substitute
1.21 Installation, alteration and removal of low impact external doors and windows in buildings
A designated development for the installation, alteration or removal (the relevant change ) of an external door or window in a building if—
(a) the height of the building's finished floor level, or other trafficable surface, immediately adjacent to the relevant change is not more than 1m above natural ground level; and
Example—trafficable surface
paving
Note 1 Natural ground level —see the territory plan (13 Definitions).
Note 2 An example is part of the regulation, is not exhaustive and may extend, but does not limit, the meaning of the provision in which it appears (see Legislation Act, s 126 and s 132).
(b) if the relevant change is to an existing door or window—the relevant change involves no more than the following:
(i) replacing the door or window with either a door or a window without changing the width of the opening in the wall;
(ii) increasing the width of the door or window by not more than 340mm;
(iii) increasing the height of the door or window by not more than 340mm;
(iv) reducing the height or width, or both, of the window or door;
(v) installing a wall instead of the door or window or a part of the door or window; and
Example—par (b)
an existing window is replaced by a door that is 200mm higher and 300mm wider than the window
Note The change in relation to the door or window need not involve all of the matters mentioned in par (b).
(c) if the relevant change is not to an existing door or window—the relevant change involves no more than removing part of a wall and installing a door or window with an external horizontal opening of not more than 2m; and
(d) no part of the relevant change is less than either of the following for the block on which the building is located:
(i) 1.5m from a side boundary;
(ii) 3m from a rear boundary; and
(e) the designated development complies with the general exemption criteria that are applicable to the development.
Note 1 Designated development —see s 1.2.
Note 2 General exemption criteria —see s 1.10.
Note 3 Changing the external appearance, material or finish of a building or structure may be subject to other laws, including heritage laws and energy efficiency provisions of building laws.
1.21A Installation, alteration and removal of high impact external doors and windows in buildings
A designated development for the installation, alteration or removal (the relevant change ) of an external door or window in a building if—
(a) the height of the building's finished floor level, or other trafficable surface, immediately adjacent to the relevant change is 1m or more above natural ground level; and
Note See the example and notes to s 1.21 (a).
(b) the relevant change involves no more than the following:
(i) replacing the door or window with either a door or a window without changing the width of the opening in the wall;
(ii) increasing the width of the door or window by not more than 340mm;
(iii) increasing the height of the door or window by not more than 340mm;
(iv) reducing the height or width, or both, of the window or door;
(v) installing a wall instead of the door or window or a part of the door or window; and
Note The change in relation to the door or window need not involve all of the matters mentioned in par (b).
(c) no part of the relevant change is less than either of the following for the block on which the building is located:
(i) 1.5m from a side boundary;
(ii) 3m from a rear boundary; and
(d) the designated development complies with the general exemption criteria that are applicable to the development.
Note 1 Designated development —see s 1.2.
Note 2 General exemption criteria —see s 1.10.
Note 3 Changing the external appearance, material or finish of a building or structure may be subject to other laws, including heritage laws and energy efficiency provisions of building laws.