Form N11 UK: File Your Defence to a County Court Claim
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Receiving a county court claim form through the post can be unsettling, and the clock starts ticking the moment it lands. If you disagree with some or all of what the claimant says you owe, or you believe they have no legal basis to sue you, Form N11 is how you formally push back.
A defence is your written explanation of why the claim should not succeed, and the court will read it alongside the claimant's version of events before deciding what happens next. Getting the content right matters, because anything you fail to dispute may be treated as accepted.
This guide walks through the process in plain English, covers the deadlines you need to hit, and flags where a short conversation with an experienced legal adviser can help you approach it with more confidence.
What this document is
Form N11 is the standard defence form used in the county court in England and Wales when someone has issued a money claim against you. It sits alongside Form N9, the response pack that typically arrives with the claim, and gives you space to set out the reasons you dispute the claim in whole or in part.
A defence is not just a denial. It is a structured response that tells the court which parts of the claimant's Particulars of Claim you admit, which you deny, and which you cannot admit or deny because you do not know the facts.
You can use the defence to raise legal arguments (for example, that the debt is statute-barred, that the contract was never formed, or that the goods were faulty), to set out your version of events, or to explain why the amount claimed is wrong. If you believe the claimant in fact owes you money, you can also file a counterclaim at the same time. Filing a defence keeps the case live and stops the claimant getting a default judgment against you.
How to use this document
- Read the Particulars of Claim line by line. The Particulars of Claim is the document that sets out what the claimant says happened and why they say you owe money. Go through it slowly, highlight each factual allegation, and note whether you accept it, deny it, or simply do not know. These notes become the skeleton of your defence.
- Check the deadline and decide your response. You usually have a short window from the date of service to either file a defence, admit the claim, or file an acknowledgment of service to buy more time. Missing the deadline can result in a default judgment, so diarise the date as soon as the claim arrives and plan your response around it.
- Draft your defence in numbered paragraphs. Mirror the structure of the Particulars of Claim so the court can follow your response. For each point the claimant makes, state clearly whether you admit, deny, or require proof, and give your reasons. Stick to facts and legal arguments, keep the tone neutral, and avoid emotional language or irrelevant background.
- Complete and check Form N11. Transfer your drafted defence onto the form, making sure the claim number and parties' names match the claim exactly. Sign the statement of truth, because an unsigned or untruthful statement can cause your defence to be struck out or lead to contempt proceedings. Keep a full copy before you send it.
- File the defence with the court. Send the completed form to the court address shown on the claim, keeping proof of posting or submission. Some courts accept filings by email or through the online portal, so check what the claim form says. Once filed, the court will send a copy to the claimant and the case will move to the next stage.
Common questions
Q How long do I have to file a defence?
You generally have a limited number of days from the date the claim is deemed served to file your defence. If you need more time, you can first file an acknowledgment of service, which typically extends the deadline by a short further period. The exact timescales are set out on the response pack, so check those dates carefully as soon as the claim arrives.
Q What happens if I do nothing?
If you ignore the claim and file neither a defence nor an acknowledgment of service within the deadline, the claimant can apply for a default judgment. That means the court can decide the case in the claimant's favour without hearing your side, and enforcement action (such as a warrant or attachment of earnings) may follow. It is almost always better to respond, even if only to buy time.
Q Can I defend part of the claim and admit the rest?
Yes. You can admit some allegations, deny others, and require the claimant to prove the rest. For example, you might accept that you owe a portion of the sum claimed but dispute interest or charges. Partial admissions are common and can lead to the case settling more quickly on the disputed points alone.
Q Do I need a solicitor to file a defence?
You can file a defence yourself as a litigant in person, and many people do. However, drafting a defence involves legal concepts (such as limitation, causation, and burden of proof) that can be tricky to apply correctly. Even a short conversation with an experienced legal adviser can help you think through whether your arguments are well framed before you submit the form.
Q What is a counterclaim and should I file one?
A counterclaim is a claim you bring against the claimant within the same proceedings, for example if they owe you money or caused you loss. You file it on the same form as your defence. A counterclaim may attract its own court fee based on the amount claimed, so check gov.uk for current fees before deciding whether to include one.
Q Can I amend my defence later?
You can usually amend a defence before it has been served on the other side without needing permission. After service, you generally need either the claimant's written consent or the court's permission to make changes. This is one reason to take time getting it right first time, rather than rushing a draft you will want to revise later.
Q What if the debt is very old?
Most simple contract debts in England and Wales become statute-barred after a certain number of years, meaning the creditor loses the right to sue on them. If you think the debt is too old, you can raise limitation as a defence. The rules on when the clock starts and whether any acknowledgments have reset it can be fiddly, so it is worth checking your facts carefully.
Sources
This guide is based on primary UK law and official guidance.
- Guidance · UK GovRespond to a court claim for money (gov.uk)gov.uk
- Guidance · UK GovForm N9B: Defence and counterclaim (specified amount)gov.uk
- Guidance · HMCTSCivil Procedure Rules Part 15: Defencejustice.gov.uk
- Guidance · UK GovMake a court claim for moneygov.uk
Legal disclaimer
This article is for general information only. It is a tool to help you find your way — not legal advice, and not a substitute for speaking to a qualified adviser about your situation.