Useful phrases for writing formal complaint letter

Greeting receipant Dear SirDear Madam

Dear Sir/Madam

Dear Mr LastName

Dear Ms LastName

Explainig reason I am writing in order to complain aboutI am writing to complain about
Introducing the complaint: FirstlyIn the first place

First of all

My first complaint is

The first problem is

The first thing I would like to draw your attention to is

My first concern is

Introducing further complaints: SecondlyIn the second place

Not only …….but also


In addition to this

Supplementary to this

…….was also unacceptable

Demanding action: I propose that you replace the itemI therefore suggest that I be given a full refund

I would be grateful if my money was refunded

I would be appreciative if you could give me a full money back

I would be thankful if you could give me a full refund

Endings I look forward to hearing from youI look forward to receiving a full refund

I look forward to receiving a replacement

I look forward to receiving your explanation