covenant to alter

A lessee must have an express covenant to alter, add to, or demolish the leased premises. Generally, where the tenant has the right to alter there is an express clause that clearly states the exact amount of work that will be allowed, that it will be carried out in a workmanlike manner (or subject ot the approval of the lessor) and the work is at the lessee's expense. The lessee may be required to restore the premises to their original condition on the expiration of the lease. This is known as a make good