5 Things You MUST Check Before Buying a Tiny Home
Buying a tiny home is a big investment - and not all units are created equal. With more suppliers entering the market, it’s important to separate the good from the risky. Whether you’re planning to live in it, rent it out, or use it as a guest unit, here are 5 non-negotiable questions you should ask before parting with any money.
1. Is it compliant with the NZ Building Code?
This is the number one check - no excuses.
A legal, livable tiny home in New Zealand must comply with the New Zealand Building Code. If the supplier can’t provide documentation, that’s a red flag.
Ask for:
A PS1 (Producer Statement) from a licensed NZ engineer
Relevant structural and fire safety reports
Proof of electrical and plumbing compliance
If the unit doesn’t meet code, you could be denied building consent or even forced to remove the structure after installation.
2. What materials are used?
Many low-cost expandable homes use materials that simply don’t hold up in New Zealand conditions.
Ask for:
A full materials list
Factory photos or videos showing the build process
Specs on steel thickness, insulation type, and timber treatment
Avoid:
EPS foam insulation - it’s cheap and performs poorly
Untreated timber - can warp, rot, or attract pests
Thin steel - dents easily and offers little protection long term
Good suppliers will be transparent about what goes into your home.
3. Who handles the building consent?
Some companies sell you the home - then leave you on your own to figure out the paperwork.
Ask:
Do they provide consent-ready documentation?
Will they assist with council applications?
Can they connect you with a local draughtsperson or planner?
The process can be tricky - a good supplier makes it easier, not harder.
4. What happens after delivery?
The sale shouldn’t end once the home is dropped off.
Check for:
A written warranty - ideally 12 months or more
Local support contacts - for repairs or technical issues
Options for foundations, plumbing, and power setup
If the company disappears after delivery, you’ll be stuck managing everything on your own.
5. Can I see one in person?
Seeing is believing. Always ask:
Do you have a display unit I can visit?
Can I speak with a past customer?
Are there any finished units in my area?
If a company can’t show you anything physical in New Zealand - or avoids the question - proceed with caution.
Bonus Tip - Use the 60m² Rule to Your Advantage
While the proposed granny flat law allowing 60m² dwellings without resource consent is not yet passed, it’s smart to future-proof your build.
Make sure the expandable home fits within the 60m² size range, in case the rule becomes active soon. That way, you’ll be ready to take advantage of new council exemptions as they’re rolled out.
Final Word
Buying a tiny home can be one of the smartest lifestyle or investment choices you’ll ever make - but only if you do your homework. Ask the tough questions, demand documentation, and choose a supplier who stands behind their product.
If something feels off - it probably is.
Take your time, buy smart, and protect your investment.
