Feature article
Granny flat regulations: New rules make it cheaper and easier to build
Keeping Nana in the neighbourhood
28 January 2026
AI summary
New regulations make building a granny flat easier by removing building and resource consents for standalone dwellings up to 70sqm.
To qualify, the unit must be a single-storey design using lightweight materials, and all work must be done by Licensed Building Practitioners (LBPs).
While this saves up to $5,650 and 14 weeks, a Project Information Memorandum (PIM) is still mandatory. Be aware that councils can still charge significant Development Contributions, so check with them first.
What are the new granny flat rules?
What qualifies as an exempt ‘granny flat’?
How much can you save?
How to get started?
Kitset and design-build options
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