79. Building agreement.

An agreement for a building lease1 usually gives the builder the right to enter upon the land for the purpose of executing specified works, but no interest except a tenancy at will is immediately vested in him2. A nominal rent is reserved during the period required for building; otherwise the builder may become liable for the rent and subject to the covenants, so far as applicable, which are to be reserved by or contained in the lease when it is granted. The builder becomes entitled to have a lease granted to himself or his nominee on the completion of