Building Regulations 1993

(1) For section 48A(1) of the Act, prescribed building work is work for or in connection with the construction of any of the following:

(c) a Class 10 building attached to a building referred to in paragraph (a) if it is constructed at the same time as that building is constructed;

(d) a retaining wall (whenever constructed) that is not attached to a building referred to in paragraph (a) but on which the integrity of such a building depends.

Examples of Class 10 buildings for subregulation (1)(c)

1. A garage attached to a building of Class 1, 2, 3, 4, 5, 6, 7, 8 or 9.

2. A retaining wall attached to a building of Class 1, 2, 3, 4, 5, 6, 7, 8 or 9.

(2) However, the prescribed building work does not include work for or in connection with the construction of any of the following:

(a) renovations or alterations to an existing Class 1a or Class 2 building if there is no increase in the floor area of the building;

(ab) renovations or alterations to an existing building of Class 1b, 3, 4, 5, 6, 7, 8 or 9 if:

(iii) there is no alteration to or removal of any structural support element of the building; and

(b) a Class 10 building or verandah attached to a building of Class 1, 2, 3, 4, 5, 6, 7, 8 or 9 if it is constructed at any time after that building was constructed;

(c) a Class 10 building (whenever constructed) that is not attached to a building of Class 1, 2, 3, 4, 5, 6, 7, 8 or 9, other than a retaining wall referred to in subregulation (1)(d).

Examples of renovations and alterations for subregulation (2)(a)

1. The re-cladding of the roof or walls of a Class 1a or Class 2 building.

2. The replacement of windows in a Class 1a or Class 2 building.

3. The construction of new external openings in a Class 1a or Class 2 building.

4. The enlargement or filling in of existing external openings in a Class 1a or Class 2 building.

Examples of Class 10 buildings for subregulation (2)(c)

1. A freestanding garage or shed.

2. A retaining wall that is not attached to a building of Class 1, 2, 3, 4, 5, 6, 7, 8 or 9 and on which the integrity of such a building does not depend.