This section applies for the purposes of this Act as it applies in relation to England.
"Higher-risk building" means a building in England that—
is at least 18 metres in height or has at least 7 storeys, and
is of a description specified in regulations made by the Secretary of State.
The Secretary of State may by regulations make provision supplementing this section.
The regulations may in particular—
define "building" or "storey" for the purposes of this section;
make provision about how the height of a building is to be determined for those purposes;
provide that "higher-risk building" does not include a building of a specified description.
Regulations made by virtue of subsection (4)(a) may in particular define "building" so as to provide that it includes—
any other structure or erection of any kind (whether temporary or permanent);
any vehicle, vessel or other movable object of any kind, in such circumstances as may be specified.
The Secretary of State may by regulations amend this section (other than subsection (1) or (3) or this subsection).
For the meaning of "higher-risk building work" see section 91ZA.