Building Commission Industry Bulletin 86 - Smoke alarms installed in additions or alterations to existing dwellings
- a Class 1a building (e.g. house, town house, villa etc);
- a Class 1b building (e.g. small guest house, boarding house – less than 12 residents. Can also be four or more single dwellings, such as chalets, located on one allotment for short term holiday accommodation);
- a sole-occupancy unit in a Class 2 or 3 building; (e.g. apartment, flat or unit); and
- a Class 4 part of a building (e.g. a caretaker’s residence).
Share this page: