GRANNY FLATS - WHAT’S CHANGED (AND WHAT HASN’T)

As of 15 January 2026, some new granny flats (small standalone dwellings) up to 70m² can be built without a building consent - as long as the build meets all exemption conditions.

What hasn’t changed:

- Your granny flat must still meet the Building Code

- You’ll still need to notify Council before you start (PIM process) and again when it’s finished with the required documents

- Planning rules may still apply depending on your site and location

- Development contributions may still apply

If you’re thinking about building, start with the national guidance and then talk to our team early so you can plan with confidence.

DO I QUALIFY FOR THE EXEMPTION?

A granny flat may be eligible without a building consent if it is:

- New, standalone, single-storey

- 70m² or less

- A simple design that meets the Building Code

- Built or supervised by authorised / licensed building professionals

- You’ve got your PIM issued before you start

MYTH: “If it’s exempt, Council signs it off.”

FACT: Councils generally don’t inspect or approve exempt granny flat builds - we keep records, and responsibility for compliance sits with the homeowner and the professionals they engage.

That’s why it’s so important to use the right people and follow the steps before you build. Find out more here.

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DO I QUALIFY FOR THE EXEMPTION?

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