1182. House and premises as a whole to be taken into account.

Where, on a claim by the tenant1 of a house2 to exercise a right to enfranchisement or extension3, a question arises4 whether his tenancy5 of the house is or was at any time a tenancy at a low rent6, the question must be determined by reference to the rent and rateable value7 of the house and premises8 as a whole; and, in relation to a time before the relevant time9, that question must be so determined whether or not the property then occupied with the house or any part of it was the same in all respects as that