Remember that all Exempt Building Work must still comply with the New Zealand Building Code and other Legislation such as, but not limited to, Housing Improvement Regulations 1947, local council Bylaws and District Plans.
For Exempt Building Work on an existing Building, once completed the Exempt Building Work can not have made the Buildings compliance with the Building Code worse.
DID YOU KNOW..... in N.Z. you can repair or replace your existing outbuilding, like a farm shed! without a building consent, as long as you keep within the same footprint of the original, remember the new outbuilding still needs to comply with the Building Code.
DID YOU KNOW......in N.Z. all building work required for a Pergola is Exempt Building Work! Great as a shading device to help with over heating of rooms. Note: if you put a roof on it, it is NOT a Pergola!
DID YOU KNOW.....in N.Z. you DON'T need a Building Consent to widen an internal doorway or entrance door in an existing house, to improve access for people with disabilities! The image is Branz recommendations of door width depending on hall width.