A clear sublease agreement should detail crucial components to ensure a smooth arrangement. These forms are also available in the DotLoop and DocuSign form libraries.Luxury Living Chicago Realty can help you sublet your apartment. It's important to call a licensed broker or real estate agent that can discuss the process. Simplify your subleasing process with our Chicago Sublease Agreement. Easily edit, fill and sign for free with Lumin. A subletter is someone who takes over the lease agreement from the original tenant, known as the sublessor. This Sublease Agreement template details the terms for subleasing a property, including rent, subtenant responsibilities, landlord approval, and lease duration. An Illinois sublease agreement allows a tenant to rent out their leased property, partially or in full, to another tenant. UPDATED Brokerage-to-Brokerage Compensation Agreement.