407. Implied covenant for quiet enjoyment.

It has long been established that, if a landlord demises property to a tenant and does not enter into express covenants for title or for quiet enjoyment, certain promises are implied by him by the use of the word 'demise', namely that he is entitled to grant some term in the demised premises and that the tenant is to have quiet enjoyment of the premises1. Such promises are also implied by the use of equivalent words of letting2.

In a formal lease, and in an oral letting or an agreement for a lease which operates as a present rather than