Must comply with Schedule 1 of the General Regulation.
The installation doesn't need BA if:
- it is for a class 1 or class 10a building only
- it involves an air-conditioning unit and isn't the main source of ventilation for the room or building and
- it follows all other general rules.
If you're building an internal fireplace, you must get BA.
Also see: heating, cooling and solar photovoltaic (PV) installation DA exemptions.