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New South Wales · 2025

TRADE GUIDES — NEW SOUTH WALES

Licensing requirements, statutory warranty periods, key legislation, and cost benchmarks for trade work in New South Wales.

LICENSING REQUIREMENTS

TradeLicence type requiredIssuing authority
ElectricalElectrician licence (A-grade or B-grade) + electrical contractor licenceNSW Fair Trading
PlumbingPlumber and/or drainer licence + plumbing contractor licenceNSW Fair Trading
BuildingContractor licence (builder or supervisor) — required for residential building work over $5,000NSW Fair Trading
Gas fittingGas fitting contractor licence + gas fitter licenceNSW Fair Trading
Air conditioningAir conditioning and refrigeration contractor licence + ARC refrigerant handling authorisation (federal); electrical work requires electrician licenceNSW Fair Trading + Australian Refrigeration Council
RoofingRoof plumbing licence for metal roofing involving plumbing work; builder contractor licence for structural roofing. [verify exact requirement for non-plumbing roofing]NSW Fair Trading
PaintingPainting contractor licence required to carry out painting work for payment as a contractor in NSWNSW Fair Trading

Licence requirements apply to contractors performing work for payment. Always verify current requirements with the issuing authority before engaging a trade. Items marked [verify] should be confirmed against current legislation.

WARRANTY PERIODS — RESIDENTIAL BUILDING WORK

Structural defects

6 yr

6 years for major defects from the date of completion of the residential building work (as amended 2012; previously 7 years for structural defects).

Non-structural

2 yr

2 years for defects that are not major defects, from the date of completion.

Key legislation

Home Building Act 1989 (as amended); Environmental Planning and Assessment Act 1979

NSW requires Home Building Compensation Fund (HBCF) cover for most residential work over $20,000. This covers homeowners if the builder becomes insolvent, dies, or disappears. Disputes are lodged with NSW Fair Trading, with possible referral to the NSW Civil and Administrative Tribunal (NCAT).

KEY LEGISLATION

Home Building Act 1989

Core legislation governing residential building work in NSW. Establishes statutory warranties, licensing requirements, and insurance obligations. Major defect warranty of 6 years.

Environmental Planning and Assessment Act 1979

Governs development applications, building approvals, and compliance certificates in NSW. Administered by local councils and the NSW Department of Planning.

Electricity (Consumer Safety) Act 2004

Governs electrical safety requirements and the sale and supply of electrical articles in NSW.

Gas Supply Act 1996

Governs the supply and use of natural gas in NSW, including safety requirements for gas installations.

Plumbing and Drainage Act 2011

Governs plumbing and drainage standards and licensing in NSW.

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Track legislative changes across all states on the Trade Legislation Tracker.

COST GUIDES — TYPICAL PRICE RANGES

Indicative 2025 market rates for New South Wales. Actual prices vary by scope, location, and contractor. Always obtain multiple quotes.

Electrician — call-out / first hour

$140–$230

per call-out

Electrician — hourly rate

$90–$180

per hour

Plumber — call-out / first hour

$150–$250

per call-out

Plumber — hourly rate

$100–$200

per hour

Switchboard upgrade

$1,400–$4,000

per job

Hot water system — supply and install (heat pump)

$2,800–$5,000

per job

Split system air conditioning — supply and install (3–5kW)

$1,400–$3,500

per job

Roofing — Colorbond replacement

$60–$130

per m²

Painting — interior walls

$22–$45

per m²

Painting — exterior full repaint

$28–$55

per m²

Bathroom renovation (full)

$15,000–$45,000

per job (varies by scope)

Other states

WAVICQLDSATASNTACT

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Steadyhand · New South Wales trade guide · 2025 · Indicative only. Verify licence requirements and warranty periods with the relevant state authority.