Complaint Letter Generator UK

Answer a few questions about what went wrong and the letter is written for you, citing the law for your situation. Check the finished letter, then we print it and post it by Royal Mail.

From £2.79, including printing and Royal Mail postage. Nothing to add.

  • Printed and posted by Royal Mail
  • See the finished letter before you pay
  • Tracked delivery available

What's Included in Your Letter

  • A clear statement of your complaint and the outcome you want
  • The UK law or consumer rights that apply to your situation
  • A reasonable deadline for a reply
  • What you will do next if there is no reply, such as an ombudsman, a regulator or the small claims court
  • A PDF copy sent to you by email
  • Email updates on your order
Works on any computer, tablet or phone

Choose Your Complaint

Faulty Product Complaint

Ask for a repair, replacement or refund for faulty goods under the Consumer Rights Act 2015.

Refusing Refund Letter

Challenge a retailer that refuses a refund you are entitled to.

Missing Delivery Complaint

Claim a refund or replacement for an order that never arrived.

Warranty Claim Letter

Hold a retailer or manufacturer to a warranty and your statutory rights.

Subscription Cancellation Letter

Cancel a subscription in writing and claim back charges taken after you cancelled.

Incorrect Bill Dispute

Dispute a wrong bill from an energy, water, phone or broadband provider.

Poor Service Complaint

Complain about a service that was not carried out with reasonable care and skill.

Flight Delay Compensation

Claim up to £520 per passenger for a delayed or cancelled flight under UK261.

Formal Complaint Letter

Escalate a complaint that has not been resolved to senior management.

Noise Complaint Letter

Ask a neighbour, calmly and in writing, to keep the noise down.

How It Works

  1. 1Choose Your ComplaintPick the letter that fits what went wrong.
  2. 2Answer a Few QuestionsTell us what happened, when, and what you want. The letter is written from your answers.
  3. 3Check It and PaySee the finished letter exactly as it will be printed, choose a Royal Mail service and pay securely by Stripe.
  4. 4We Print and Post ItYou get a PDF copy by email, and the tracking number for tracked services.

Delivery Options

Each price includes printing the first page in black and white and Royal Mail postage. Letters written from a template add £0.30.

  • StandardSecond Class, 2 to 3 working days. Not tracked£2.49
  • PriorityFirst Class, 1 to 2 working days. Not tracked£4.49
  • Signed For2 to 3 working days. Signed for on delivery£7.99
  • Tracked 482 to 3 working days. Tracked, cover up to £75£7.99
  • Tracked 24Most popularAims for the next working day. Tracked, cover up to £75£8.99
  • Special DeliveryNext working day by 1pm. Tracked and signed, cover up to £750£18.99

Frequently Asked Questions

You can answer the questions and see the finished letter for free. You only pay when you send it: from £2.79 for a one-page letter by Second Class post, including printing and postage.

Ready to Send Your Complaint?

Answer a few questions, check the finished letter, and we print it and post it by Royal Mail from £2.79.