New South Wales is a tightly layered regime: the right Fair Trading licence, SOPA for progress claims, workers' comp through icare, a long-service levy on bigger jobs, SafeWork priorities, and extra rules for strata and apartments. Here is what operating in NSW actually means, with links to the detail. (Figures are indicative 2025-26 — confirm current.)
Licensing
You need a NSW Fair Trading contractor licence to contract residential building work where labour plus materials exceed $5,000 (incl GST), and specialist work — electrical, plumbing/drainage/gasfitting, air-con/refrigeration — needs a licence regardless of value (including commercial). Each company or partnership needs its own licence and a nominated qualified supervisor matching the class of work. Unlicensed work risks fines up to $110,000 and you cannot recover payment in court. It all sits under the Home Building Act 1989, with mandatory written contracts and statutory warranties (6 years for major defects, 2 years for others — you cannot contract out). See NSW Contractor Licensing, Residential Contracts & the ACL and Statutory Warranties & Defects.
Home warranty (HBCF)
Home Building Compensation Fund cover is required for most residential jobs over $20,000 (and multi-unit work) — arranged through an approved insurer before you take any deposit or payment, and before you start work (minimum cover of $340,000). See Home Warranty Insurance.
Getting paid (SOPA)
The Building and Construction Industry Security of Payment Act 1999 gives you a statutory "pay now, argue later" right: serve a payment claim, and if the respondent does not serve a valid payment schedule in time, you can pursue adjudication and judgment. "Pay when paid" clauses are void, and the deadlines are strict — diarise them. See NSW Security of Payment and Security of Payment Explained.
Workers' comp (icare)
If you employ, you generally must hold Workers Insurance through icare (Insurance & Care NSW). The premium is built from your estimated wages × your ANZSIC industry risk rate × your claims experience — declare estimated wages up front, reconcile the actuals, and good return-to-work lowers future premiums. See Workers' Compensation.
WHS (SafeWork NSW)
SafeWork NSW's 2025-26 priorities are falls from heights, psychosocial risks (including sexual harassment), hazardous substances, mobile plant, and harms in health/social assistance. For construction that means edge protection, scaffold and harnesses, silica and dust control, and traffic management around plant — backed by active prosecution where failures cause serious harm. See Model WHS & PCBU Duties and WHS Regulators, Notices & HSRs.
The NSW Long Service Levy
A 0.25% levy on the total cost of building work (incl GST) applies at or above $250,000 (incl GST) (from 1 January 2023), administered by the Long Service Corporation and generally paid before construction starts (usually by the person applying for approval). It funds portable long-service benefits — see Portable Long Service Leave.
Strata and Class 2 (apartments)
Apartment and strata work brings the Design and Building Practitioners Act 2020 (registration of designers, engineers and builders on Class 2 work) and the Strata Building Bond and Inspections Scheme — for new residential strata of 4+ storeys the developer lodges a building bond (originally 2% of the contract price; 3% for new bonds from 1 February 2024), inspected at around 12 and 18 months. Strata renovations are cosmetic, minor or major, with escalating owners-corporation approval.
Common mistakes
- Doing specialist (electrical/plumbing/gas) work without a licence because the job is "under $5,000" — the threshold does not apply to specialist work.
- Missing the HBCF requirement on a $20k+ residential job.
- Blowing a SOPA deadline and losing the "pay now, argue later" advantage.
- Forgetting the 0.25% long-service levy on a $250k+ job.
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