Use a professional tone when writing a letter to request repairs. Use this tool to prepare a letter telling your landlord you need certain repairs made to your home.You will go to the LawHelp Interactive website to do this. Let's review a sample complaint letter with an easytoedit template that the landlord will take seriously. Use this letter if you are a tenant requesting repairs to your home. 4. Please note that you should tailor this letter to the facts in your case. How to write business letters to convince your recipient to respond or act.