A sublease agreement is considered a written document that offers the lessee a chance to pass on the responsibility and rights of tenancy to another person. A sublease agreement is a legal document allowing existing tenants to rent out their rented space to another party, the subtenant.Download our free sublease agreement template to use whenever you need it. It gives you peace of mind when bringing on subtenants. There is usually a clause in the lease or rental agreement that stipulates that the tenant may not sublease to any other people. Here is a sample sublease agreement you can fill out or use as a template. Research common issues among landlords, tenants, and general information regarding rented properties. State the name of the parties and the date of the contract. Identify the full names of each party and what their role is in the contract. The original leaseholder of the property is the Tenant and the person subletting the property is the Subtenant.