I have sat in rooms with families torn apart by inheritance disputes. A recent High Court case highlights the brutal reality. It revolved around a couple who had been together for 20 years. After the man died, his will left everything, including their £1.8 million London home, to his partner. He explicitly disinherited his adult son.
The son challenged the will. He claimed his father lacked the mental capacity to make it and had been unduly influenced. These are common arguments in these disputes. The court listened to the evidence, including deeply personal family history, and ultimately ruled against the son. The will was upheld. But the victory for the partner came at a cost. The judge ordered the son to pay a legal bill reported to be in six figures. This is what a contested inheritance looks like. It is public, expensive, and emotionally draining for everyone involved.
The Anatomy of the Dispute
Here, a valid will was in place. The deceased’s intentions were recorded. Yet it still resulted in a costly court battle. The legal challenge itself is the point of failure. The son’s claim forced the estate into a prolonged and expensive defence. Even when you win, you have already lost time, money, and peace of mind. The financial cost can easily erode a significant part of the inheritance it was meant to protect.
Making Your Wishes Watertight
This case provides a hard lesson for UK families. Having a solicitor draft your will is the first step. It is not the last. If you are making a decision you know will be contentious, such as excluding a child, you must build a defensive wall around that will. We advise clients to draft a separate Letter of Wishes. This is not a legally binding document, but it sits alongside your will and explains the reasons behind your decisions. It provides crucial context for the court and humanises your choices. If there is any question about health, we obtain a doctor’s opinion on testamentary capacity at the same time the will is signed. It creates a powerful, contemporaneous record.
These steps cannot prevent the pain of a family dispute. They can, however, make your will substantially harder and more expensive to challenge. They provide clarity. That is the goal. If this is something you are thinking about, my door is open.
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Written by Sean Kiani, Estate Planner at Inheritance Made Simple. Sean writes and reviews the firm's guidance on estate planning, wills, trusts and inheritance tax, and works with families across Bournemouth, Poole, Dorset and Central London. Verify Sean's Society of Will Writers membership listing.