Longer Lifespans in Contentious Probate

Written by Tanya Waterworth, Digital Content Writer

About Our Legal Expert: This content is produced with oversight by Michael Jefferies, Managing Director who has over 30 years’ legal experience.

Late Life Relationships and Inheritance Disputes in England and Wales

People in England and Wales are living longer than any previous generation and when it comes to inheritance, longer lifespans and late-life partners in contentious probate claims are also on the rise. This demographic shift is one of the key factors behind the reshaping of inheritance disputes. Families are now finding themselves navigating estates where their loved one reached their late 80s or 90s. These longer lifespans often include changing relationships, shifting loyalties and new partners in a late stage of life. This has extended the opportunities for conflict, and we’ve seen adult children blindsided by a new and unexpected will or a new pattern of financial dependence.=

The rise of late‑life relationships and their legal consequences

One of the most striking shifts is the normalisation of relationships formed later in life. It’s no longer rare for people meet partners in their seventies and eighties, sometimes after decades of widowhood or divorce. These relationships can be deeply meaningful for the couple involved. However, they can also create tension with adult children who may feel protective, suspicious, or simply displaced.

When it comes to inheritance disputes, we often see that late‑life partners can be at the centre of disputes for three reasons:

They may become financially dependent on the deceased, triggering potential claims under the Inheritance (Provision for Family and Dependants) Act 1975.
They may be named as beneficiaries in a new will, sometimes to the exclusion of children or long‑standing relatives.
They may be involved in the deceased’s care, which can lead to allegations of undue influence or concerns about capacity.

The law recognises the legitimacy of these relationships, but families don’t always follow suit. When a parent forms a partnership at 85, the emotional reaction from family members can be very different from when they do so at 45. Unfortunately, this emotional disconnect often creates conflict and suspicion.

Capacity concerns in an ageing population

As lifespans increase, so does the prevalence of cognitive decline according to Alzheimer’s Research UK. This reality exists alongside the fact that many people continue to make significant financial decisions well into their nineties. The law requires only that a person has testamentary capacity at the time they execute their will, but proving or disproving capacity retrospectively can be difficult and requires strong evidence.

Longer lives mean:

More wills executed at an advanced age, often with inconsistent medical records.
More opportunities for fluctuating capacity, especially in conditions like vascular dementia.
More reliance on carers or partners, which can fuel allegations of undue influence.

Families often assume that a diagnosis of dementia automatically invalidates a will. It doesn’t. Capacity is task‑specific and time‑specific. Someone may lack capacity on Monday but have a lucid, capable window on Tuesday morning. Because of this, a probate dispute can quickly become a battleground.

The inheritance expectations of adult children

Adult children increasingly expect to inherit and not because they simply feel entitled, but because of the economic pressures of modern life. Taking into account rising house prices, stagnant wages along with the cost-of-living crisis means that many people view inheritance as a necessary part of their financial planning. When a parent lives into their nineties, those children may be in their sixties themselves and are retired, semi‑retired, or financially stretched.

This creates a subtle but influential dynamic because:

The longer a parent lives, the more emotionally invested adult children become in the anticipated inheritance.
Late‑life partners are often perceived as threats to financial security, not just emotional interlopers.
A new will can feel like a destabilising event, even if the parent acted freely and rationally.

These underlying factors explain why disputes which may appear legally weak can still be pursued with intensity by the deceased’s adult children.

The complexity of blended families in later life

Longer lifespans also mean more blended families which has been cited as a primary reason in a growing number of contentious probate claims. A person may have children from a first marriage, stepchildren from a second, and a cohabiting partner from a third long‑term relationship. It’s worth knowing that a new marriage automatically cancels a will.

In our experience, late‑life cohabitation is particularly fertile ground for disputes. A partner who lived with the deceased for years may have no automatic right to inherit unless provided for in the will. But if they were financially dependent, they may bring a 1975 Act claim. Such a move will often be contested by children who feel the partner “wasn’t really family”.

Cohabiting partners who want to claim under the Inheritance Act often underestimate the importance of clear financial evidence. Courts look closely at dependency, contribution, and need. So, for example a partner who shared a home but kept their finances separate may find themselves in a weaker position than they expect.

The problem of outdated wills

Longer lives mean more opportunities for wills to become outdated. A will drafted in 1998 may still be legally valid in 2026, but it may no longer reflect the deceased’s intentions or circumstances. Unfortunately, people often assume they will “get around to updating it”, but many never do.

Outdated wills are often the basis for conflict because:

They may omit later‑born grandchildren or stepchildren.
They may leave assets that no longer exist.
They may favour a spouse who has since died, triggering partial intestacy.
They may exclude a long‑term partner entirely.

When a late-life partner discovers that the deceased never updated their will and excluded them, they may often turn to the law.

The courts’ evolving approach

Courts in England and Wales increasingly recognise the realities of modern contentious probate claims as they see more cases involving late‑life relationships, fluctuating capacity, and complex family dynamics which they may take into account.

For example:

Undue influence claims still require strong evidence, but courts are more aware of subtle forms of pressure that can arise when an elderly person relies heavily on a partner or carer.
1975 Act claims by cohabiting partners are more common, and courts may well take a more practical view of financial dependency.
Capacity assessments are scrutinised more carefully, especially when a will is made at a very advanced age.

A future of more disputes

As lifespans continue to increase, contentious probate claims will only become more common. Families may have to navigate the reality that relationships don’t end at 70 and that they may not realise their financial expectations when a parent dies.

The best protection remains clear communication, regular will reviews, and early legal advice. But even with those safeguards in place, complexity of late‑life relationships means inheritance challenges continue to increase in England and Wales.

Our partner solicitors offer a range of fee structures, including ‘No Win, No Fee’ for certain cases along with other flexible funding and under our managing director, Michael Jefferies, we will give you the support and understanding you need.

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