A sublet allows direct landlord communication with the subtenant, unlike a sublease, where the legal relationship is between the primary and subtenant. In contrast, subletting is when the landlord creates a new rental agreement with a new party.This article covers the differences between subletting and subleasing, helping you understand the distinctions and make the right choice for your situation. In a sublet, the lease agreement is transferred entirely to the new tenant. We talk about a sublease when the original tenant (sublessor) rents out all or some of the space to a third party (sublessee). Subletting is where you rerent the leased property to another party (third party). What is the difference between sublet and sublease? Assignment and Subletting. Fill out a brief survey and get matched with perfect housing options for you!