This exemption lets you build a small standalone dwelling (commonly called a granny flat) without a building consent if you meet certain conditions.
The exemption comes into effect from 15 January 2026.
Exemption conditions
You can build a granny flat without a building consent if:
- it is new, standalone and a single storey
- its floor area is 70 square metres or less, including internal garages
- it is built using lightweight steel or timber framing and lightweight roof cladding
- it does not include a level-entry shower that needs a waterproof membrane
- licensed building professionals carry out or supervise the work
- it is 2 metres or more away from other buildings or boundaries
- it has connections to the public stormwater and wastewater network, or should have a compliant on-site water and drainage system
- the land is not affected by natural hazards
- the building design does not include waivers or modifications of the Building Code The Building Code sets out performance standards that all new building work must comply with. It covers aspects such as structural stability, fire safety, access, moisture control, durability, services and facilities. See the Ministry of Business, Innovation and Employment website www.dbh.govt.nz.
- you meet all other exemption conditions.
For complete information about the exemption and its requirements, visit Granny flats exemption: Guidance and resources.
What you must do
Although a building consent may not be required under the exemption, you must still:
- apply for and receive a Project Information Memorandum (PIM) before starting construction
- get approval for connections to network utilities (water and electricity supply, stormwater and wastewater disposal)
- get any other required approvals, such as for vehicle crossings and land use restrictions
- meet the rules and requirements of the Resource Management Act. For more information, visit Resource Management (National Environmental Standards for Detached Minor Residential Units) Regulations 2025.
Apply for a PIM for a granny flat
Before applying for a PIM, make sure you understand the exemption conditions.
To apply for a PIM, email GrannyFlatsBCExemption@aucklandcouncil.govt.nz and include:
- your completed forms (2A and 2AA)
- any required plans and documents
- the location and external dimensions of the proposed building
- how you will get rid of stormwater and wastewater
- 'Schedule 1A small standalone dwelling exemption' in your email so we can identify it easily.
Download forms 2A and 2AA
Form 2AA: Application for a Project Information Memorandum (PIM) for non-consented small standalone dwelling - The homeowner or agent must complete this form.