Urban Drainage (General) Regulations 2026

For the purposes of section 13(1) of the Act and subject to subregulation (2), a prescribed structure means any structure other than the following:a non-roofed deck that – is made of timber products; and is not more than one metre above finished ground level; and is not situated within one metre laterally from the outer edge of a public stormwater system; a pergola, garden arch, trellis or frame if the structure – does not exceed 20 square metres in total area; and is not more than 3 metres above finished ground level at its highest point; and is not covered or is covered only by open-weave material which allows water through; a swimming pool or water feature if – the maximum possible water surface area is not more than 9 square metres; and the maximum possible water depth is not more than 300 millimetres; a non-roofed windmill or a mast, antenna or flagpole or a support structure of a wind turbine if the windmill, mast, antenna, flagpole or support structure – is not attached to a building and is not more than 6 metres high; or is not situated within one metre laterally from the outer edge of a public stormwater system; a fence or wall, constructed of masonry or concrete, that is not higher than 1.2 metres; a fence or wall, constructed of material other than masonry or concrete, that is not higher than 2.1 metres; a builder's site shed that is – being used in connection with building work for which a building permit is in force; or being stored in a location permitted by the relevant building surveyor; a permanent walkway, or platform, that – is not part of a building; and is less than one metre above finished ground level; and members of the public normally use or are permitted access to.

A structure referred to in subregulation (1) is a prescribed structure for the purposes of section 13(1) of the Act if it is situated within one metre laterally from the outer edge of a clearly identifiable public stormwater system access point.