In New Zealand, there is no law that outright bans a roofer from asking for full payment before finishing a job — but that doesn't mean you have to agree to it, and doing so carries real financial risk. Understanding how roofing contracts and payment terms work will help you protect yourself and ensure the job gets done properly.
What the Law Actually Says
New Zealand doesn't have a single piece of legislation that sets standard payment terms for residential building work. However, the Construction Contracts Act 2002 does govern payment claims and schedules on construction projects, including residential roofing work. Under this Act, contractors must follow a proper payment claim process, and homeowners have the right to respond with a payment schedule if they dispute an amount.
For consumer contracts, the Consumer Guarantees Act 1993 and the Fair Trading Act 1986 also apply. These laws require that services are carried out with reasonable care and skill, and that any representations made about the work are truthful. If a roofer demands full payment and then disappears or delivers substandard work, you may have legal remedies — but recovering money after the fact is far harder than protecting it in the first place.
Deposits: What's Reasonable?
A deposit is standard practice in the roofing trade, particularly when the contractor needs to order materials such as steel roofing, tiles, or membrane products upfront. A reasonable deposit is generally considered to be 10–30% of the total contract value, though this can vary depending on the size of the job and the cost of materials.
Be cautious if a roofer asks for more than 50% upfront before any work has started. While not automatically illegal, a very large upfront payment significantly increases your risk if the contractor fails to complete the work or goes out of business.
Progress Payments: The Safer Approach
For most roofing jobs of any significant size, progress payments tied to completed stages of work are the fairest arrangement for both parties. A typical payment structure might look like this:
| Stage | Payment Due |
|---|---|
| Contract signed / materials ordered | 20–30% deposit |
| Roof stripped and framing inspected | 20–30% |
| New roofing installed | 20–30% |
| Job completed and signed off | Final 10–20% |
This approach protects you as a homeowner while giving the roofer cash flow to keep the job moving. Always tie payments to physical milestones, not just dates on a calendar.
Red Flags to Watch Out For
Before signing any roofing contract, watch for these warning signs:
- Demanding 100% payment upfront before any work begins
- Pressure to pay cash with no written contract or receipt
- No written quote or vague scope of work
- Unwillingness to provide proof of insurance or references
- No mention of building consent requirements (some roofing work requires consent — check with your local council)
- Not registered or licensed — while roofing itself is not a licensed trade in NZ, any associated structural work may involve Licensed Building Practitioners
Your Rights as a Homeowner
You have the right to:
- Negotiate payment terms before signing a contract
- Request a written contract that clearly outlines the scope of work, materials, timeline, and payment schedule
- Withhold a retention amount (typically 5–10%) until the job is fully complete and any defects are remedied
- Dispute a payment claim under the Construction Contracts Act if you believe the amount is incorrect
Consumer NZ has useful guidance on your rights when hiring tradespeople, and it's worth reading before you sign anything.
Building Consents and Roofing Work
Some roofing work requires a building consent — for example, if you're changing the roof structure, adding a new roof over an existing one, or altering the roofline. Other work, such as like-for-like re-roofing, may be exempt under Schedule 1 of the Building Act 2004. However, always confirm with your local council before assuming consent isn't needed. MBIE Building Performance has guidance on what work requires consent.
If consent is required, the final code compliance certificate (CCC) is an important milestone — consider holding back part of your final payment until this is issued.
Protecting Yourself: Practical Tips
- Get at least three written quotes and compare them carefully
- Check that the contractor has public liability insurance
- Ask for references from recent local jobs and follow them up
- Never pay the full balance until you are satisfied the work is complete and tidy
- Keep copies of all contracts, invoices, and correspondence
- If something goes wrong, seek advice from Consumer NZ or consider the Disputes Tribunal (check the current jurisdictional limit with the Ministry of Justice)
When to Call a Professional
Roofing is skilled, physically demanding, and potentially dangerous work. Falls from roofs are a leading cause of serious injury in New Zealand — WorkSafe NZ has clear guidelines on working at height. Always hire a qualified, experienced roofer rather than attempting significant roof repairs yourself. You can find reputable local roofing contractors on tradedirectory.co.nz.
If your roofing project involves structural changes, a Licensed Building Practitioner may need to be involved, and any electrical work near the roof (such as solar panels or skylights with wiring) must be carried out by a registered electrician under the Electrical Workers Registration Board.
Roofing Association of NZ (RANZ)
Licensed Building Practitioner (LBP)
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