What to do if you've been served with a court claim form in the UK.

You've opened an envelope or been handed a document by a court officer, and inside is a form that says "Claim Form" at the top. The room probably feels smaller. Your first instinct is probably panic.

Take a breath. This is scary, but it's not a surprise attack. The court has sent you a form. Forms have rules. You have options. And you have time to think through them.

This page walks you through what happens in the first 24 hours, the first week, and what your realistic choices are. By the end you should understand what the form is, why it matters, what deadline you're facing, and what your three paths forward actually look like.

The short version

A court claim form (Form N1) is a legal document that means someone is suing you for money. When you receive it, the clock starts. You have 14 days from the date it was served on you to tell the court that you've received it and you're going to respond. If you don't do that, you lose the right to defend yourself, and the claimant can ask the court for a "default judgment" against you. A default judgment means the court has sided with them without hearing your side of the story. That judgment can then be enforced against your wages, your bank account, or your possessions.

The clock is real. Missing the deadline is one of the most expensive mistakes you can make.

But. The deadline is also navigable. If you act in the first few days, you have options, and most cases that reach this stage don't go to trial. They settle. Many settle before you even have to file a full defence.

Here's what you need to know.

Your first 24 hours

Step 1: Open the envelope and read the cover sheet

The claim form will have a cover sheet. It tells you:

• Who is suing you (the claimant)
• Who you are (the defendant)
• When the form was served (date of service)
• What they're claiming you owe
• How much interest they're demanding
• How much the court fee was

Read the date of service carefully. This is the day the clock started. It's not the day you received it. Service in the UK happens in different ways, and the date depends on the method.

Step 2: Understand how the clock works

The deadline rules come from the Civil Procedure Rules Part 6. Here's the practical version:

If the form was served by post, the date of service is the second business day after posting. So if it was posted on Monday, it was served on Wednesday (skipping the weekend). That Wednesday is day zero.

From day zero, you have 14 days to file an "Acknowledgment of Service" (Form N9) at the court. You can file this online, by post, or in person. Filing the N9 tells the court you've received the form and you're going to file a defence.

If you file the N9 within 14 days, you get another 14 days (28 days total from service) to file your Defence.

If you don't file the N9 within 14 days, you have only 14 days total from service to file a Defence. Miss that, and you're in default.

Step 3: Photograph or photocopy everything

The moment you receive the form, photograph or photocopy:

• The cover sheet
• Every page of the claim
• Every exhibit the claimant has attached
• The envelope it came in (if you received it by post)
• Any letter from the court service

You're going to need to refer back to these repeatedly. Keep them safe and accessible. If the case goes further, you may need to prove what date the form was served on you.

Step 4: Don't panic-reply

Your instinct might be to write an angry letter to the court or the claimant's solicitor defending yourself. Don't do this yet. The first 24 hours should be about understanding the document, not responding to it emotionally.

Put the form somewhere safe. Do not ignore it. But also do not decide whether to fight or admit liability in the first few hours. You'll make better decisions after you've slept and read the full claim.

Your first week

Read the claim carefully

The claim form itself is usually 1 to 4 pages. Read every word.

The claimant will have stated:

• What happened (their version)
• Why they think you owe them money
• How much they're claiming
• What interest they're claiming
• What court fee they've paid

You need to understand what they're alleging, because you're about to decide whether it's true.

Gather your own documents

Find and organise every document that relates to the claim:

• Emails between you and the claimant
• Text messages
• Invoices, receipts, contracts
• Proof of payment, if relevant
• Calendar records, meeting notes
• Bank statements that show payments

The claimant has made their case on paper. Your job is to find the paper that proves or disproves what they're saying. This is also the most important week to do it, because your memory is fresh and your documents are still organised.

Make a timeline

Write out a chronology of what happened. Dates, actions, who said what. The claimant will have done this in their claim. Your timeline needs to do the same thing from your perspective. It doesn't have to be perfect yet. It just needs to be honest and clear.

Understand what "served" really means

The claimant had to serve the form on you. They couldn't just post it and hope you'd find it. The Civil Procedure Rules say they have to serve it in ways that can be proved. Common methods are:

• Personal service (handed to you by a court officer or the claimant's solicitor)
• Postal service (posted to your address, and the court assumes you got it on the second business day after posting)
• Service on your solicitor (if you've already instructed one)
• Electronic service (email, if you've agreed to it)

The method of service matters because it affects when your deadline started. If the claimant served it by a method that doesn't fit the rules, that might be grounds to challenge if the deadline really applies to you. This is rare, but it is worth checking.

Talk to someone

In that first week, talk to a solicitor or a Direct Access barrister. One conversation costs £150 to £400. What you learn will be worth far more than that.

You don't have to instruct them to handle your whole case. You can ask them for a single meeting to answer your questions: Is the claim valid? Do they think you have a defence? What are my realistic options? Should I fight or settle?

Some solicitors will give you 30 minutes free. Others charge from the start. Either way, one conversation will clarify your thinking.

Your decision: defend, admit, or settle

By the end of the first week, you're facing three real choices.

Option 1: Admit liability and negotiate the amount

If you genuinely owe the money, but you disagree with how much they've claimed, or the interest, you can tell the court you admit liability and propose a repayment plan.

You do this by filing a Defence saying "I admit I owe you, but not the full amount, because X" or "I admit the debt but I can't pay it all at once."

The claimant still has to prove their loss, but you're not arguing about whether the debt exists. You're arguing about the amount and the terms.

This costs you nothing to file (the court charges the claimant fees, not the defendant). And it stops the claimant from winning a default judgment. If you admit liability but dispute the amount, the court will set a hearing to work out what you actually owe.

This path is worth taking if:

• You actually did what they're saying you did
• You owe them something, even if you disagree about the exact amount
• You'd rather negotiate than fight

Option 2: File a Defence and contest the claim

If you don't think you owe them anything, or you think you've already paid, or their claim is wrong, you file a Defence.

A Defence is a court document (usually no longer than 2 or 3 pages) saying "They've claimed X. It's not true because Y." You set out your side of the story and any legal reasons why their claim fails.

You have 28 days from service to file it (if you filed the Acknowledgment of Service within 14 days), or 14 days if you didn't.

Filing a Defence costs you nothing. But it means the case will probably go further. After you file a Defence, the case enters what the court calls "directions." The court will ask both sides what evidence they have and set timetables for exchanging documents and witness statements. This takes time and you may need a solicitor's help.

If the case goes to trial, you'll need to prove your version of events. You'll need your documents, your witnesses, and ideally a solicitor or barrister to argue for you.

This path is worth taking if:

• You genuinely don't owe the money, or
• You've already paid, or
• Their claim is legally flawed (they've sued the wrong person, or they're claiming something that isn't your responsibility)

Option 3: Ignore it

This path is not recommended, but you should know what happens if you take it.

If you don't file an Acknowledgment of Service by day 14, and you don't file a Defence by day 28, the claimant can apply to the court for a "default judgment." This is a judgment that the court makes without hearing your side of the story. The judge assumes everything the claimant has said is true and awards them the full amount they've claimed.

Once they have a default judgment, they can enforce it. They can:

• Apply to the court to garnish your wages (an "attachment of earnings")
• Apply for a "charging order" against your house
• Apply for a "third party debt order" to freeze your bank account
• Instruct bailiffs to seize your possessions

A default judgment will also appear on your credit file. It will stay there for six years and will damage your credit rating, making it harder to get credit, a mortgage, or sometimes a job.

It's theoretically possible to "set aside" a default judgment (ask the court to cancel it and give you a second chance), but this requires proving to the judge that you have a real defence and that you have a good reason for missing the deadline. It's possible, but it's expensive and uncertain.

Ignoring the form is the path that costs the most. Don't take it.

How to file an Acknowledgment of Service

An Acknowledgment of Service is the simplest thing you can file. It's Form N9. You're just telling the court "I received the form and I'm going to respond."

You don't need a solicitor to file it. You can do it yourself.

You can file it:

• Online, at the court's civil money claims website (this is the fastest and easiest way)
• By post, to the court address on the claim form cover sheet
• In person, at the court office

The deadline is 14 days from service. If you file it on day 13, you're fine. If you file it on day 15, it's late and the claimant can argue that you've lost your right to a defence.

File it with time to spare. Don't leave it to the last day.

If you're not sure whether you'll be ready to file a full Defence by day 28, file the Acknowledgment anyway. It buys you an extra 14 days and shows the court you're taking the matter seriously.

How to file a Defence

A Defence is longer than an Acknowledgment. It's where you tell your side of the story.

You don't need to use any particular form. You can write it yourself as a document. It needs to have:

• Your name and the case number
• A response to each point in the claim form
• Your version of what happened
• Any legal reasons why their claim fails (if there are any)

The Defence should be clear, honest, and organised. Use numbered paragraphs, just like the claim form does. If the claimant says something that's true, say so. If they've got it wrong, explain what actually happened.

You have 28 days from service to file it (if you filed the Acknowledgment within 14 days).

You can:

• Type it yourself and file it online
• Ask a solicitor to draft it for you
• Ask a Direct Access barrister to draft it

If you're drafting it yourself and you're not sure what to include, look at the Civil Procedure Rules Part 15. They spell out what a Defence should contain. But in plain terms: explain why they're wrong.

Common mistakes in the first 14 days

Missing the deadline

This is the most expensive mistake. Mark the deadline in red in your calendar. Set a phone reminder for day 10. File your Acknowledgment of Service by day 12. Don't wait. The deadline is real and automatic. Missing it costs you your right to defend yourself.

Not reading the whole claim

Sometimes a claim form has exhibits (attachments) that are separate from the main form. You need to read all of them. The claimant might have attached an email that proves their case, or a contract you'd forgotten about. You won't find it unless you read everything.

Replying emotionally

You're angry. That's normal. Don't let your first response to the court be emotional. Write an angry letter if you need to, then file it in the bin. Your response to the court should be calm, factual, and honest. Emotional responses don't help you.

Admitting things you don't need to admit

Don't say "I did owe them money" unless you're sure you did. Don't say "I was late paying" if you weren't. Every word in your Defence might be quoted back at you in court. Make sure it's true.

Not gathering documents in the first week

Your memory is sharp now. Your documents are still in order. After a month, you'll have forgotten where you put things and what happened when. Gather and organize your evidence in week one. You'll thank yourself later.

Ignoring the form and hoping it goes away

It won't. It will get worse. File something. Anything. Even if you're just filing an Acknowledgment of Service to buy yourself time, do that. Doing nothing is the path to default judgment.

Common misconceptions

"If they've sued me, I must owe them." Not necessarily. People sue for many reasons. Some of them are wrong. The court's job is to work out who's right. Your job is to tell your side honestly.

"If I don't respond within 14 days, I've lost my case." If you file an Acknowledgment of Service within 14 days, you haven't lost. You get another 14 days to file a Defence. The 14-day rule is a trigger to force you to tell the court you're coming. It's not a deadline to have your whole case sorted.

"I need a solicitor to file an Acknowledgment of Service." You don't. It's a simple form. You can file it yourself online in under five minutes.

"I need a solicitor to file a Defence." You don't have to, but it helps. If your case is simple and your documents are clear, you can draft a Defence yourself. If the claim is complicated, or the law is involved, a solicitor can help. One consultation is worth the cost.

"The court will help me." The court is neutral. They won't help you or the claimant. They'll listen to both sides and decide who's right. You have to make your own case.

"If I ignore the claim form, the court will realize it's not serious." The opposite happens. Ignoring it tells the court you're not taking it seriously, and they'll hand judgment to the claimant without hearing from you.

Related concepts

If you found this page useful, these terms come up often in the same conversations and may be worth understanding:

• Acknowledgment of Service. The form (N9) you file to tell the court you've received the claim form and you're going to respond.
• Defence. The court document where you tell your side of the story.
• Default judgment. A judgment the court makes when you don't respond. It assumes the claimant is right.
• Particulars of Claim. The claimant's detailed version of what happened. It's usually attached to the claim form.
• Witness statement. A written account from someone who was there or saw something relevant.
• Service. The formal way of delivering the claim form to you.
• Civil Procedure Rules (CPR). The rules that control how civil cases work in the UK courts.
• County Court. The court that handles most civil money claims under about £100,000.

Sources

The information on this page is based on:

• Ministry of Justice. Rules and procedures for court claims. https://www.justice.gov.uk/courts/procedure-rules/civil/rules
• Civil Procedure Rules Part 6. Rules for service of court documents. https://www.justice.gov.uk/courts/procedure-rules/civil/rules/part06
• HM Courts and Tribunals Service. Defendant guidance. https://www.gov.uk/make-court-claim-for-money
• Citizens Advice. Help with court claims and legal issues. https://www.citizensadvice.org.uk/

This page was reviewed for accuracy on 2026-05-27. UK court procedure rules change occasionally. Check the gov.uk website for the most current information.

A note on what this page is and isn't

This is information, not legal advice. It describes how UK court procedure works, not what you should do in your particular situation. The circumstances of every case are different. If you have a specific claim against you, talk to a solicitor (or a Direct Access barrister) about it.

CaseCalm helps litigants in person understand UK court procedures and draft their own documents. We are not a law firm and we are not authorised by the Solicitors Regulation Authority. When your situation needs real legal advice, we point you to qualified professionals.

Written by Peter Kolomiets, who received and responded to a UK civil claim form himself. Reviewed for accuracy 2026-05-27. Comments or corrections to peter@casecalm.com.