The argument didn’t start with the Will 

Inheritance disputes rarely begin with a Will. More often, the Will simply becomes the point where long-standing tensions, unspoken expectations and old grievances finally surface. Here, Associate Hayley Gaffney, specialist in contentious probate at Coodes, explores why these claims are often years in the making, and what families can do to reduce the risk of conflict escalating. 

When families come to me about a Will dispute, the conversation often begins with a document; a clause that feels unfair; a late change that came as a shock, or a signature that is suddenly being questioned. But after years of specialising in contentious probate, I have learned that the Will itself is rarely where the argument truly began. 

More often, the dispute has been years in the making. It is rooted in family history rather than legal drafting. In unspoken expectations, unresolved grievances, informal promises, and patterns of behaviour that have quietly shaped relationships long before anyone mentioned probate. 

Understanding those dynamics is often the key to understanding why an inheritance dispute has arisen at all. 

Old fault lines, not new surprises 

By the time a Will is available to the family or an estate is distributed, many families are already carrying significant emotional baggage. Adult children may have very different ideas about what is ‘fair’ and why. Blended families can bring competing loyalties between partners, stepchildren and children from earlier relationships. Longstanding resentments may exist about who provided care, who lived nearby, who helped financially, and who did not. Sometimes there are memories of promises made casually over kitchen tables years earlier: “You’ll always have a home here” or “This will all be yours one day”. 

When a Will does not reflect those expectations, the legal arguments that follow can appear sudden and technical (think challenges to capacity, allegations of undue influence, or claims under the Inheritance (Provision for Family and Dependants) Act 1975). But in reality, those claims are often the final chapter of a much longer family story. 

In my experience, many inheritance disputes are not really about the words in the Will. They are about everything that happened before it and to a degree what happened after that loved one passed away. 

The patterns that quietly lead to litigation 

Certain family dynamics recur time and again in contentious probate cases. 

One common pattern involves what is sometimes called the ‘helper child’. One sibling takes on the day-to-day responsibility of caring for an ageing parent or managing their affairs. Another sibling is less present, often for understandable reasons such as distance, work or their own family commitments. Over time, expectations diverge. The carer may feel they deserve recognition for their contribution, while the other sibling expects equal treatment. If a Will is changed late in life to reflect that imbalance, it can come as a shock and can quickly lead to allegations that decisions were influenced or pressured or indeed that it was all a carefully calculated plan. 

Blended families present a different, but equally difficult, set of challenges. Where there is a second marriage or long-term partner, the tension between providing security for a surviving partner and preserving an inheritance for adult children can become a flashpoint. Without careful planning and clear advice, disputes can arise over the family home, jointly owned assets, and the true intentions behind the Will. 

Then there are cases built on verbal assurances rather than paperwork. Informal promises about property, business interests or future inheritance, never written down or properly advised upon, can create fertile ground for dispute. When memories differ and evidence is limited, claims based on proprietary estoppel or financial dependency become emotionally charged, expensive and unpredictable. 

Why the Will takes the blame 

A Will is private until the testator has passed away. It is therefore, at the worst possible moment – after a death, when grief is raw and emotions are heightened, that the discovery of a new or revised Will is made. The Will becomes the focal point for feelings that have often been present for years. 

Statements such as “This isn’t what Mum wanted” or “This is completely unfair” are rarely just about the document itself. They are often expressions of something deeper: a belief that family expectations were never discussed openly, that decisions were made behind closed doors, or that the story the family tells itself about fairness and intention no longer makes sense. 

That does not mean genuine legal concerns should be dismissed. Capacity issues, undue influence and inadequate provision are very real and serious matters. But it does help explain why inheritance disputes so often carry a level of emotional intensity that goes far beyond the financial value of the estate. 

Reducing the risk before a dispute arises 

Some inheritance disputes can be avoided, or at least softened, with earlier and more thoughtful planning. 

Open conversations about future wishes, however uncomfortable they may feel, are almost always less damaging than silence followed by surprise. Taking specialist advice when making or changing a Will is also crucial, particularly where circumstances are complex or provision is unequal. A well-documented process, sometimes supported by medical evidence of capacity, can make a difference if decisions are later questioned. 

Explaining the reasoning behind a Will can also help. A carefully drafted letter of wishes or statement to accompany your Will can provide context and reassurance without adding legal complexity, particularly where family members are being treated differently. Similarly, recognising financial dependency early (whether that involves a partner, an adult child or a carer) and planning for it properly can reduce the risk of future claims under the 1975 Act. 

Above all, effective planning involves thinking in scenarios rather than snapshots. What happens if one partner dies first? What if care needs increase? What if relationships change? Considering those possibilities in advance can protect both assets and family relationships. 

When conflict has already started 

If a dispute is already underway or appears likely from the dynamics or discussions that have taken place, early advice is essential. Strict time limits apply to certain claims, particularly under the Inheritance Act. Taking a measured approach at the outset, before positions become entrenched, can often prevent years of distress and expense. 

In contentious probate, evidence matters. Contemporaneous documents, messages, care records and financial information are often far more influential than recollections shaped by grief or anger. Understanding that early can make a significant difference to how a case unfolds. 

Looking beyond the Will 

Wills matter. But in inheritance disputes, the wider family story matters just as much. If any of the situations described here feel familiar, it is not a sign that conflict is inevitable – and it is rarely too early to take steps to protect your family from a painful dispute. 

If you would like confidential, practical guidance on avoiding or resolving an inheritance dispute, Coodes’ Inheritance Disputes team is always here to help.