Victorian Numbered Regulations Victorian Numbered Regulations(1) This regulation applies to alterations to an existing building.
(2) Subject to this regulation and to regulation 609, building work to alter an existing building must comply with these Regulations.
(3) If the proposed alterations, together with any other alterations completed or permitted within the previous 3 years, represent more than half the original volume of the building the entire building must be brought into conformity with these Regulations.
(4) The relevant building surveyor may consent to partial compliance with sub-regulation (2) or (3).
Note: The relevant building surveyor, when deciding whether to give a consent under sub-regulation (4), is subject to clause 7 of Schedule 2 to the Act, which provides that he or she must consider any report of a reporting authority before deciding the application and that he or she must implement the recommendations of a prescribed reporting authority in relation to a prescribed matter.
(5) In determining whether to consent to partial compliance with sub-regulation (2) or (3) in respect of any alteration to a building, the relevant building surveyor must take into account—
(a) the structural adequacy of the building; and
(b) the requirements necessary to make reasonable provision for—
(i) the amenity of the building and the safety and health of people using the building; and
(ii) avoiding the spread of fire to or from any adjoining building.
(6) If any part of the alteration is an extension to an existing building, the relevant building surveyor may only consent to partial compliance in respect of the extension if the floor area of the extension is not greater than the lesser of—
(a) 25% of the floor area of the existing building; or
(b) 1000m 2 .