New South Wales Contractor Insurance Requirements (2026)
Short answer: In New South Wales, contractor insurance requirements follow the value of the job, not the size of your business. Home building compensation cover is compulsory on every residential project over $20,000 including GST, and it must be in place before work starts and before you take any payment, including the deposit. A separate contractor licence is required above $5,000 in labour and materials including GST — and at any value for specialist work.
Different NSW bodies sit behind those obligations, and confusing them is the most common mistake here. Licensing and the insurance attached to a licence come through Building Commission NSW, which is where the thresholds below are published. For how the home building compensation scheme itself works — who underwrites it, what it pays and the eligibility step you clear before buying cover for a job — NSW points you to the State Insurance Regulatory Authority. Income tax, GST and your ABN sit with the Australian Taxation Office. If you have not sorted the licence yet, start with New South Wales contractor licence requirements. Crossing the border changes the answers substantially — see Queensland contractor insurance requirements before you quote up there.
Do you need workers compensation insurance in New South Wales?
Only if you employ. This is the one obligation on this page that has nothing to do with the value of the job — it attaches to being an employer, and it runs on a separate track from your contractor licence. Building Commission NSW does not administer it.
Once you pay wages you need a workers insurance policy. NSW also exempts the smallest employers, below an annual wages threshold set by the scheme itself. Do not treat that exemption as a plain wages test. It carries conditions, and for a small builder the two most likely to remove it are taking on an apprentice or trainee, and being grouped with a related business you also control so the wage bills are added together.
The threshold figure moves, and it is published by icare and the State Insurance Regulatory Authority rather than on the licensing pages you used for the $5,000 and $20,000 lines. Confirm the current number and the conditions attached to it with icare or SIRA in the year you hire, rather than carrying a figure over from an older article. A casual on the books for two weeks over summer is still a worker whose wages count.
Is a NSW sole trader with no employees exempt?
From workers compensation, effectively yes — but not in the way most people mean by “exempt.” If you trade under your own ABN and employ nobody, there is no wage bill, so there is no policy to take out.
The part that surprises people is that you cannot buy that cover for yourself either. The NSW scheme does not treat a sole trader as a worker of their own business, so a workers insurance policy will not respond to your own injury. Check that with icare before you assume you are covered, because it is the assumption that costs the most when it turns out to be wrong.
What being a sole trader does not exempt you from is the rest of this page. Home building compensation cover is triggered by the value of the residential project, and the contractor licence by the value of the work — neither asks how many people you employ. A one-person operation doing a $60,000 bathroom needs the same cover as a ten-person firm doing the same job.
NSW law can also deem a lone subcontractor to be a worker of the business that hired them, under the Workplace Injury Management and Workers Compensation Act 1998. As the subbie that may give you a claim against the head contractor’s policy; as the head contractor those payments may need declaring as wages at premium time. The test is technical and the thresholds in it are not published on the licensing pages, so confirm your position with SIRA or icare rather than reasoning from a forum post.
When does home building compensation cover become compulsory?
At $20,000 including GST, per project. Building Commission NSW states you must obtain HBC cover for each home building project over $20,000 including GST — in place before you start work and before you take any payment, including a deposit.
Read that ordering carefully, because it is stricter than most trades assume. The NSW wording is not “before the job finishes” or even “before the first invoice” — it is before any money changes hands and before work starts. Taking a deposit first and arranging insurance afterwards is a breach, not a paperwork lag.
There is also a step before the policy. The scheme assesses builders for eligibility at the business level before they can take out cover for a specific project, and that assessment looks at financial capacity and can cap the value of work you are allowed to insure. Start it when you start quoting, not the week you want to break ground — and get the current process from SIRA, which is where NSW directs builders for how the scheme operates.
Note where this sits against the licensing threshold. A NSW contractor licence is required for residential building and trade work valued at more than $5,000 in labour and materials including GST. So there is a real band — roughly $5,000 to $20,000 — where you need a licence but not HBC cover.
| NSW threshold | What it triggers |
|---|---|
| Over $5,000 (labour + materials, incl. GST) | Contractor licence required |
| Over $20,000 (incl. GST) | HBC cover required before work starts or a deposit is taken |
| Any value — specialist work | Licence required regardless of price |
That last row matters if you are in a specialist trade. Electrical work, plumbing, draining and gasfitting, air conditioning and refrigeration, medical gas and mechanical services, and disconnecting or reconnecting fixed electrical equipment all require a NSW licence regardless of job value. A $200 job is still licensed work.
Who provides HBC cover in NSW, and who regulates it?
These are different bodies, and the split trips people up. Building Commission NSW runs licensing and is the body that makes the cover compulsory — it publishes the $5,000 and $20,000 lines and the categories of work. SIRA, the State Insurance Regulatory Authority, is the authority NSW sends builders to for the home building compensation scheme itself: who underwrites it, how eligibility is assessed, and what a claim pays. icare is the state insurer you will deal with on the workers compensation side.
Practically, that means two different websites answer two different questions, and asking the wrong one is why NSW builders get contradictory answers. “Do I need cover for this job?” is a Building Commission NSW question. “How much does the scheme pay and what am I eligible to insure?” is a SIRA question.
HBC cover protects the homeowner as a last resort if you cannot complete the work or fix defects. It is not your liability cover — it exists for the person who hired you, and the insurer can pursue you afterwards. The scheme carries a cap per claim and defined warranty periods for major and non-major defects. Those figures have been adjusted over time and are not published on the licensing pages, so read the current ones directly from SIRA rather than from a builder forum or an article like this one.
Is public liability insurance a condition of your NSW licence?
Not as a licence condition. The insurance Building Commission NSW attaches to a contractor licence is HBC cover — public liability does not appear in that list.
In practice this is a distinction without much difference. Head contractors, strata committees and most councils will not let you on site without a certificate of currency. NSW does not make you carry it; the market does. Keep a current copy where you can send it in thirty seconds — chasing it is a quiet reason quotes stall, worth reading alongside how to get clients to pay.
Does New South Wales require a bond or security deposit?
No. Building Commission NSW’s insurance page lists home building compensation cover, professional indemnity for design practitioners and engineers, and the 2027 indemnity rule for registered building practitioners — a contractor bond or security deposit is not among them. NSW delivers consumer protection through the compensation scheme instead, funded by the premium you pay per project.
Your equivalent hurdle is the scheme’s eligibility assessment, which looks at your financial capacity and sets limits on the value of work you can insure. That is a real constraint on growth: a NSW builder can be turned down for a project not because the job is unlawful but because the scheme will not underwrite it at that size yet. If you are planning a step up in project value, raise it with SIRA before you sign.
What changes for registered building practitioners from 2027?
Building Commission NSW states that from 1 July 2027, registered building practitioners must be indemnified under an insurance policy for the work they carry out as a registered building practitioner. You will see 1 July 2026 quoted in secondary write-ups. The official NSW page says 2027 — use that, and check again closer to the date, because a start date that has already been reported wrongly once can move again.
This sits alongside a requirement that already applies to a different group: design practitioners and professional engineers must hold professional indemnity insurance, whether through their own policy, a partnership policy or their employer’s. If you are a builder who also certifies design work, check which of the two categories you fall into — the obligations are not interchangeable, and neither of them is home building compensation cover.
What records prove you were covered?
Every obligation here is proved by a dated document: the HBC certificate you gave the homeowner before taking the deposit, the certificate of currency, your wage records, and the invoices showing what each project was worth against the $5,000 and $20,000 lines.
That last one is what people lose. The threshold is measured on job value including materials and GST, so your quotes, variations and supplier receipts are the evidence for which side of the line a job fell on. Keel keeps that trail: PDF invoices with your own numbering and logo, receipt capture read on-device with Apple Intelligence, a mileage log, and an append-only hash-chained ledger. Everything stays on the iPhone — no account, no bank connection, no cloud, App Store privacy label “Data Not Collected.” Free covers unlimited invoices, receipts and mileage; Keel Pro is a one-time $249.99 lifetime purchase.
Keel is a record keeper, not a compliance tool. It will not apply for your licence, buy HBC cover or lodge a BAS. It makes the paperwork retrievable when Building Commission NSW, icare or your accountant asks — the point of a proper contractor receipt organizer.
Frequently asked questions
Do I need HBC cover for a $15,000 bathroom renovation in NSW?
No. HBC cover applies to residential projects over $20,000 including GST, so a $15,000 job sits under the line. You still need a contractor licence, because that threshold is $5,000 including labour, materials and GST. Do not split a larger job into stages to duck the $20,000 figure — project value counts, not invoice value.
Can I take a deposit while my HBC certificate is being issued?
No. NSW requires cover to be in place before you start work and before any money is paid to your business, including the deposit. Because the scheme assesses builders for eligibility before they can buy cover for a specific project, this has to start well before the job does. Build the eligibility step into your quoting timeline rather than your start-of-work checklist, and confirm the current process with SIRA.
I am a NSW sole trader with no staff. Do I need any insurance at all?
Legally, HBC cover on any residential project over $20,000 including GST — that threshold applies regardless of business size. Workers compensation does not apply, because you have no wage bill and the scheme does not treat you as a worker of your own business. Public liability is not a NSW licence condition but is demanded by most head contractors and many homeowners, so treat it as commercially compulsory even though it is not legally required.
Does my workers compensation policy cover me if I am injured?
No. The NSW scheme does not treat a sole trader as a worker of their own business, so a workers insurance policy taken out by that business will not respond to your own injury. If you are hurt on a job for a head contractor, the deemed worker provisions in the Workplace Injury Management and Workers Compensation Act 1998 may give you a claim against their policy instead. Otherwise you are in the private income protection market. Confirm your own position with icare before relying on either route.
Who do I contact if I am not sure which rule applies?
Building Commission NSW, through nsw.gov.au, for licensing, the categories of specialist work and whether a job crosses the $20,000 line. SIRA for how the home building compensation scheme works, eligibility and what a claim pays. icare for workers insurance and your position as a sole trader. The ATO for GST and income tax, which are federal and identical across every Australian state, so do not look for a NSW answer there.
Is HBC cover the same as builders warranty insurance?
It is the NSW version of the same idea, but names, thresholds and providers differ by state, so do not carry assumptions across a border. NSW calls it home building compensation cover, sets the threshold at $20,000 including GST per project, requires it before work starts and before any payment, and directs builders to SIRA for how the scheme runs. Other states use different names and very different thresholds.
This article is general information, not legal or tax advice. Rules change — confirm with the authority named above.
How do I bill for it?
Starting properly
No account, no sign-in, no setup call.
Keel opens straight into a private ledger on your iPhone. The App Store privacy label is Data Not Collected, and it is free to start.
On-device · No account · Data Not Collected