680. Terms as to improvements.

It is a term of every protected and statutory tenancy1 that the tenant will not make any improvement2 without the written consent of the landlord3, which consent is not to be unreasonably withheld and, if unreasonably withheld, is to be treated as given4. If any question arises whether the withholding of a consent so required was unreasonable, it is for the landlord to show that it was not5. In determining the question, the court6 must have regard, in particular, to the extent to which the improvement would be likely:


    (1)     to make the dwelling house or any other premises