3.In respect of building work comprising the construction of a building for use as a residence, converting a building or part thereof for use as one or more residences, subdividing one or more existing residences to create one or more new residences or amalgamating existing residences so as to create a new residence or residences, there is a duty to provide each residence with an effectively operating fire suppression system which complies with such requirements as may be prescribed by Welsh Ministers in regulations.
4.This duty will not apply to building work carried out for the purpose of discharging any function of a Minister of the Crown or where building regulations impose requirements relating to the provision of fire suppression systems or would so apply but for a direction under section 8 of the Building Act dispensing with such requirements.