A3 Building importance levels

Sets levels to describe risk and structure factors for the purposes of clauses C1 – C6 Protection from fire.

The Building Code is published in Schedule 1 of the Building Regulations 1992 and contains clause A3 Building importance levels. A building is given an importance level (1-5) determined by risk to human life, the environment, economic cost and other risk factors in relation to its use.

Clause A3 — Building importance levels

Related Determinations

Determinations are made by MBIE on matters of doubt or dispute to do with building work. Rulings are legally binding in relation to each case. Circumstances in one case may differ to others.

This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people: