This guide will help landlords navigate the rental application denial process and provide a free rental application denial letter template. Comprehensive guide on how to send a rental application denial letter.Here is an example of a professional yet polite way to deny a rental application. In this article, we'll talk you through what's included in a rental application denial letter and even give you a free template to use. First, clearly state the reason for the appeal of the property's decision and restate their reason for denying your rental application. Add your name, current return address at the top with your rental application date. A rental application denial letter is a critical document in the tenant screening process! A landlord may ask you to fill out a rental application. If the landlord did not send an explanation, you may ask why your application was rejected. And if you're worried about your credit score after you get denied for an apartment don't.