s 155 Buildings situated in districts of more than one local authority
(1) In the case of a building which is situated partly in the district of one local authority and partly in the district of another, the local authorities may agree that this section shall have effect in relation to the building or to the building and the site thereof and any yard, garden, out-houses, and appurtenances belonging thereto or usually enjoyed therewith. (2) Whilst such an agreement as aforesaid is in force, the enactments relating to housing shall have effect as if the district of such one of the local authorities as may be specified therein included the whole of the building and, if the agreement so provides, the site thereof and any such other premises as aforesaid.