Landlord permission is crucial; a written consent is typically required for any subleasing arrangement. Check the original lease to see whether subletting is prohibited.My lease said "no subletting without the permission of the landlord", so I reach out to the landlord and ask about permission to sublet. Create your Pennsylvania sublease agreement and sublet your property. Rent your unit to a subtenant with our attorney-approved template. Not likely, apartment rental agreements usually have a clause stating that subletting all or any part of a tenant's apartment is not allowed. There are a variety of reasons why your tenant may ask to sublease in Philadelphia. Some landlords are fine with it, while others are not. If you have a lease for a set term, like one year, you can sublet with or without your landlord's permission, unless they prohibit this in the written lease. Get your roommates' permission to sublet.