Disputes with tradespeople are stressful, but New Zealand homeowners have clear legal rights and a well-defined pathway to resolution. Whether the issue is poor workmanship, an incomplete job, or a billing disagreement, knowing your options — and following the right steps in the right order — gives you the best chance of a fair outcome without costly litigation.
Start With the Basics: Get Your Documentation Together
Before you do anything else, gather every piece of paperwork related to the job:
- Written quotes and contracts (including any variations agreed during the work)
- Invoices and receipts
- Text messages, emails, and any written communication
- Photographs of the work — both the problem areas and the overall site
- Manufacturer specifications or product data sheets if materials are in question
Good documentation is the foundation of any successful dispute. If you did not get a written contract at the start — a common situation in NZ — your quotes, emails, and texts still form a record of what was agreed. Going forward, always get multiple quotes from qualified tradespeople and confirm the scope of work in writing before any job begins.
Step 1: Raise the Issue Directly With the Tradesperson
The first step is always a calm, direct conversation. Most disputes in NZ are resolved at this stage. Contact the tradesperson — ideally in writing so there is a record — and clearly describe:
- What the specific problem is
- Why you believe it falls short of what was agreed or what is a reasonable standard
- What remedy you are seeking (repair, redo, or a reduction in price)
- A reasonable timeframe for their response (7–14 days is standard)
Keep the tone professional. Tradespeople who care about their reputation will generally want to fix a genuine problem. If they are a member of a trade association (see below), they also have professional obligations to uphold.
Step 2: Know Your Legal Rights
New Zealand law gives consumers strong protections when hiring tradespeople.
Consumer Guarantees Act 1993 (CGA)
The Consumer Guarantees Act is your most powerful tool. When you hire a tradesperson as a consumer (i.e., for personal or household purposes), the work must be:
- Carried out with reasonable care and skill
- Fit for purpose
- Completed within a reasonable time (if no timeframe was set)
If the work does not meet these guarantees, you are entitled to have it remedied. If the tradesperson refuses or cannot fix it, you may be entitled to have someone else do the work and recover the cost.
Fair Trading Act 1986
The Fair Trading Act covers misleading conduct — for example, if a tradesperson misrepresented their qualifications, the materials they would use, or the scope of work.
Contract and Commercial Law Act 2017
For larger or commercial jobs, your rights may rest more on the terms of your contract. This is another reason why a clear written agreement matters.
Step 3: Escalate to a Trade Association or Licensing Body
If direct negotiation fails, check whether the tradesperson belongs to a professional body. Many have formal complaints processes:
| Trade | Licensing / Association Body |
|---|---|
| Electricians | Electrical Workers Registration Board (EWRB) |
| Plumbers, gasfitters & drainlayers | Plumbers Gasfitters & Drainlayers Board (PGDB) |
| Licensed building practitioners | Licensed Building Practitioners (LBP) |
| Builders (voluntary) | Registered Master Builders, Certified Builders |
For licensed trades — electrical, plumbing, gasfitting, and drainlaying — these are legally restricted work that must be performed by a licensed professional. If unlicensed work was carried out, that is itself a serious breach you should report to the relevant board. The EWRB and PGDB both have formal complaints and disciplinary processes.
For building work carried out by an LBP, you can lodge a complaint with the LBP scheme, which can investigate and impose sanctions.
Step 4: Use Mediation or Disputes Tribunal
If the complaint process does not resolve things, you have two main formal options:
Mediation
Mediation is a voluntary, confidential process where a neutral third party helps both sides reach an agreement. It is faster and cheaper than going to court. Some trade associations offer mediation as part of their dispute resolution service.
Disputes Tribunal
The Disputes Tribunal (sometimes called the "small claims tribunal") is the most common formal route for homeowners in NZ. It handles claims and is designed to be accessible without a lawyer. You can find information on filing a claim through the Ministry of Justice. The Disputes Tribunal can order a tradesperson to remedy work, pay compensation, or refund money.
For larger claims that exceed the Disputes Tribunal's jurisdiction, the District Court or High Court may be necessary — at that point, legal advice is strongly recommended.
Step 5: Report to Consumer NZ or Your Council
Consumer NZ provides free guidance on your rights and can sometimes assist with escalating complaints. If the dispute involves building work that may not comply with the NZ Building Code — for example, concerns about weathertightness (Building Code clause E2), structure (B1), or durability (B2) — contact your local council's building department. Councils have powers to investigate non-compliant building work.
Always confirm with your council whether the work required a building consent and whether a Code Compliance Certificate (CCC) was obtained. Some work is exempt under Schedule 1 of the Building Act, but your council is the authoritative source on what applies to your specific situation.
How to Choose and Vet a Tradesperson (Prevention Is Better Than Cure)
The best dispute is the one that never happens. Before hiring:
- Check qualifications and references — ask for examples of similar work and speak to past clients
- Get multiple quotes in writing, with a clear scope of work
- Confirm licensing — verify electricians on the EWRB register and plumbers/gasfitters on the PGDB register
- Check LBP status for building work at the LBP website
- Use quality materials suited to NZ conditions — NZ's climate varies significantly from north to south, with coastal areas, high UV, and high rainfall all affecting material choices and long-term durability
- Plan your budget carefully, including a contingency allowance for unexpected issues
- Understand building consent requirements for your project before work starts — confirm with your local council
When to Call a Professional
Some situations require expert help from the outset:
- Electrical, plumbing, gasfitting, and drainlaying work — these are legally restricted trades in NZ. Only licensed professionals may carry out this work. Attempting DIY on restricted work is illegal and dangerous. Verify credentials via the EWRB or PGDB.
- Structural building work — consult an LBP or structural engineer; check MBIE Building Performance for guidance.
- Complex disputes involving significant money — engage a lawyer experienced in construction law.
- Health and safety concerns — if work has created an immediate hazard, contact WorkSafe NZ.
You can find qualified, vetted local tradespeople through tradedirectory.co.nz — a great starting point for getting multiple quotes and checking credentials before any work begins.
Sources & Further Reading
- MBIE Building Performance — NZ Building Code and consent guidance
- Consumer NZ — your rights when hiring tradespeople
- Licensed Building Practitioners — verify LBP status and lodge complaints
- Electrical Workers Registration Board — verify electrician licences
- Plumbers Gasfitters & Drainlayers Board — verify licences and complaints
- WorkSafe NZ — reporting unsafe work

