Banking

Contesting a Will UK — When and How to Challenge

Guide to contesting a will in the UK. Grounds for challenging, who can contest, the legal process, costs, and what to consider before taking action.

Contesting a will is serious and costly. Here’s when it’s possible and whether it’s worth it.

Who Can Contest a Will

People With Standing

Category Can Contest
Spouse/civil partner Yes
Former spouse (not remarried) Yes
Children Yes
Stepchildren (if dependent) Yes
Cohabitees (2+ years) Yes
Anyone being maintained Yes
Anyone named in will Yes
Anyone in previous will Yes

People Who Can’t Contest

Category Standing
Friends No (unless in will)
Business partners No (unless in will)
Charities Only if named
Anyone else Need specific ground

Grounds for Contesting

Invalidity Grounds

Ground What It Means
Lack of mental capacity Didn’t understand what they were doing
Improper execution Not properly signed/witnessed
Undue influence Pressured into making the will
Fraud/forgery Will is fake or falsified
Lack of knowledge Didn’t know/approve contents

Inadequate Provision (Inheritance Act 1975)

Ground Claim
Reasonable financial provision Not made for dependant
Who can claim Spouse, children, cohabitees, dependants
Court decides What’s reasonable in circumstances

What “Mental Capacity” Means

Requirement Deceased Must Have Understood
Nature of making a will What a will does
Extent of estate Roughly what they owned
Claims on estate Who might expect to benefit
Free of delusion Not affected by mental disorder

The Two Types of Claim

1. Will Invalidity

Aim To prove the will isn’t valid
Effect if successful Will set aside; earlier will or intestacy applies
Standard of proof Balance of probabilities
Burden Usually on person challenging
Time limit None, but act quickly

2. Inheritance Act Claim

Aim Get reasonable financial provision
Effect if successful Court orders provision for you
Not challenging will Will remains valid
Must show Inadequate provision for your needs
Time limit 6 months from probate

Before You Contest

Questions to Ask

Question Consider
Do I have standing? Legal right to contest
Do I have grounds? Valid legal basis
Is the estate worth it? Value vs costs
What evidence do I have? Can I prove my case?
What do I really want? Money? Recognition?
Family consequences? Relationships

Is It Worth It Financially?

Estate Value Contest Cost Worth It?
£20,000 £10,000+ Probably not
£100,000 £15,000+ Maybe
£500,000+ £30,000+ More likely

Emotional Cost

Factor Consider
Family relationships Often irreparably damaged
Stress Legal battles are draining
Time Months or years
Uncertainty Outcome not guaranteed
Public Some details become known

The Process

Step 1: Initial Investigation

Action Purpose
Get copy of will Review provisions
Review earlier wills See changes
Gather evidence Medical records, witnesses
Consult solicitor Assess strength of case

Step 2: Enter a Caveat

What It Does Stops probate being granted
Duration 6 months, can be extended
Cost £3 at Probate Registry
Purpose Prevents estate distribution
Effect Buys time to investigate

Step 3: Pre-Action Protocol

Requirement Details
Letter before claim Sets out your case
Try to settle Negotiation encouraged
Share evidence Proportionate disclosure
Mediation Often required

Step 4: Court Proceedings

If No Settlement Court
Issue claim Start formal proceedings
Disclosure Share documents
Witness statements Give evidence
Trial If still not settled
Judgment Court decides

Costs

Stage Cost Range
Initial advice £500-£1,500
Investigation £2,000-£5,000
Pre-action work £3,000-£10,000
If court proceedings £10,000-£50,000+
Full trial £50,000-£150,000+

Who Pays?

Outcome Costs Rule
You win May recover some costs
You lose May pay other side’s costs
Settlement Often each pays own
Part success Costs apportioned

Cost Protection

Option Details
ATE insurance After the event cover
CFA/No win no fee Some cases qualify
Legal aid Rarely available
Fixed fee initial advice Assess before committing

Evidence You’ll Need

For Mental Capacity Claim

Evidence Purpose
Medical records Diagnosis of conditions
GP notes Around time will made
Care home records If applicable
Witness statements Behavior at the time
Expert medical opinion Retrospective assessment

For Undue Influence

Evidence Purpose
Witness statements Who was around
Previous wills Pattern of changes
Dependency evidence Reliance on influencer
Isolation evidence Cut off from family
Financial control Who managed money

For Inheritance Act

Evidence Purpose
Your financial needs Income, capital
Deceased’s obligations What they should have done
Estate value What’s available
Your circumstances Why you need provision
Others’ claims Competing needs

Alternatives to Court

Negotiation

Approach Details
Direct discussion With executors/beneficiaries
Solicitor negotiations Formal correspondence
Early settlement Often best outcome
Deed of Variation Beneficiaries can agree changes

Mediation

Feature Details
Neutral mediator Helps reach agreement
Confidential Unlike court
Quicker Usually one day
Cheaper Than litigation
Success rate About 70% settle

Family Arrangement

Method Details
Deed of Variation Beneficiaries agree different distribution
All must agree Can’t force
Tax neutral If done within 2 years
Flexible Whatever everyone agrees

Summary: Contesting Checklist

Before Proceeding

Question Answer
Do I have standing? ☐ Yes ☐ No
Do I have grounds? ☐ Yes ☐ No
Do I have evidence? ☐ Yes ☐ No
Is it financially worth it? ☐ Yes ☐ No
Have I considered alternatives? ☐ Yes ☐ No
Am I prepared for family fallout? ☐ Yes ☐ No

Key Time Limits

Action Deadline
Inheritance Act claim 6 months from probate
Enter caveat Before probate granted
Respond to caveat warning 14 days

Process Steps

Step Done
Get legal advice
Enter caveat (if needed)
Gather evidence
Try negotiation
Consider mediation
Court proceedings (last resort)

Find a Solicitor

Look For Why
Contentious probate specialist Specific expertise
STEP member Estate planning knowledge
Clear costs estimate Know what you’re facing
Realistic advice Not just what you want to hear

Contesting a will should be a last resort. The process is expensive, stressful, and damages family relationships permanently. Consider carefully whether the potential gain justifies not just the money, but everything else you’ll spend on it.