Voluntary waste and accidental fires

(1) A lessee shall not make voluntary waste of the land held under the tenancy without the permission of the lessor, and if he does so the lessee shall be liable to pay damages to the lessor. (2) No action shall be brought by any landlord against any tenant on or in whose land any fire accidentally begins in respect of any damage suffered by him in consequence thereof, Provided that this subsection shall take effect in so far only as a contrary intention is not expressed in any contract or agreement made between landlord and tenant.