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Consultation opens on the 2022 Building Code update

Consultation is now open for the 2022 Building Code update, which includes proposals for plumbing and drainage, hollow-core floors and fire safety systems.
News and updates > Consultation opens on the 2022 Building Code update

Plan a granny flat: step-by-step guide

This guide provides step-by-step instructions and process stages for planning granny flats built using the building consent exemption. It clarifies roles and responsibilities for key parties and explains important steps and considerations.

Projects & consents > Planning a successful build > Scope and design > Building a granny flat: resources > Step-by-step guides > Plan

Choosing a site for your home

Do some site research before you buy, build, or renovate.
Getting started > Smarter Homes guides > Siting and location > Choosing a site for your home

Earthquake-prone buildings resources

These resources will help you to understand how the system for managing earthquake-prone buildings affects you.
Managing buildings > Managing earthquake-prone buildings > Earthquake-prone buildings resources

Dam safety requirements

Owners of classifiable dams (dams over a certain size) must meet requirements to ensure their dam is safe. The requirements are set out in the Building (Dam Safety) Regulations 2022.

A dam is classifiable if it has a height of 4 or more metres and stores 20,000 or more cubic metres volume of water or other fluid.

The regulations ensure that classifiable dams are well operated, maintained and regularly monitored. They also ensure that potential impacts of dam incidents and failures are reduced, protecting people, property, and the environment.

View video transcript

Managing buildings > Dam safety requirements

Consultation is open on proposed changes to occupational regulation regimes

MBIE is seeking feedback on proposed changes to the occupational regulatory regimes covering LBPs, Plumbers, Gasfitters and Drainlayers, Electrical Workers, and registered architects.
News and updates > Consultation is open on proposed changes to occupational regulation regimes

E1 Surface water

Disposal of rainwater from external surfaces and confirmation surface water cannot enter the building.
Building Code compliance > E Moisture > E1 Surface water

2026/017: The issue of a certificate of acceptance for a shower room and building code compliance of the work

This determination concerns the decision of the authority to issue a certificate of acceptance for the installation of a new shower room in an existing dwelling.

The determination considers whether the building work complies with Building Code Clause E3 – Internal moisture and Building Code Clause G13 - Foul Water.

Determnation 2026/017 [PDF 270 KB] Date issued: 15 May 2026

About this document

Primary Building Code clause:
E3 - Internal moisture
Also related to:
G13 - Foul waterB2 - Durability
Primary topic:
Alterations to existing buildings
Council:
Auckland Council
Section of the Building Act:
17 and 96
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Exterior Design

Aside from appearance, good exterior design can reduce building costs and make the most of natural features.
Getting started > Smarter Homes guides > Design > Exterior Design

Tiny houses

Information to ensure that tiny houses as buildings are safe, healthy and durable for their intended use.
Getting started > Tiny houses
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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: