CoF cost

wof Reviewed 12 August 2026 5 min read

Short answer

CoF prices are not regulated — each appointed inspecting organisation sets its own — and they sit above WoF prices because the inspection is broader, takes longer and is done on bigger vehicles at specialist sites. Ring the sites that can actually take your vehicle class and ask for a current price. The free recheck within 28 days applies only at the same inspecting organisation, which matters more here because there are fewer of them.

Certificate of Fitness pricing is not regulated. Every appointed inspecting organisation sets its own fee, so there is no national figure, and any single number you find online is somebody's price at some point in the past for some vehicle that is probably not yours.

What is reliably true is the shape of it: a CoF costs more than a WoF, and it varies more, because it is a broader inspection on a bigger vehicle at a smaller network of specialist sites.

What drives the number

The vehicle class. A rigid truck, a heavy trailer, a bus and a passenger service car are four different inspections with different scopes and very different amounts of time on a hoist. When you ring for a price, give the class and configuration rather than asking what a CoF costs.

The scope of the inspection. A CoF covers more than a warrant, which is the whole point of it. More items and more systems means more labour, and labour is what you are paying for.

The site. Fewer organisations are appointed to do CoF work than are appointed to issue warrants, and the ones that are tend to be equipped for commercial vehicles. In a small centre there may be one realistic option, and where there is only one option there is no market pressure on the price.

We do not publish CoF figures on this site. They are commercial prices set per provider, they move, and a stale number here would either send you somewhere expecting the wrong amount or make you dismiss a fair quote. Ring the sites that can take your vehicle class and ask what they charge today. NZTA's Certificate of Fitness page covers the requirement itself; the price is between you and the provider.

Why shopping around helps less here

For a light vehicle, ringing three garages for warrant prices is quick and worth doing. WoF cost explains how that works, and the same logic applies in principle to a CoF — the standard is national, so a cheaper provider is not a softer one.

In practice the CoF market is thinner. There may be two sites within a sensible distance rather than ten, and their availability may matter more than their fee, because a working vehicle sitting idle waiting for a slot costs more per day than the difference between quotes. Book early, and build the appointment into the vehicle's schedule rather than squeezing it in when the certificate is nearly out.

The recheck rule reinforces this. A failed inspection carries a free recheck within 28 days at the same inspecting organisation — another branch of the same company is fine, a different company is not. With fewer sites in the network, going out of your way for a cheaper inspection means going the same distance again if something fails, on a vehicle that may not be quick or cheap to move.

Where the real money is

The inspection fee is the small number. For a CoF vehicle, the cost that matters is maintenance and downtime.

A heavy vehicle that fails is off the road until the fault is fixed, and parts for commercial vehicles are not always sitting on a shelf. Two days of downtime on a working truck will exceed any inspection fee, and it will exceed the difference between the cheapest and dearest inspection several times over.

That makes the economics unusually clear. Everything you spend keeping the vehicle in condition between inspections buys down the risk of a fail, and the fail is the expensive event. There is no version of this where the cheapest inspection is the strategy.

Confirm your vehicle actually needs a CoF
Certificate of Fitness sets out who this applies to. If the vehicle takes a warrant of fitness instead, you are on the wrong page and the cheaper one.
Identify the sites appointed for your vehicle class
Not every CoF site handles every class. Ask when you ring, before you drive there.
Get a current quote for your class and configuration
A general "how much is a CoF" question gets a useless answer. A specific one gets a number you can budget against.
Book with the schedule in mind, not the expiry
Availability at CoF sites is tighter than at WoF garages. Booking with room to spare is what keeps a fail from becoming an expired certificate.
Plan for the 28-day recheck window
If it fails, the free recheck is at the same organisation and the clock starts at the failed inspection, not when the parts arrive.

What happens if the certificate lapses

The same rule as every other certification in this system: there is no grace period, and the infringement fee for using a vehicle without current certification is $200. The day after expiry, the vehicle is uncertified.

For a commercial vehicle the fine is rarely the real exposure. An uncertified vehicle carrying goods or passengers is a problem for your operator obligations, potentially for your insurance, and certainly for anyone whose contract requires you to be compliant. What an expired certificate means in practice covers the enforcement side, including the narrow allowance that lets you take a vehicle for repair or inspection and only if it is safe to do so.

If you are not sure what certification the vehicle currently holds or when it runs out, check it against the plate before you book anything. It takes a minute and it is the difference between booking the right inspection and wasting a slot you may have waited a fortnight for.

Frequently asked questions

How much does a CoF cost in NZ?

There is no set price. Certificate of Fitness fees are not regulated, so each appointed inspecting organisation sets its own, and they vary by vehicle class and by region. The only reliable figure is a current quote from a site that is appointed to inspect your class of vehicle, so ring the ones near you rather than working from a number you found online.

Why is a CoF more expensive than a WoF?

Because it is a bigger job. The CoF inspection is broader than a warrant, it takes longer, it is carried out on heavier vehicles that need appropriate equipment, and it is done at a smaller network of specially appointed sites. Those sites are also usually inspecting commercial fleets under time pressure, which is reflected in what they charge.

Does the CoF fee depend on the vehicle?

Yes. A heavy truck, a trailer and a passenger service vehicle are different inspections with different scopes and different amounts of time on a hoist, so the fee follows the class. When you ring for a price, give the vehicle class and configuration rather than asking what a CoF costs in general.

Do I pay again if the CoF fails?

Not if you return within 28 days to the same inspecting organisation, which can be another branch of the same company. That free recheck is the same rule that applies to a failed WoF. After 28 days it is treated and charged as a new inspection, and on a heavy vehicle waiting on parts that window closes faster than people plan for.

Is there a cheaper way to keep a CoF vehicle certified?

Not by shopping the inspection, which is a small part of the total. The money on a CoF vehicle is in the maintenance, and the cheapest approach is keeping the vehicle in condition between inspections so it passes first time. A vehicle that fails costs you the repair, the downtime and a return trip, and downtime on a working vehicle usually dwarfs the inspection fee.

Sources and verification

NZ Transport Agency Waka Kotahi. Warrant of Fitness, checked 2026-08-12.
NZ Transport Agency Waka Kotahi. Official vehicle and driver licensing information, checked 2026-08-12.
NZTA Vehicle Inspection Portal. In-service WoF and CoF — inspection and certification process, checked 2026-08-12.

Checked against the sources above. If something has changed, tell us.

Next step

Who needs one Certificate of Fitness Who a CoF applies to, and who does not need one at all. Continue Light vehicles WoF cost If your vehicle takes a warrant instead, pricing works the same way. Continue Ran out Expired certification No grace period, and $200 for using the vehicle uncertified. Continue

Warrant of FitnessWhat a Warrant of Fitness certifies, how often you need one, what happens when a vehicle fails, and what changes for most light vehicles from 1 November 2026. WoF expiry checkHow to check a Warrant of Fitness expiry date on the official NZTA service, what the result means, and why the next due date may not be what you expect.