Thinking about building a granny flat — but not sure where to start?
New rules. Mixed advice. Rising costs. This plain-English planning guide helps you understand your options before you spend thousands on plans or builders.

What you’ll learn inside the guide
- What qualifies as a granny flat (and what doesn’t)
- Understanding the new NZ exemption rules — in plain English
- Typical sizes, layouts & realistic costs
- What paperwork is still required (PIM, records, documents)
- Worksheets to help you plan before design begins
Who it’s for?
This guide is ideal for homeowners who:
- Are considering a granny flat for family, income, or future flexibility
- Want clarity before paying for designers or builders
- Feel overwhelmed by council rules and online advice
- Want to avoid costly mistakes early
Start planning with confidence
Instant digital download Designed specifically for New Zealand homeowners
Instant digital download • Designed for New Zealand homeowners
Need personalised help?
If you’d like support turning your ideas into a workable design, I also offer one-on-one design services.
Our Services
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Simple, practical guides for layouts, colours, and planning — designed for real homes, real budgets, and real life.
Free Resources
Checklists and templates to help you get organised and make smarter decisions before you spend.
Not ready for a review yet? Learn the biggest renovation mistakes homeowners make before they build.
