How to Write a Letter Before Action in the UK
Before you can start a claim in the small claims court in England and Wales, you are legally required to send a letter before action (also called a letter before claim). This is not a formality — it is a mandatory step under the Pre-Action Protocol for Debt Claims and the Civil Procedure Rules. Skipping it can result in your claim being struck out or cost penalties applied against you, even if you win.
What Is a Letter Before Action?
A letter before action (LBA) is a formal written notice to the other party — whether a business or individual — that you intend to commence legal proceedings if they do not resolve your dispute within a specified timeframe. It gives them a final opportunity to pay, respond, or negotiate before you escalate to the courts.
Under the Practice Direction on Pre-Action Conduct and Protocols (part of the Civil Procedure Rules 1998), both parties are expected to exchange information and attempt to resolve the matter before involving the courts. Courts will consider compliance with pre-action protocols when deciding costs — so a well-written LBA protects your position.
When Do You Need One?
You need a letter before action in any situation where you plan to make a claim in the County Court or small claims track, including:
- Unpaid invoices or debts (the Pre-Action Protocol for Debt Claims applies if the defendant is an individual)
- Faulty goods or services under the Consumer Rights Act 2015
- Holiday or travel disputes
- Professional negligence claims
- Landlord and tenant disputes
- Employment-related civil claims (outside of tribunal)
What Must the Letter Include?
A compliant letter before action should contain the following:
- Your full name and address and the full name and address of the other party
- The amount claimed (including a breakdown if relevant)
- The basis of the claim — the specific legal grounds, citing legislation where applicable
- Relevant dates — when the issue arose, any prior correspondence
- Supporting documents — list any documents you are enclosing (receipts, contracts, photographs)
- A clear deadline — typically 14 days for consumer claims, 30 days for more complex matters
- Your response to any counterclaim if the other party has already made one
- A statement that you will commence proceedings if no satisfactory response is received
Citing the Right Legislation
Your letter carries more weight when it references the specific legislation that supports your claim:
- Consumer Rights Act 2015 — for faulty goods, services not performed with reasonable care and skill, or digital content
- Sale of Goods Act 1979 — still relevant for business-to-business sales
- Supply of Goods and Services Act 1982 — for services contracts
- Late Payment of Commercial Debts (Interest) Act 1998 — if claiming statutory interest on a B2B debt
- Limitation Act 1980 — you have six years from the date of breach to bring a contract claim
The 14-Day Rule
For most consumer disputes, 14 days is a standard and widely accepted deadline. For the Pre-Action Protocol for Debt Claims (applicable to personal debt cases), the required response period is 30 days. Always give the other party a reasonable opportunity to respond — courts expect this, and rushing the timeline can undermine your position.
Send It in a Way You Can Prove
Send your letter by first-class post with a certificate of posting (free from any Post Office) or by Royal Mail Signed For. If you email it, request a read receipt. Keep a copy of everything. If the matter proceeds to court, you will need to prove that the letter was sent and received.
What If They Don't Respond?
If the deadline passes without a satisfactory response, you can file your claim at the County Court. For claims up to £10,000, this is handled on the small claims track — a relatively informal process designed for individuals without legal representation. You can file online at gov.uk/make-court-claim-for-money.
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