Last Updated on October 20, 2025 by tanya

Signs That a Will May Have Been Influenced

 

When Can You Bring a Contentious Probate Claim?

A person’s will should reflect their free, informed intentions, but sometimes there may be signs that a will may have been influenced. To challenge such a will falls under contentious probate. Signs that there may be undue influence can include factors such as sudden changes or the will being favourable to one person who previously had no expectation.

If you suspect undue influence may have played an unwelcome role in a loved one’s will, you may want to consult with solicitors. We partner with highly experienced probate solicitors who can advise if you have a claim.

 

Why “Influence” Matters in a Will

Under law, a will must be made voluntarily, by someone with testamentary capacity (mental ability of a person to make a will), and with knowledge and approval of its contents. If a will arises from undue influence, the law may deem it invalid or unfair.

However, undue influence is a high bar to clear. The burden is on the person challenging the will to show, on the balance of probabilities, that coercion or manipulation overcame the testator’s free will.

Many disputes fail because while influence or persuasion is common, it is rarely shown to cross the threshold into being “undue.”

That said, certain warning signs or “suspicious circumstances” may raise a strong case. Below are some key indicators to watch for.

 

10 Key Warning Signs of Possible Improper Influence

1. Sudden or major changes to a prior will

If an earlier will left assets more equally (or differently) but the final version dramatically favours one person, that abrupt shift may raise suspicion.

 

2. Isolation of the testator

If the person making the will was isolated from family, friends, or advisers – this is especially toward the end of life which may enable dominant influence.

 

3. Vulnerability of the testator

Age, illness, cognitive decline, frailty or emotional distress make a person more susceptible to pressure.

 

4. The beneficiary was intimately involved in preparing or witnessing the will

If the beneficiary dictated terms, was present when the will was signed, or even served as a witness, that may suggest undue influence.

 

5. Lack of independent legal advice or solicitor contact

If the will was drafted without the testator meeting their solicitor, or they were denied independent advice, that is suspicious.

 

6. The testator made inconsistent statements before death

If the deceased had expressed different intentions to family or friends earlier which conflict with the will, such inconsistency may help support a challenge.

 

7. The will is unusually favourable to someone who had no previous expectation

For example, a caregiver or new acquaintance who wasn’t previously in the deceased’s circle suddenly inherits the bulk of the estate.

 

8. Evidence of manipulation, communication or pressure

Emails, diaries, messages, or witness statements showing repeated persuasion, threats, or manipulation can support claims of undue influence.

 

9. The will execution was rushed or in unusual circumstances

If signing was done at an odd time, under duress or in an environment not properly arranged, those factors raise red flags.

 

10. The terms of the will lack a rational explanation

If there is no logical reason for leaving large gifts to someone who provided little in return, or disinheriting close family without explanation, that may indicate improper influence.

 

If you see several of the above signs together, that may strengthen a potential claim. But beware: each case turns on its facts, and persuasive evidence is required.

 

When You Can Make a Contentious Probate Claim (Challenge a Will)

Challenging a will falls under contentious probate. Below are the primary grounds and key thresholds:

 

Undue Influence

You may bring a claim if you can show that someone pressured the testator so significantly that they lost free will, and that pressure explains the will’s terms.

 

Lack of Testamentary Capacity

If the deceased did not understand what they were doing, their assets, or who they ought to benefit, or if a mental disorder “poisoned” their affections, the will may be invalid.

 

Lack of Knowledge and Approval

Sometimes the testator did not know or approve of the will’s contents, for example if others prepared it without their full understanding.

 

Improper Execution or Formal Defects

If formal rules (e.g. signing in presence of two witnesses) were breached, a will may be invalid.

 

Fraud, Forgery or Undue Influence Combined with Other Grounds

If someone forged a signature or tricked the testator, those are independent grounds.

 

Claim Under the Inheritance (Provision for Family & Dependants) Act 1975

Even if the will is valid, you may still challenge the estate by arguing you were left without adequate provision under the Inheritance Act 1975 (for spouse, children, or dependants).

 

Timing, Costs & Practical Considerations

 

Timing: There is no strict statute of limitations for challenging a will on grounds of undue influence, but the sooner you act, the better – evidence can fade or disappear.

 

After probate granted: Yes, you can contest a will after probate, though it becomes more difficult, and assets may already be distributed.

 

Proof standard: On the balance of probabilities, but in undue influence cases, courts scrutinise the evidence rigorously.

 

Who can bring a claim: Typically, someone with a “vested interest” (e.g. spouse, child, cohabitant, or someone named in a previous will) can challenge.

 

Costs and risk: Litigation is costly. Courts usually order the losing party to pay. Many contested will disputes settle before trial.

 

Evidence is key: You’ll need documentary proof (letters, emails, messages), medical records, statements from people who knew the testator, and possibly expert evidence on capacity or persuasion.

 

Tips to Strengthen a Challenge

Gather all communications (texts, emails, diaries) that may show pressure or coercion

Obtain medical and care records showing decline, dementia or vulnerability

Interview witnesses who saw the testator’s state or had conversations with them

Seek early legal advice from specialist contentious probate solicitors

Act quickly, before evidence is lost or executors distribute assets

 

Sample Scenario

Imagine elderly Mrs. Brown had a long-standing will leaving each child equally. In her final months, a new will appears, leaving 90% to her carer, who drafted the document, was present at signing, and discouraged Mrs. Brown from consulting her children. Mrs. Brown had cognitive decline and was socially isolated. Several of the red-flag signs align: sudden change, involvement of the beneficiary, isolation, vulnerability. A child might launch a challenge on grounds of undue influence (and perhaps capacity or knowledge/approval) under the contentious probate regime.

 

Get In Touch

Our team at First Personal Injury partner with highly experienced solicitors who can guide you through the process during this difficult and often overwhelming time.

Call us at 0333 358 2345 or contact us online and we will call you back.

Our panel firms offer a range of fee structures, including ‘No Win, No Fee’ for certain cases along with other flexible funding – speak to our team to find out more.