6 min read
The due-diligence toolkit: six free checks before you offer on NZ property
New Zealand gives buyers an unusually good set of official research tools. Most are free, and almost none are known to offshore buyers. Run these six checks on any shortlisted property, the council's LIM, the national hazard layers, the title, the sale comparables, the professional registers and IRD's own tax tool, and you'll know more than most local buyers do.
01
Why does this toolkit exist?
Because buying from another country feels like buying blind, and it doesn't have to.
New Zealand publishes more official property information, more accessibly, than almost anywhere. The problem is that nobody tells offshore buyers where it all lives. This guide is that list: six checks, in the order a real purchase uses them, with what each one catches.
One rule before the list. These tools supplement the professionals, they don't replace them. The lawyer still reads the title and the builder still crawls under the house. What the toolkit does is make you a sharper client. The buyer who asks about the flood overlay before the agent mentions it negotiates differently.
02
Checks one and two: the LIM and the hazard layers
The LIM report is the council's complete file on a property. Building consents granted, and absent (the extension the council has never heard of is NZ's classic nasty surprise). Flood and erosion notations. Drainage. Rates owing.
Order it from the district council directly. We link each council's ordering page on our area guides. It costs a few hundred dollars and takes roughly ten working days. On any serious candidate, this is the first money to spend.
The hazard layers are free while you wait. The government's Natural Hazards Portal brings together flood, coastal inundation, erosion and seismic risk by address, and regional councils run deeper viewers on top. Auckland's GeoMaps is the best in the country. For beach-town buying, five minutes here is the difference between a view and a warning.
03
Checks three and four: the title and the comparables
The record of title tells you what you're actually buying: freehold, cross-lease, unit title or leasehold. It also carries the easements, covenants and interests that shape what you can do with the place.
Titles are cheap to get through LINZ, or instant through your lawyer. What matters is that someone qualified reads it before you're committed, because cross-lease defects and surprise covenants are the stuff settlement delays are made of.
Comparables are how you price-check a market you don't live in. homes.co.nz gives sale histories and estimates street by street. The QV House Price Index tells you which way the district is moving. REINZ's monthly data says what's actually selling and how fast. An offshore buyer armed with the last six months of real sales negotiates like a local.
04
Checks five and six: the registers and the tax tool
New Zealand licenses the professions around a property purchase, and the registers are public. Thirty seconds verifies your agent (the REA register, including disciplinary history), your lawyer (the Law Society register) and, if you're on the visa pathway, your immigration adviser (the IAA register). No testimonial beats a clean register entry.
Finally, before you commit, run IRD's property tax decision tool. Seven minutes of plain-English questions and the tax department itself tells you whether your intended purchase and eventual sale would be taxable in New Zealand, bright-line and all. Pair it with advice on the Australian side and there are no tax surprises left.
Six checks. Perhaps NZ$600 all up, most of it the LIM. It's the cheapest insurance in property, and every link is below.
Published 2026-10-08 by Slice of NZ Property. General information only, not financial, tax or legal advice. Confirm your position with professionals who can see your full circumstances.
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