This Chapter does not apply to premises falling within section 3(1) if—
Where in the case of any such premises any part of the premises (such as, for example, a garage, parking space or storage area) is used, or intended for use, in conjunction with a particular dwelling contained in the premises (and accordingly is not comprised in any common parts of the premises), it shall be taken to be occupied, or intended to be occupied, for residential purposes.
For the purpose of determining the internal floor area of a building or of any part of a building, the floor or floors of the building or part shall be taken to extend (without interruption) throughout the whole of the interior of the building or part, except that the area of any common parts of the building or part shall be disregarded.
Where different persons own the freehold of different parts of premises within subsection (1) of section 3, this Chapter does not apply to the premises if any of those parts is a self-contained part of a building for the purposes of that section.
This Chapter does not apply to premises falling within section 3(1) if the premises are premises with a resident landlord and do not contain more than four units.
This Chapter does not apply to premises falling within section 3(1) if the freehold of the premises includes track of an operational railway; and for the purposes of this subsection—