Language in very formal letters

In very formal letters, you should

Here is a range of formal expressions for letters. This is not an exhaustive list, but an indication of the kind of language expected in very formal letters.

Opening

I am writing to request, complain, thank etc

Request for action

I would be very grateful if you would/could…

Apology

I feel I must apologise for

I owe you a full apology for

Please accept my apologies for

I apologise for any inconvenience I may have caused.

Thanks

Thank you for

I am extremely grateful for

I feel I must thank you for

Making arrangements

Would it be possible for you to

Would it be convenient for you to

May I make a suggestion?

Pre-closing

If you would like any further information, please do not hesitate to contact me.

If I can be of any further assistance, please do not hesitate to contact me.

Thank you for your attention in this matter.

I hope this information has been of some help.

With best wishes

With very best wishes

Closing

I look forward to hearing from you.

I look forward to your reply.