How much does retaining walls cost in Australia?
Retaining Walls typically costs between $150 and $600 (per m²) 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 | $175–$690 |
| Victoria | $170–$670 |
| Queensland | $160–$630 |
| Western Australia | $165–$660 |
| South Australia | $145–$590 |
| Tasmania | $155–$610 |
| Northern Territory | $170–$670 |
| Australian Capital Territory | $160–$650 |
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Prices vary by job. Get free quotes from local pros and compare.
Get free quotesFAQs
Do retaining walls need approval?
Walls above a certain height (often around 1m) usually need engineering and council approval in your state, plus drainage behind the wall.
How much does retaining walls cost?
As a guide, retaining walls typically ranges from $150 to $600 per square metre. 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.