Environmental Planning and Assessment Act 1979 No 203
118J In what circumstances can entry be made to a residence?
The powers of entry and inspection conferred by this Division are not exercisable in relation to that part of any premises being used for residential purposes except:
(a) with the permission of the occupier of that part of the premises, or
(b) if entry is necessary for the purpose of inspecting work being carried out under a development consent (including a complying development certificate), or
(c) under the authority conferred by a search warrant, or
(d) if an application for a building certificate has been made under section 149B in respect of premises used for residential purposes and entry is necessary for the purpose of inspecting the premises in order to issue a building certificate in accordance with sections 149A–149E.