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Will Dispute Letter Template
How to challenge validity of will citing lack of capacity or undue influence — what to include, your legal rights, and a free letter generator.
← All Letter Templates · Wills, Probate & Inheritance · Last updated 18 August 2026
This is free rights guidance, not legal advice. For advice specific to your situation, see our About page or contact Citizens Advice.
If you need to challenge validity of will citing lack of capacity or undue influence, a written letter is the recommended first step — it creates a clear record and shows you're pursuing the matter formally. Below is what a strong will dispute letter should include, plus a free tool to generate yours.
What this letter needs to cover
- State the grounds for the challenge (lack of testamentary capacity, undue influence, fraud, or failure to comply with formalities)
- Reference the specific evidence supporting the challenge
- Put the executor on notice that a probate caveat may be entered
- Request a meeting to discuss the matter before legal proceedings are issued
See our full letter template library for related templates, or use our free checkers for guidance specific to your situation.
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