What can I do if a company ignores my complaint letter in New Zealand?

If a business doesn't respond within your stated deadline, your next steps depend on the industry. For telecommunications, file with Telecommunications Dispute Resolution (TDR). For banks and insurers, contact the Banking Ombudsman Scheme or the Insurance & Financial Services Ombudsman (IFSO). For energy and gas, go to Utilities Disputes Ltd. For general consumer disputes, file a claim at the Disputes Tribunal (disputes.govt.nz) — it costs as little as NZD 45 and no lawyer is needed. You can also report the business to the Commerce Commission at comcom.govt.nz, though that won't resolve your individual dispute directly.

Do I need a lawyer to write a complaint letter in New Zealand?

No — and for most consumer disputes, involving a lawyer at the complaint letter stage is overkill. The Consumer Guarantees Act 1993 and Fair Trading Act 1986 are written in plain language and the Disputes Tribunal specifically excludes lawyers from hearings. Community Law Centres across New Zealand (communitylawhelp.org.nz) offer free legal advice if you're unsure about your rights, and Consumer Protection NZ (consumerprotection.govt.nz) has plain-English guidance on most common disputes.

How long does a business have to respond to a complaint in New Zealand?

There's no single statutory deadline that applies to all complaints, but 10 to 20 business days is the widely accepted standard in New Zealand — and most industry codes of practice reflect this. Some sectors have specific requirements: banks operating under the Banking Ombudsman Scheme, for example, must respond within 20 working days before a customer can escalate to the Ombudsman. State your own deadline clearly in the letter and stick to it.

Can I get a full refund under the Consumer Guarantees Act, or just a repair?

It depends on whether the fault is 'major' or 'minor' under the Consumer Guarantees Act 1993. A major failure — one where you wouldn't have bought the product had you known, or one that can't be fixed within a reasonable time — entitles you to a full refund or replacement of your choice. A minor failure gives the supplier the right to repair first. If they fail to fix a minor fault in a reasonable time, it escalates to a major failure and you can then demand a refund. Don't accept a repair offer for what is clearly a major failure.

Is there a cost to file a complaint with the Disputes Tribunal in New Zealand?

Yes, but it's modest. Filing fees at the Disputes Tribunal range from NZD 45 for claims up to NZD 2,000, to NZD 180 for claims between NZD 15,000 and NZD 30,000. The Tribunal can hear claims up to NZD 30,000 (NZD 15,000 for some categories). Hearings are informal, conducted in plain English, and lawyers are not permitted to represent parties — making this genuinely one of the most accessible dispute resolution options in the country.

What if my complaint is about a landlord or rental property issue in New Zealand?

Rental disputes fall under the Residential Tenancies Act 1986 and are handled by the Tenancy Tribunal, not the Disputes Tribunal or Commerce Commission. You can apply online at tenancy.govt.nz. Filing fees are NZD 20.44 for most applications. The Tenancy Tribunal can order landlords to carry out repairs, return bonds held by Tenancy Services (formerly the Bond Centre), or pay compensation for breaches. A formal written complaint to your landlord, referencing the Residential Tenancies Act, is still the recommended first step before filing.

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How to Write a Formal Complaint Letter in New Zealand

Whether you've been sold a faulty appliance, hit with hidden fees, or ignored by a tradesperson who never finished the job — a well-drafted complaint letter is often the fastest way to get your money back. New Zealand has some of the most consumer-friendly legislation in the Asia-Pacific region, but that legal framework only works if you know how to use it. This guide walks you through every step, with the specific laws, deadlines, and institutions that actually matter here.

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20 days

Typical deadline for a trader to respond before escalation under NZ consumer law

$30,000

Maximum claim in the Disputes Tribunal — no lawyers required

3 years

General limitation period to bring a consumer claim in New Zealand

When Should You Send a Formal Complaint Letter in New Zealand?

A retailer refuses to honour a refund or repair under the Consumer Guarantees Act 1993, claiming the fault was your fault when it wasn't
A tradesperson — plumber, electrician, builder — completed work that is substandard or left the job unfinished after accepting payment
You were misled by an advertisement or sales rep about a product's features, price, or terms, potentially breaching the Fair Trading Act 1986
A telecommunications or energy provider has billed you incorrectly or failed to deliver the service level promised in your contract
A landlord has withheld your bond without legal justification or failed to carry out urgent repairs within a reasonable timeframe
A financial services provider, such as a bank or insurer, has declined a claim or applied fees that weren't disclosed in your agreement
A government agency or council has made an administrative decision you believe is incorrect, unreasonable, or contrary to published policy
A healthcare provider or medical practice has caused harm or failed to meet the standards set out in the Code of Health and Disability Services Consumers' Rights

New Zealand's Consumer Protection Legal Framework

New Zealand's consumer law sits on two central pillars: the Consumer Guarantees Act 1993 (CGA) and the Fair Trading Act 1986 (FTA). Together they give consumers automatic rights that cannot be signed away in a contract — a point many businesses conveniently forget to mention. The Commerce Commission, as the primary enforcement body, takes misleading conduct seriously, and a documented paper trail starting with a formal complaint letter significantly strengthens any escalation.

Consumer Guarantees Act 1993

Guarantees that goods must be of acceptable quality, fit for purpose, and match their description. Remedies include repair, replacement, or full refund — the choice of remedy depends on whether the failure is major or minor. Applies to all goods and services supplied to consumers in trade.

Fair Trading Act 1986

Prohibits misleading and deceptive conduct, false representations, and unfair contract terms. Breaches can be reported to the Commerce Commission of New Zealand. Companies found in breach face fines of up to NZD 200,000 for individuals and NZD 600,000 for bodies corporate.

Disputes Tribunal

Handles claims up to NZD 30,000 (or NZD 15,000 for some claim types). Filing fees range from NZD 45 to NZD 180 depending on the amount claimed. No lawyers are permitted to appear, making it genuinely accessible — and it's where most unresolved complaint letters end up.

Limitation Act 2010

Most consumer claims must be filed within three years of the date you became aware of the problem. Don't sit on a grievance — a formal complaint letter sent promptly also helps establish that timeline.

Retail Industry Ombudsman / Sector Schemes

Several industries operate free dispute resolution schemes: Utilities Disputes Ltd for power and gas, the Banking Ombudsman Scheme for financial services, and Telecommunications Dispute Resolution for telcos. These are free to consumers and must be attempted before escalating to court in many regulated sectors.

Health and Disability Commissioner Act 1994

If your complaint involves a health or disability service provider, the Health and Disability Commissioner (HDC) investigates breaches of the Code of Rights. Complaints to the HDC are free and can result in formal findings, apologies, or referrals to the Director of Proceedings.

Primary sources: Consumer Guarantees Act 1993 (NZ), Fair Trading Act 1986 (NZ), Limitation Act 2010 (NZ), Disputes Tribunal Act 1988 (NZ), Health and Disability Commissioner Act 1994 (NZ). All accessible at legislation.govt.nz. Figures verified against public sources as of April 2026; always check official websites for latest amounts, deadlines, and jurisdictional rules before taking action.

How to Write a Complaint Letter in New Zealand: Step by Step

A complaint letter that actually gets results isn't just a vent — it's a structured legal document that signals you know your rights and are prepared to act. Follow these steps in order. Skipping ahead rarely saves time.

1
Gather Every Piece of Evidence Before You Write a Word
Pull together your receipts, contracts, invoices, text messages, emails, photos of defective goods, and any warranties or product descriptions. In New Zealand, the Consumer Guarantees Act requires that a product be of 'acceptable quality' — but 'acceptable' is assessed against what a reasonable consumer would expect, so concrete evidence showing what was promised versus what was delivered is your strongest asset. Don't rely on memory when you have documentation. Frankly, most people skip this step — don't be one of them.
💡 Tip: Screenshot any online listings or advertisements that describe the product or service, as these can disappear quickly once a dispute begins.
2
Attempt an Informal Resolution First
Before sending a formal letter, make one direct, documented attempt to resolve the issue — a phone call or in-person visit where you clearly state the problem and what remedy you want. Note the date, the name of the person you spoke to, and the outcome. This isn't just good practice; some sector dispute resolution schemes (including Utilities Disputes Ltd) require evidence that you've tried to resolve the matter directly with the company before they'll accept your case.
💡 Tip: Follow up any phone conversation with a brief email summarising what was discussed. This creates a timestamped record and demonstrates good faith.
3
Identify the Correct Recipient and Legal Basis
Address the letter to the company's complaints manager or, for larger organisations, their legal or customer resolution team — not just 'To Whom It May Concern.' Reference the specific legislation that applies: the Consumer Guarantees Act 1993 if the goods or services were faulty, or the Fair Trading Act 1986 if you were misled. Using precise legal references immediately shifts the tone of the correspondence and makes clear this isn't a casual gripe.
💡 Tip: Check the company's website for a dedicated complaints process. Some NZ businesses, particularly banks and insurers, are required by their licensing conditions to have one.
4
Draft the Letter with a Clear Structure and Specific Demands
Open with a factual account of what happened — dates, amounts, product descriptions. Then state which of your rights have been breached and under which law. Most importantly, be explicit about what you want: a full refund of NZD 349, a replacement unit, completion of the work by a specific date, or written confirmation of a corrected billing arrangement. Give a firm but reasonable deadline for their response — 10 to 20 business days is standard in New Zealand. And always state that if no satisfactory resolution is reached, you intend to escalate to the relevant authority (the Commerce Commission, the Banking Ombudsman, the Disputes Tribunal, and so on).
💡 Tip: Keep the tone professional and factual throughout. Angry letters are easier to dismiss — measured ones are harder to ignore.
5
Send the Letter in a Way You Can Prove
Email is perfectly acceptable and provides an automatic timestamp and read-receipt trail. If you're sending by post, use New Zealand Post's tracked delivery service so you have proof of dispatch and receipt. For high-value disputes — anything over NZD 1,000 — consider sending both email and a physical copy to the company's registered office address, which you can find on the Companies Office register at companies.govt.nz.
6
Follow Up and Escalate if There's No Response
If you haven't received a substantive response within your stated deadline, send a brief follow-up referencing your original letter and confirming your intention to escalate. At this point, depending on the industry, you would file with the relevant scheme: Telecommunications Dispute Resolution, the Banking Ombudsman Scheme, Utilities Disputes Ltd, or the Health and Disability Commissioner. For general consumer disputes, lodging a claim with the Disputes Tribunal costs between NZD 45 and NZD 180 and can be done online at disputes.govt.nz — no legal representation needed.
💡 Tip: The Commerce Commission doesn't resolve individual disputes, but reporting a business to them at comcom.govt.nz adds to their intelligence on repeat offenders and can trigger investigations.

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What to Include in Your New Zealand Complaint Letter

✓

Your Contact Details and Account Reference

Full name, postal address, email, phone number, and any customer or account reference numbers. This prevents the company from claiming they couldn't identify your account — a delay tactic that's more common than you'd think.

✓

A Chronological Account of Events

Set out exactly what happened, in order, with specific dates and amounts. For example: 'On 3 March 2026, I purchased a Samsung washing machine for NZD 1,199 from your Newmarket store (receipt #44921). By 15 March, the drum had stopped spinning.' Specificity is credibility.

✓

The Legal Basis for Your Complaint

Cite the relevant statute — for example, 'Under section 6 of the Consumer Guarantees Act 1993, goods supplied to a consumer must be of acceptable quality.' You don't need to be a lawyer to do this; citing the law by name signals that you're informed and serious.

✓

A Specific, Measurable Remedy

State exactly what you want — a full refund, a replacement product, completion of the contracted work, or compensation for a specific loss such as the cost of hiring a plumber to fix work that wasn't done properly. Vague demands produce vague responses.

✓

A Firm Response Deadline

Give the company 10 to 20 business days to respond in writing. State clearly that failure to respond within this period will result in escalation to the Disputes Tribunal or the relevant industry ombudsman. This isn't a threat — it's a roadmap.

✓

A List of Attached Evidence

Reference each piece of supporting documentation at the end of the letter: 'Attachment 1: Tax invoice dated 3 March 2026; Attachment 2: Photographs of defective drum mechanism; Attachment 3: Email exchange with customer service, 10–12 March 2026.' A well-organised attachment list makes your letter much harder to dismiss.

Common Mistakes That Undermine Complaint Letters in New Zealand

✗Sending a complaint without attempting direct resolution first

→Most NZ sector dispute schemes won't accept your case unless you can show you tried to resolve the matter with the business first. One documented attempt — even a brief email — satisfies this requirement and strengthens your position.

✗Threatening legal action without following through

→Businesses receive vague threats constantly and know which ones are empty. If you state you'll escalate to the Disputes Tribunal or the Commerce Commission, mean it — and say so with a specific timeframe, such as 'within 15 business days of this letter.'

✗Accepting a store credit when you're entitled to a refund

→Under the Consumer Guarantees Act 1993, if a failure is major, you are entitled to a full refund — not a voucher, not a store credit. A business cannot legally substitute one for the other without your agreement. Know the difference between a major and minor failure before you accept anything.

✗Waiting too long to complain

→The Limitation Act 2010 gives you three years from when you knew — or ought to have known — about the problem. But waiting even a few months weakens your case practically: memories fade, staff move on, and businesses can claim the product was working when it left their premises. Write the letter within days of the incident where possible.

✗Writing an emotional letter instead of a factual one

→Expressing frustration is understandable, but letters that lead with anger rather than facts are easier for complaints departments to sidestep. Structure your letter around what happened, what law was breached, and what you want — keep the emotion out of it entirely.