C1 Writing · The Formal Letter — Lesson

Formal letters at C1

C1 formal letters must demonstrate high register, precise vocabulary, and complex grammar including conditionals, indirect questions, and hedged requests.

Structure

Greeting → Purpose → Body (2–3 paragraphs) → Action requested → Closing

Greeting

Dear Mr / Ms [Surname], or Dear Sir or Madam,

Closing

Yours sincerely (named) / Yours faithfully (Dear Sir/Madam)

Length

140–190 words

C1-level formal phrases

Opening

I am writing with regard to… / I am writing in response to…

Indirect requests

I would be grateful if you could… / I wonder if it would be possible to…

Conditional

Should you require further information, please do not hesitate to contact me.

Complaint

I wish to draw your attention to… / I am writing to express my concern…

Application

I am writing to apply for… / I believe my qualifications make me a strong candidate…

Contractions are never used. Avoid 'I want' — use 'I would like'. Avoid 'can you' — use 'could you' or 'would you be able to'.

Common pitfalls

Wrong closing

Yours sincerely with Dear Sir/Madam (should be Yours faithfully)

Wrong greeting

Dear Sir/Madam when you know the name (should be Dear Mr Jones)

Contractions

Don’t, can’t, I’m — all forbidden

Vague language

I want to ask about… → I am writing to enquire about…