How To Write A Complaint Letter About A Neighbor . It would not be any problem if it would. Dear sir or madam, i am writing this letter to complain about the noise coming from my neighbor's flat, name of the noisy neighbor. Apartment Noise Complaint Letter Sample Awesome Plaint Letter About from www.pinterest.com The dog begins barking just after the sunset and continues through the night until the dawn breaks. I am writing this letter to inform you about the problems we are facing because of the extremely loud music you play at night in your apartment. Noise or nuisance issues can initially be handled verbally, but if the situation fails to resolve itself, writing a warning letter to document the complaint may be a good idea.