How to Write a Letter of Complaint – GCSE English Guide


1. Understand the Purpose of a Complaint Letter

A complaint letter is a formal way of expressing dissatisfaction about a product, service, or experience. In your GCSE English exam, you may be asked to write one to:

  • Show awareness of audience and purpose
  • Use formal and persuasive language
  • Structure your writing effectively

A well-structured complaint letter demonstrates your ability to communicate clearly and professionally.

2. Know the Key Features of a Complaint Letter

For GCSE English, your complaint letter should include:
✅ A clear and formal structure
✅ A polite but firm tone
✅ Facts and evidence to support your complaint
✅ A clear request for action
✅ Proper spelling, grammar, and punctuation

3. Structure of a Complaint Letter

A formal complaint letter should follow this structure:

1. Your Address (Top Right)

Write your address and the date at the top. Example:
123 High Street, London, SW1A 1AA
10 February 2025

2. The Recipient’s Address (Left Side Below Your Address)

Include the name, company, and address of the recipient. Example:
Customer Service Manager
ABC Electronics
456 Market Road, London, SW2B 3CC

3. Subject Line (Optional but Useful)

This tells the recipient what the letter is about. Example:
Subject: Complaint About Faulty Laptop – Order #12345

4. Opening Paragraph – State the Purpose of Your Letter

Be direct and polite. Example:
“I am writing to formally complain about a faulty laptop I purchased from your store on 1st February 2025. Despite my expectations, the product has not worked as advertised.”

5. Main Body – Explain the Problem in Detail

Include:

  • What went wrong
  • When and where it happened
  • How it affected you

Example:
“After using the laptop for just two days, it began overheating and shutting down unexpectedly. I contacted your customer service team on 5th February, but they were unhelpful and refused to provide a replacement.”

6. Provide Evidence (If Applicable)

Mention any documents you are attaching, such as receipts or photos. Example:
“I have attached a copy of my purchase receipt and a photo showing the error message displayed on the screen.”

7. State What You Want to Happen

Be clear about the action you expect. Example:
“I kindly request a replacement laptop or a full refund within the next 14 days.”

8. Closing Statement – Be Polite but Firm

End your letter with a polite request for a response. Example:
“I look forward to your prompt response. Please contact me at [your phone/email] if you require further details.”

9. Sign Off

Use a formal closing:

  • If you know the recipient’s name: Yours sincerely,
  • If you don’t know the recipient’s name: Yours faithfully,
    Then, write your full name.

4. Sample GCSE English Complaint Letter

123 High Street
London, SW1A 1AA
10 February 2025

Customer Service Manager
ABC Electronics
456 Market Road
London, SW2B 3CC

Subject: Complaint About Faulty Laptop – Order #12345

Dear Sir/Madam,

I am writing to formally complain about a faulty laptop I purchased from your store on 1st February 2025. Despite my expectations, the product has not worked as advertised.

After using the laptop for just two days, it began overheating and shutting down unexpectedly. I contacted your customer service team on 5th February, but they were unhelpful and refused to provide a replacement. This has caused significant inconvenience, as I need the laptop for my schoolwork.

I have attached a copy of my purchase receipt and a photo showing the error message displayed on the screen. Given the circumstances, I kindly request a replacement laptop or a full refund within the next 14 days.

I look forward to your prompt response. Please contact me at [your email/phone number] if you require further information.

Yours faithfully,

John Smith


5. GCSE English Tips for Writing a Complaint Letter

Use Formal Language

  • Avoid slang or contractions (I’m → I am, can’t → cannot).
  • Use polite but firm phrasing (I kindly request…, I would appreciate…).

Use Persuasive Techniques

  • Emotive Language: “This has caused me great inconvenience.”
  • Facts & Evidence: “I have attached a copy of my receipt.”
  • Rhetorical Questions: “Would you accept a broken product?”

Check Your Spelling & Grammar
Marks are awarded for accuracy in GCSE English, so proofread carefully!

Keep It Concise & Professional
A complaint letter should be one page long (150-250 words).


6. Frequently Asked Questions (FAQs)

1. What tone should I use in a GCSE English complaint letter?
Your tone should be polite but firm. Avoid being rude or overly aggressive.

2. How long should a complaint letter be?
It should be around 150-250 words (one page).

3. What are common mistakes to avoid?

  • Using informal language
  • Writing too much or too little
  • Forgetting to state a clear resolution

4. What kind of complaint topics can appear in the GCSE English exam?
You may be asked to complain about:

  • A faulty product
  • Poor customer service
  • A bad experience at a restaurant or hotel
  • A delayed delivery

5. What’s the difference between ‘Yours sincerely’ and ‘Yours faithfully’?

  • Use “Yours sincerely” if you know the recipient’s name.
  • Use “Yours faithfully” if you don’t.

6. Can I use bullet points in a complaint letter?
No, a formal complaint letter should be written in paragraphs.


7. Conclusion

Writing a complaint letter for GCSE English requires a clear structure, formal language, and strong persuasive techniques. By following this guide and practicing with different scenarios, you can improve your writing skills and achieve higher marks in your exam.

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