of experience, we’ve been acknowledged in The Legal 500’s 2025 Top Tier and Hall of Fame, commended by peers in The Times Best Law Firms and recognised as the Best Law Firm to Work For in Yorkshire and the Humber by Best Companies. Our team was proud to win Dispute Resolution Firm of the Year at The Legal 500 Northern Powerhouse Awards 2026.
While we’re based in Leeds, our team covers the entire Yorkshire region — including Bradford, Sheffield, York, Huddersfield and Hull — and beyond. You can visit us at our welcoming offices at City Square or we can arrange a virtual meeting.
Our contentious probate team can be reached by phoning 0113 518 5100 8am-8pm Monday to Friday, 9am-5pm on Saturday and 10am-4pm on Sunday. Alternatively, you can email inheritance@brabners.com or use the button below and fill in our contact form.

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A guide to testamentary capacity, common grounds for challenge and the factors that can influence the validity of a Will.

We explain the current proposals around digital Wills and highlight other Will reforms that could be on the horizon.

We explore the role of a Letter of Claim during Will and inheritance disputes and outline what it means for those involved.

We take a closer look at the social, demographic and economic trends that are making contentious probate expertise essential in 2026.

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The homemade Will was found to be valid, resulting in a charity inheriting £180,000 in place of the testator’s family members.

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The Court of Appeal has overturned a High Court decision made in August 2023 in the case of Rea v Rea.

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We've appointed an experienced new partner to lead our growing contentious trusts and probate team.

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Penalties for executors who do not carry out their duties effectively can be significant and serious.

In the event of a dispute, witnesses can be called on to give evidence on the circumstances of the will being executed.

How can individuals protect inherited assets in the event of a relationship breakdown?
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