90(1)In section 623 (minor definitions: Part XVIII), for the definition of “house” there shall be substituted—E+W
““dwelling-house” and “flat”, except in the expression “flat in multiple occupation”, shall be construed in accordance with subsection (2);
“house in multiple occupation” and “flat in multiple occupation” have the same meaning as in Part XI;”.
(2)At the end of that section there shall be inserted the following subsection—
“(2)For the purposes of this Part, “dwelling-house” includes any yard, garden, outhouses and appurtenances belonging to it or usually enjoyed with it and section 183 shall have effect to determine whether a dwelling-house is a flat.”