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Writing a formal letter felt intimidating when I first started teaching, until I realised most learners weren’t struggling with grammar — they were struggling with structure. They’d write a letter with all the right words but in the wrong places, or they’d skip crucial sections entirely. That’s because formal letters have invisible rules. They look simple, but they’re actually blueprints. Once you understand the layout and the language conventions, you can write a formal letter for almost any situation.
I’ve broken down the formal letter into its five core components, included complete sample letters for the most common scenarios (job applications, complaints, and inquiries), and provided a step-by-step template you can adapt for your own writing. By the end, you’ll be able to open a blank page and write a professional letter without second-guessing yourself.
Key Takeaways
- Five core sections: Heading (your address + date) → Recipient address → Salutation (“Dear Sir or Madam,”) → Body (short, logical paragraphs) → Closing (signature block).
- Golden rule: Keep it brief — one page if possible, two pages maximum. Native speakers expect formal letters to be concise and to-the-point.
- Spacing and alignment: Use single spacing within paragraphs, double spacing between them. Left-align all text unless you’re following a specific company template.
- Openings to avoid: Never start with “I hope this email finds you well” or vague phrases. Jump straight into your purpose in the first paragraph.
- Closing formula: Match your salutation — if you said “Dear Sir or Madam,” close with “Yours Faithfully.” If you named the recipient, use “Yours Sincerely.”
The Five-Part Structure of a Formal Letter
A formal letter is like a house — it needs a foundation, walls, and a roof. Skip any part, and the whole structure feels incomplete. Here are the five mandatory sections and why each one matters:
1. Heading (Your Address + Date)
The heading goes at the top of the page, typically on the right side in British English or centred in American English. Include your full address and the date — spell out the month as a word (never abbreviate to “1/15/2024” in formal letters).
Example heading:
42 Maple Road
Toronto, ON M5V 3A2
Canada23 April 2026
Tip: Always write the date out in full and in word form. Use either “23 April 2026” (British) or “April 23, 2026” (American). Never use numerals-only formats like “4/23/26” in formal business letters.
2. Recipient Address (Inside Address)
Leave 2–3 line spaces after your heading, then write the recipient’s address. This goes on the left side of the page. Include their name, title (if known), company, and full address. If you don’t know the name, use “The Manager”, “The Hiring Manager”, or “The Customer Service Team”.
Example inside address:
Ms. Sarah Chen
Head of Human Resources
Acme Publishing Ltd.
100 Business Park Avenue
London, UK EC1A 1BB
If you don’t know the recipient’s name:
The Manager
Customer Service Department
Acme Publishing Ltd.
100 Business Park Avenue
London, UK EC1A 1BB
3. Salutation (Greeting)
Skip one line after the inside address and begin your salutation. This is the greeting line. Always use “Dear” — it’s the only correct formal opener. If you know the person’s name, use it. If not, use “Dear Sir or Madam” or “Dear Hiring Manager”.
Always end the salutation with a comma (British style) or colon (American style). Modern formal letters in English-speaking countries prefer the colon for true business correspondence.
With a known name:
Dear Mr. Patel:
Without a known name:
Dear Sir or Madam:
If addressing a group or department:
Dear Hiring Team:
Avoid these salutations: “Hi”, “Hello”, “Hey there”, “To whom it may concern” (outdated), “Greetings” (too informal). Stick with “Dear [Name]:” or “Dear Sir or Madam:”.
4. Body (Main Text)
The body is where your message lives. Keep it short, clear, and logical. Most formal letters fit into 3–4 short paragraphs. Each paragraph should focus on one main idea, and each sentence should be direct — no filler.
Paragraph 1 — Purpose: Open with why you’re writing. Get straight to the point.
Example: “I am writing to express my strong interest in the Marketing Manager position advertised in The Guardian on 15 April 2026.”
Paragraph 2–3 — Support: Add relevant details, examples, or context.
Example: “With five years of experience in digital marketing and a proven track record of increasing online engagement by 40%, I believe I would be a valuable addition to your team.”
Final paragraph — Call to action: End with what you’d like to happen next — a meeting, a response, further information.
Example: “I would welcome the opportunity to discuss how my skills align with your needs. I am available for an interview at your convenience.”
Write short, clear paragraphs. Formal doesn’t mean long. In fact, long paragraphs signal the opposite of professionalism — they signal poor organisation. Aim for 3–5 sentences per paragraph maximum.
5. Closing (Signature Block)
After the body, skip one line and write your closing formula. In British English, use “Yours Faithfully” if you don’t know the recipient’s name, or “Yours Sincerely” if you do. In American English, “Sincerely” works for all formal letters, or “Best regards” for slightly warmer tone.
Yours sincerely,
[Your signature by hand]
Maria Garcia
(Dr. Maria Garcia) — use titles or credentials in brackets if relevant
Formal Letter Template
Use this as a blank template for your own formal letters:
[Your Address]
[City, Postal Code]
[Country][Date]
[Recipient Name]
[Recipient Title]
[Company Name]
[Company Address]
[City, Postal Code]Dear [Mr./Ms./Dr. Last Name]:
[Paragraph 1 — State your purpose clearly in the first 2–3 sentences.]
[Paragraph 2–3 — Provide supporting details, context, or evidence.]
[Final paragraph — Request action or next steps.]
Yours sincerely,
[Your Signature]
[Your Full Name]
Common Mistakes in Formal Letters
✗ Incorrect: “Hi Sarah! How are you doing? I wanted to reach out about the job…”
✓ Correct: “Dear Ms. Chen: I am writing to express my interest in the Marketing Manager position.”
Why: Formal letters are not emails to friends. Use “Dear” and a surname, and open with your purpose, not pleasantries.
✗ Incorrect: “I hope this letter finds you in good health and spirits.”
✓ Correct: “I am writing regarding the invoice dispute dated 12 March 2026.”
Why: Formal letters avoid flowery language. Jump to your reason for writing immediately.
✗ Incorrect: No spacing between paragraphs; one dense block of text.
✓ Correct: Clear line breaks between paragraphs; single spacing within, double spacing between.
Why: Readability is a sign of professionalism. Dense text suggests you didn’t proofread.
Sample Letter 1: Job Application
42 Maple Road
Toronto, ON M5V 3A2
Canada23 April 2026
Ms. Sarah Chen
Head of Human Resources
Acme Publishing Ltd.
100 Business Park Avenue
London, UK EC1A 1BBDear Ms. Chen:
I am writing to express my strong interest in the Senior Editor position advertised in The Bookseller on 15 April 2026. With eight years of editorial experience and a deep passion for academic publishing, I believe I am an excellent fit for your team.
In my current role at Global Learning Press, I have managed a team of four editors, overseen the publication of 50+ titles across three subject areas, and improved our editorial workflow efficiency by 35%. My experience spans acquisitions, developmental editing, and production management — skills I know are central to the Senior Editor role at Acme.
I am particularly drawn to Acme’s commitment to open-access publishing and your recent expansion into digital formats. I would welcome the opportunity to discuss how my background in both traditional and digital publishing could contribute to your team’s growth.
I am available for an interview at your convenience and can be reached at +1 (416) 555-0199 or maria.garcia@email.com.
Yours sincerely,
[Signature]
Maria Garcia
Sample Letter 2: Formal Complaint
15 Oak Street
Dublin, D02 Ireland
15 April 2026The Customer Service Manager
TechWorld Ltd.
42 Innovation Drive
Cork, IrelandDear Sir or Madam:
I am writing to lodge a formal complaint regarding my recent purchase of a laptop computer (Model XPS-15, Order #TW-890234, purchased 8 April 2026) and the inadequate customer service I have received.
The laptop arrived with a faulty keyboard, making approximately 20% of the keys unresponsive. I contacted your customer service department on 9 April, and was promised a replacement within 48 hours. It has now been six days, and I have not received any response to my follow-up emails. This situation has significantly disrupted my work, as I rely on my laptop for my freelance writing business.
I expect either a full replacement of the device or a full refund within 7 business days of this letter. I have attached photographs of the faulty keyboard and copies of my service requests for your reference.
I trust you will treat this matter with urgency. Please contact me at your earliest convenience on +353 (1) 555-0122.
Yours sincerely,
[Signature]
James O’Connor
Sample Letter 3: Formal Inquiry
50 University Lane
Edinburgh, EH8 8DX
Scotland
21 April 2026The Admissions Office
University of Glasgow
University Avenue
Glasgow, G12 8QQ
ScotlandDear Sir or Madam:
I am writing to request further information about your MA programme in Applied Linguistics, particularly regarding admission requirements for international applicants and funding opportunities for overseas students.
I am currently completing my bachelor’s degree in English Language Studies at a university in Japan and am interested in pursuing postgraduate study in the UK. I would appreciate clarification on the following points: (1) the required English language proficiency score for entry, (2) whether a TOEFL or IELTS qualification is preferred, and (3) whether any scholarships are available for international students from East Asia.
Could you please either provide this information directly or direct me to the appropriate department? I am happy to provide any additional details about my academic background if helpful.
Thank you for your time and assistance. I look forward to hearing from you.
Yours faithfully,
[Signature]
Yuki Tanaka
Before and After: A Writing Session
Student: I’ve written this job application letter. Is it okay?
Teacher: Let me see. “Hi Sarah, I’m really keen on this job and I think I’d be great.”
Student: What’s wrong with that?
Teacher: It’s too casual. Rewrite it more formally: “Dear Ms. [Last Name], I am writing to express my interest in the [Job Title] position.”
Student: Ah, I see. And should I talk about myself?
Teacher: Yes, but focus on skills that match the job description. Don’t just list everything about yourself.
Student: Got it. What about the closing?
Teacher: Since you used “Dear Ms.”, end with “Yours sincerely.” Then your signature and typed name.
Quick Quiz
Identify the Correct Formal Letter Element
- What closing should you use if the salutation was “Dear Sir or Madam:”? → ________
- How many paragraphs should the body of a formal letter contain, ideally? → ________
- Where do you place the recipient’s address on the page? → ________
- What should you do if you don’t know the recipient’s gender? → ________
- In the first paragraph of the body, what should you clearly state? → ________
Answers: 1. “Yours Faithfully,” · 2. 3–4 paragraphs (short and focused) · 3. Left side, below the heading · 4. Use “Dear Sir or Madam:” or “Dear Hiring Manager:” · 5. Your purpose for writing (in 1–2 sentences)
Real-World Application: Write Your Own Formal Letter
Choose a scenario and use the template and samples above to draft your own formal letter:
- Scenario 1: You’re applying for a scholarship and need to write a letter of interest.
- Scenario 2: You received incorrect billing from a company and need to file a complaint.
- Scenario 3: You want to inquire about a postgraduate programme at a university.
- Scenario 4: You’re resigning from a job and need to write a resignation letter.
Once you’ve drafted your letter, use this checklist:
- □ Does my opening paragraph clearly state my purpose?
- □ Are my paragraphs short (3–5 sentences each) and focused on one idea?
- □ Have I used “Dear [Name]:” or “Dear Sir or Madam:” as my salutation?
- □ Have I matched my closing to my salutation? (“Yours Sincerely,” for named recipients, “Yours Faithfully,” for unnamed)
- □ Is my letter one page or, at most, one and a half pages?
- □ Have I proofread for spelling and grammar errors?
Related Articles on English Writing
- How to End a Letter in English
- Top 100+ Common Mistakes Made by English Learners
- How to Write a Cover Letter — for job applications specifically
- Formal vs. Informal Writing in English — register and tone
- ↑ Back to pillar: English Writing (Pillar)
Frequently Asked Questions
Can I type a formal letter or does it need to be handwritten?
Always type formal letters. Handwriting is slow, can be hard to read, and doesn’t look professional in business contexts. Print on white paper, use a standard font (Arial, Times New Roman, Calibri), and sign by hand only if printing the letter. For emails, you can omit the handwritten signature.
Should a formal letter be single-spaced or double-spaced?
Use single spacing within paragraphs and double spacing between them. This is standard in British and North American business correspondence. Never use double-spacing throughout the entire letter — it looks like you’re wasting paper.
What if I’m emailing the formal letter instead of printing it?
You can skip the heading (sender’s address and date) in an email body, since the email system provides that metadata. However, keep everything else: recipient address line, salutation, body, closing, and signature. In the email signature block, include your name, title (if relevant), phone number, and email address.
Is it okay to use “To Whom It May Concern” as a salutation?
It’s outdated and vague. Modern alternatives are much better: “Dear Sir or Madam”, “Dear Hiring Manager”, “Dear Admissions Team”, or “The Manager”. These show you’ve made an effort to find the right person and sound less like a template letter.
How formal should my language be in the body?
Formal but natural. Avoid archaic language (“I beg to inform you”) and overly flowery phrases (“I hope this missive finds you in good health”). Instead, use clear, direct modern English. “I am writing to” is appropriate; “I wish to draw your esteemed attention to” is not.
Can I use contractions (don’t, it’s, I’m) in a formal letter?
Avoid them. Formal letters use full forms (“do not”, “it is”, “I am”). Contractions make the tone feel more casual and conversational. The only exception is if you’re quoting someone else directly.
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