How much does rainwater tank installation cost in Australia?
Rainwater Tank Installation typically costs between $800 and $5,000 (typical job) in Australia as of 2026. The exact price depends on the size of the job, access, materials, and where you are. Prices reviewed June 2026.
What affects the price
- Size and complexity of the job
- Ease of access and site conditions
- Materials and fittings chosen
- Whether it's an emergency or after-hours call-out
- Your location, metro vs regional rates differ
Cost by state
| State | Indicative range |
|---|---|
| New South Wales | $920–$5,750 |
| Victoria | $895–$5,600 |
| Queensland | $840–$5,250 |
| Western Australia | $880–$5,500 |
| South Australia | $785–$4,900 |
| Tasmania | $815–$5,100 |
| Northern Territory | $895–$5,600 |
| Australian Capital Territory | $865–$5,400 |
Get exact quotes, free
Prices vary by job. Get free quotes from local pros and compare.
Get free quotesFAQs
Can a rainwater tank be connected to the house?
Yes — a licensed plumber can connect a tank to toilets, the laundry and outdoor taps, and rebates may be available in your state.
How much does rainwater tank installation cost?
As a guide, rainwater tank installation typically ranges from $800 to $5000 for a typical job. The final price depends on the size of the job, access, and materials. The fastest way to know is to get a few free quotes.
How many businesses will contact me?
Up to 5 local businesses can pick up your request. You compare their quotes and choose, there's no obligation to go ahead with any of them.
Is it free to get quotes?
Yes. Getting quotes through Blue Collar News Services is completely free for you. The businesses pay us; you never do.