The building control authority may give a stop notice to a person appearing to the authority to be in control of any work if it appears to the authority that—
For the purposes of subsection (1)(c) the "risk of serious harm condition" is that use of the building in question without the contravention having been remedied would be likely to present a risk of serious harm to people in or about the building.
A "stop notice" is a notice prohibiting, either immediately or from a specified time, the carrying out of specified work until the occurrence of such of the following as may be specified—
Where a stop notice is contravened, the person to whom the notice was given commits an offence.
A person guilty of an offence under this section is liable—
and (in either case) is liable on summary conviction to a further fine not exceeding level 1 on the standard scale for each day on which the default continues after the initial conviction.
It is a defence for a person charged with an offence under this section to prove that the person took all reasonable precautions and exercised all due diligence to avoid the contravention of the stop notice.
In this section "specified" means specified in the notice.