395. Tenant's remedy where consent is unreasonably refused.

Where a landlord withholds his licence or consent to a change in the use of the demised property or any part of it, or to the making of a specified use of that property, and the High Court has jurisdiction to make a declaration that the licence or consent was unreasonably withheld, then, without prejudice to the jurisdiction of the High Court, the County Court has the like jurisdiction whatever the net annual value for rating1 of the demised property is to be taken to be for the purposes of the