How much does a retaining wall cost in Townsville?
A retaining wall in Townsville costs $215–$485 per lineal metre for timber sleepers, $270–$650/lm for concrete sleepers, and $380–$755/lm for sandstone. A standard 10-metre wall at 1m height costs $2,700–$7,550. Larger or engineered walls can cost significantly more.
Common retaining wall jobs in Townsville include: Concrete sleeper wall (per lm): $270–$650 /lm · Block / besser wall (per lm): $325–$810 /lm · Sandstone wall (per lm): $380–$755 /lm. All prices include GST and are based on Townsville metro rates, March 2026.
Prices vary by up to 30% depending on job complexity, your suburb within Townsville, and the tradie's experience. Always get at least 3 quotes — compare free Townsville quotes here.
Detailed Pricing — Townsville 2026
| Service | Low | Typical | High |
|---|---|---|---|
| Timber sleeper wall (per lineal metre) | $215/lm | $345 | $485 |
| Concrete sleeper wall (per lm) | $270/lm | $430 | $650 |
| Block / besser wall (per lm) | $325/lm | $540 | $810 |
| Sandstone wall (per lm) | $380/lm | $595 | $755 |
| Boulder wall (per lm) | $270/lm | $430 | $650 |
| Gabion wall (per lm) | $325/lm | $540 | $865 |
| Small garden wall (5 lm × 0.5m) | $1,075total | $1,950 | $3,025 |
| Standard wall (10 lm × 1m) | $2,700total | $4,850 | $7,550 |
| Large wall (15 lm × 1.5m) | $5,400total | $9,700 | $16,200 |
| Engineering / structural cert | $540per job | $1,075 | $2,150 |
| Drainage behind wall | $32/lm | $54 | $86 |
| Old wall demolition + removal | $54/lm | $110 | $195 |
Prices include GST. Based on Townsville metro area, Mar 2026. Outer suburbs may vary.
What Affects Retaining Wall Costs in Townsville
Wall material
Timber sleepers ($215–$485/lm in Townsville) are cheapest. Concrete sleepers ($270–$650/lm) are the most popular. Sandstone ($380–$755/lm) is premium but looks great.
Wall height
Walls under 1m are straightforward. Walls over 1m in Townsville typically need stronger footings. Over 1.5m requires structural engineering certification.
Engineering requirements
Walls over 600mm (some Townsville councils) or 1m (others) need a structural engineer's design ($540–$2,150). This adds cost but is legally required and protects you.
Drainage
Every retaining wall needs drainage behind it ($32–$86/lm in Townsville). Without proper drainage, water pressure builds up and the wall can fail within a few years.
Site access
Easy access for a small excavator in your Townsville property keeps costs low. If materials need to be carried by hand (steep slopes, narrow access), costs increase significantly.
Existing wall removal
Demolishing and removing an old failed wall in Townsville costs $50–$180/lm on top of the new wall cost.
How to Save Money on Retaining Wall in Townsville
Frequently Asked Questions
Our Methodology
Prices on this page are compiled from publicly available cost guides, tradie marketplaces (ServiceSeeking, hipages, Airtasker, Service.com.au), industry body data (HIA, Master Builders), and individual tradesperson websites across Australia. We cross-reference ranges from multiple sources and adjust for city-specific cost differences based on advertised rates, salary data, and cost-of-living indicators. Our guides are independently produced — we don't employ tradespeople and have no financial incentive to inflate or deflate prices. All prices are estimates and will vary based on your specific job. Always get at least 3 quotes. Last reviewed March 2026. Read our full methodology →