What is a letter before action?
A letter before action, also called a letter of claim, is a formal warning that a business or organisation intends to take you to court over a debt unless you respond. Under the Pre-Action Protocol for Debt Claims it should come with a reply form and give you 30 days to answer before court proceedings can start. Responding in that time matters, and it can often stop a claim going ahead.
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A letter before action, also called a letter of claim, is a formal warning that a business or organisation intends to take you to court over a debt unless you respond. Under the Pre-Action Protocol for Debt Claims it should come with a reply form and give you 30 days to answer before court proceedings can start. Responding in that time matters, and it can often stop a claim going ahead.
Last reviewed: July 2026 · Written in plain English, checked against gov.uk · Information only, not legal advice
Letter Before Action: the essentials
- What it isA formal warning of court action over a debt
- Legal basisPre-Action Protocol for Debt Claims (2017)
- Applies toA business claiming a debt from an individual
- Time to respond30 days using the reply form
- If you engageCourt action can often be avoided
What is the letter before action for?
Before a business can take an individual to the county court over a debt, court rules require it to send a letter of claim, commonly called a letter before action. The point is to give you clear information and a proper chance to respond, pay, or dispute the debt without going to court. It should include an up-to-date statement of what you owe, details of any interest or charges, an information sheet, a reply form, and a financial statement form. If a creditor rushes to court without this, a judge can penalise them.
How long do I have to respond?
You have 30 days from the date of the letter to return the completed reply form. The form lets you say whether you agree you owe all, some, or none of the debt, ask for copies of documents, request more time, or set out your income and expenses. Return it within 30 days and the creditor shouldn't start court action while things are being sorted out, and if you've asked for documents they should give you reasonable time to look at them. Use the form even if you dispute the debt, because it protects your position.
What should I do when I receive one?
Don't ignore it. Ignoring a letter before action is the most common way people end up with a County Court Judgment (CCJ) by default. Check that the debt is yours and the amount is right, and if you're unsure ask for proof using the reply form. If you agree you owe it but can't pay in full, use the form to propose affordable instalments or ask for time; many creditors will accept a reasonable offer to avoid court. Free advice from Citizens Advice, National Debtline, or StepChange can help you fill in the form and negotiate.
What happens if you ignore it?
If you ignore a letter before action, the creditor can start court proceedings after 30 days. If you then don't respond to the court claim, they can get a County Court Judgment against you by default. That adds costs, can lead to bailiffs or an attachment of earnings, and stays on your credit file for six years. Replying within the 30 days, even just to ask for information or propose payments, keeps the matter out of court far more often than not.
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See what your letter means — freeFrequently asked questions
Is a letter before action the same as a court claim?
No. It's the step before court. If you respond within 30 days you can often avoid a claim being issued at all.
Do I have to use the reply form?
You should. The reply form is how you dispute the debt, ask for documents, or make a payment offer, and using it protects you if the case ever reaches court.
What if I don't recognise the debt?
Tick the relevant box on the reply form to dispute it and ask for proof. The creditor should provide documents and give you reasonable time before taking any further step.
Official sources & free help
For the full detail — and free, independent advice — see: