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How many watering zones will the system need?
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$2,500 – $7,700
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Irrigation specialists based in each state and territory.
- Western Australia60irrigation specialists based here
- New South Wales29irrigation specialists based here
- Queensland16irrigation specialists based here
- Victoria16irrigation specialists based here
- South Australia6irrigation specialists based here
- Tasmania2irrigation specialists based here
- Australian Capital Territory0irrigation specialists based here
- Northern Territory0irrigation specialists based here
Every region in Australia
All 44 regions, grouped by state, capital city first. Numbers are irrigation specialists based there.
Western Australia
New South Wales
15 regions
Queensland
Victoria
South Australia
3 regions
Tasmania
2 regions
Most Popular Suburbs
- 01
Attunga
2 providers
Browse location - 02
Bayswater
2 providers
Browse location - 03
Gateshead
2 providers
Browse location - 04
Margaret River
2 providers
Browse location - 05
2454
1 providers
Browse location
Top-rated irrigation specialists in Australia
Learn the rules for hiring irrigation specialists in your state
Licences, contracts and deposits for irrigation work differ across the country. Check yours before you sign.
| Rule | NSW | VIC | QLD | SA | WA | TAS | NT | ACT |
|---|---|---|---|---|---|---|---|---|
| LicenceWhat the register calls it | Contractor licence (water plumbing - urban irrigation) | Plumbing registration or licence (irrigation (non-agricultural) work) | Contractor licence (Irrigation) | Plumbing contractors licence | Plumbing contractor's licence | Plumbing contractor licence | Advanced tradesman licence (plumbing) | Plumber licence |
| Licence needed fromJob value that triggers it | Any job value1 | Any job value2 | Over $3,3003 | Depends on the work4 | Depends on the work5 | Depends on the work6 | Depends on the work7 | Any job value8 |
| Check the registerThe official public register | Building Commission NSW register | Building and Plumbing Commission register | Queensland Building and Construction Commission register | Consumer and Business Services register | Building and Energy (WA Department of Local Government, Industry Regulation and Safety) register | Official register | Official register | Access Canberra — ACT Construction Occupations Registrar register |
| Written contractRequired above | Over $5,000 · large job contract over $20,0009 | Over $10,00010 | Over $3,300 · Level 2 regulated contract (full written contract) from $20,000 | From $20,000 | Over $7,500 | From $20,000 | Does not apply | Does not apply |
| Deposit capMost you can be asked for | Up to 10%119 | Not listed | Not listed | Up to 5%12 | Up to 6.5%13 | Not listed | Does not apply | Does not apply |
| Warranty insuranceBuilder must hold it above | Over $20,000 · minimum cover $340,0009 | Over $20,00010 | Does not apply | From $20,000 · minimum cover $250,000 | Does not apply | Does not apply | Does not apply | Does not apply |
| Cooling-offAfter you sign | 5 business days · on contracts over $20,000149 | 5 business days · on contracts over $10,00010 | 5 business days · on contracts over $3,300 | 5 business days · on contracts over $20,000 | Does not apply | 5 business days · on contracts over $20,000 | Does not apply | Does not apply |
- 1NSW · Licence needed from: Only systems connected to a water main need this licence. Systems fed only by a tank or bore do not.
- 2VIC · Licence needed from: Irrigation connected to the water supply needs a plumber registered or licensed for irrigation work.
- 3QLD · Licence needed from: Irrigation has its own licence class. Smaller jobs inside a bigger licensed contract still need a licence.
- 4SA · Licence needed from: Pipes connected to mains water need a registered plumber, apart from small outdoor pipes.
- 5WA · Licence needed from: Only connecting to the water supply, up to the backflow valve, needs a licensed plumber.
- 6TAS · Licence needed from: A household irrigation system is low-risk plumbing an owner or competent person can install. A testable backflow device needs a licensed plumber.
- 7NT · Licence needed from: The system needs a licensed plumber only when it connects to the mains water supply.
- 8ACT · Licence needed from: A licensed plumber must connect irrigation to the water supply.
- 9NSW · You get these protections for irrigation plumbing connected to a water main.
- 10VIC · A contract just for irrigation plumbing does not get these protections. A bigger building job that includes it does.
- 11NSW · Deposit cap: Applies at any price to systems on a water main. For tank-only or bore-only systems, it applies to jobs over $5,000.
- 12SA · Deposit cap: Applies only to licensed plumbing work on contracts of $20,000 or more.
- 13WA · Deposit cap: This limit applies to jobs that cost more than $7,500 and less than $500,000.
- 14NSW · Cooling-off: The price includes GST.
NSW Sources: nsw.gov.au, Home Building Regulation 2014, Home Building Act 1989. Checked 16 Oct 2026.
VIC Sources: bpc.vic.gov.au, Plumbing Regulations 2018, consumer.vic.gov.au, Domestic Building Contracts Act 1995, Building Act 1993. Checked 16 Oct 2026.
QLD Sources: Queensland Building and Construction Commission Act 1991, qbcc.qld.gov.au, Queensland Building and Construction Commission Regulation 2018. Checked 16 Oct 2026.
SA Sources: Plumbers, Gas Fitters and Electricians Regulations 2025, Plumbers, Gas Fitters and Electricians Act 1995, cbs.sa.gov.au, sa.gov.au, Building Work Contractors Act 1995. Checked 16 Oct 2026.
WA Sources: Plumbers Licensing and Plumbing Standards Regulations 2000, wa.gov.au, Home Building Contracts Regulations 1992, Home Building Contracts Act 1991. Checked 16 Oct 2026.
TAS Sources: buildingstandards.tas.gov.au, consumeraffairs.tas.gov.au, Residential Building Work Contracts and Dispute Resolution Act 2016. Checked 16 Oct 2026.
NT Sources: Plumbers and Drainers Licensing Act 1983, plumberslicensing.nt.gov.au, Building Act 1993, Building Regulations 1993, Building (RBI and Fidelity Fund Schemes) Regulations 2012. Checked 16 Oct 2026.
ACT Sources: ablis.business.gov.au, planning.act.gov.au, accesscanberra.act.gov.au. Checked 16 Oct 2026.
What irrigation costs
Across Australia, irrigation typically runs $2,500 – $7,700 for sprinkler installation, and $4,945 – $15,175 for irrigation installation.
Local prices vary, so these are typical Australia-wide ranges. What you'll pay comes down to the size of the job, the condition of what's being worked on, and the finish you choose. Get a few quotes to see your exact number — it's free.
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