Commercial property due diligence in NZ: the buyer's checklist, timeline and cost of each check
Commercial property due diligence in New Zealand is the conditional period after an offer is accepted, commonly 10 to 15 working days, in which the buyer checks the title, the council LIM and property file, zoning and overlays, natural hazards and contamination, building compliance, and any leases, before the sale goes unconditional. Start the desk-based records checks on day one. A LIM alone can take up to 10 working days to arrive, and a seismic or contamination report longer again.
There is no standard "due diligence" clause
The standard ADLS/REINZ agreement, now published with The Law Association of New Zealand (TLANZ), does not contain a due diligence condition. Its standard conditions cover finance, a LIM, a building report, a toxicology report, and OIA or Land Act consent where they apply. A general due diligence condition, covering title, zoning, compliance and everything else in this checklist, is a Further Term that your lawyer drafts for the specific deal.
That matters for timing. The standard conditions work in a specific way: a condition is deemed not fulfilled until one party serves notice of fulfilment on the other, time is of the essence, and if it is not fulfilled or waived by the date, either party can walk away and the deposit comes back. Ask your lawyer to confirm your due diligence Further Term works the same way, and states plainly what happens if nobody serves notice by the due diligence date. Silence does not make a sale unconditional.
What to check, and in what order
Title. Get a current record of title and read every registered interest on it: mortgages, easements, covenants and other registered land restrictions. A title costs $8 to search online through Land Information New Zealand. Check whether the sale includes one title or several, and whether anything the listing describes as part of the property, like car parks, actually sits on a separate title.
LIM and property file. These are different products. A LIM is the council's own summary and must be issued within 10 working days of applying; a property file is the underlying documents, including building and resource consent documents, plans and correspondence, and is not a substitute for the LIM. Order both for a commercial building. The compliance schedule itself is something the owner is required to keep in or near the building, so ask the vendor for it directly. Auckland Council charges $387 for a standard LIM ($522 urgent) and $154 for a commercial property file ($79 standard residential-scale, $121 urgent). Other councils set their own fees and turnaround.
Zoning, overlays and designations. The zone shown on the council's planning map is the starting point, not the answer. Overlays, designations, precinct rules and any conditions on an existing resource consent can all restrict what you can do with the site, even where the base zone would allow it.
Building compliance. Check for a current code compliance certificate on any work done, and ask whether any work was done without one. A certificate of acceptance, if one exists, is a council's after-the-fact and partial comfort, not the same as a code compliance certificate. If the building has a specified system, such as fire sprinklers, a lift or mechanical ventilation, it needs a compliance schedule and an annual building warrant of fitness (BWOF). The standard agreement carries a vendor warranty that the building has a current BWOF at settlement, so ask for it and the last year of inspection reports now.
Seismic rating. Ask for any existing seismic assessment and check MBIE's public earthquake-prone buildings register. A building that is not on the register has simply not had a notice issued against it. That is not the same as having been assessed. The rules in this area are under active reform through 2026, so confirm the current position before you rely on any percentage figure you are given.
Contamination and hazards. If the land could have hosted an activity on the Ministry for the Environment's Hazardous Activities and Industries List (HAIL), check the regional or district council's contamination record. Auckland Council's site contamination enquiry costs $204 standard or $304 urgent.
Leases, if the building is tenanted. Read every lease for what the tenant pays for through outgoings and what stays with the landlord, particularly seismic and capital works. Confirm whether the sale is treated as a going concern for GST.
GST. Compulsory zero-rating applies only where both parties are GST-registered, the buyer intends to use the property for making taxable supplies, and it is not intended as the principal place of residence of the buyer or a person associated with the buyer, tested at settlement, not at signing. The duty to notify the vendor of your GST status sits with you as the buyer, and getting it wrong can leave you liable for the GST yourself.
What each check typically costs
The council fees above are fixed and current for Auckland. Everything else varies by size, complexity and firm, and the following are broad indicative ranges only, not quotes:
A commercial building inspection or condition report: roughly $800 to $2,000 or more.
An initial seismic assessment: often quoted around $2,000; a full detailed seismic assessment can run into the tens of thousands. Ask the engineer directly, because published figures in this area are old.
Legal fees for a commercial purchase: published guides disagree widely. One quotes $2,500 to $6,000 for a commercial purchase; another quotes $5,000 to $30,000 plus costs. Get a fixed quote once your lawyer has seen the deal.
A registered valuation: we could not find a reliable published range for commercial property. Ask a registered valuer for a quote.
Who does what
A lawyer or licensed conveyancing practitioner handles title and the agreement, and settlement itself cannot happen without one, since only a practitioner may certify instruments for registration. A registered valuer, registered through the Valuers Registration Board, gives you value. A chartered professional engineer, a protected title under NZ law, gives you a seismic rating. A building surveyor or technical due diligence consultant gives you the building's physical condition. NZS 4306, the standard most residential building inspectors work to, is described by inspection firms as a residential inspection standard, and we could not identify an equivalent NZ standard for commercial inspections, so scope a commercial inspection individually, in writing.
If the deal also turns on construction costs, such as a fit-out budget or a lender wanting the numbers checked, that is a quantity surveyor's job; see do I need a quantity surveyor and what a QS report actually covers. For a general sense of what Trueworks checks and for whom, see who we help. If you also need a build-cost benchmark, our build cost per m2 guide has current figures.
The full checklist, check by check
Each check above has its own guide:
The due diligence period, what counts as a working day, and how the conditions operate
The information memorandum and the listing, checked against the record
Easements, covenants and consent notices on the record of title
LIM vs council property file: what each shows and what neither tells you
Zoning, overlays and designations: can you actually use the building
BWOF and the compliance schedule: what transfers to you at settlement
Buying an earthquake-prone building: %NBS, the EPB register and the 2026 reform
Commercial building inspection cost, and which expert you actually need
What this doesn't tell you
The council fees above are Auckland's; other councils charge differently.
The expert cost ranges are broad, come from sources that don't always agree with each other, and are not a quote for your building.
This is not legal, valuation, engineering or building-inspection advice.
A LIM and a property file only show what the council knows. Work done without a consent will not appear in either.
FAQ
How long is a typical due diligence period for commercial property in NZ?
There is no fixed period in law. In practice, 10 to 15 working days is common, and longer where a seismic assessment or a contamination investigation is likely to be needed.
What should a commercial due diligence checklist include?
Title, the LIM and property file, zoning and overlays, building compliance including the BWOF and compliance schedule, the seismic rating, contamination history, and, if the building is tenanted, the leases and the GST position.
How much does commercial property due diligence cost in total?
The council-set fees are fixed and generally a few hundred dollars each. Expert reports vary widely by building and are priced individually, so the total for a straightforward small commercial unit and a larger multi-tenanted building will be very different.
Who does what: lawyer, building inspector, engineer, valuer, desk check?
A lawyer handles title and the agreement and is required for settlement. A building inspector or technical due diligence consultant reports on physical condition. An engineer reports on seismic rating. A valuer reports on value. A desk-based check reads the records already available and tells you which of the others you actually need to book.
Can I get my deposit back if due diligence fails?
Under the standard conditions in the agreement, if a condition is not fulfilled or waived by its date, either party can cancel and the deposit is returned. A due diligence Further Term should be drafted to work the same way. Confirm this with your lawyer before you sign.
What do listings and information memoranda most often get wrong?
In our experience, the figures most likely to disagree with the title and council records are the floor area, the car-park count, which titles are actually included, and what the zoning or a resource consent condition really permits.
Get a second read on the records
If you have a listing, an information memorandum or a due diligence pack you would like an independent read of, send it through. We report what the record shows, name any gap against what you were told, and name which of the experts above you need to bring in next. Independent analyst, not a valuer, engineer, surveyor, building inspector or lawyer.
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