How much does a retaining wall cost in Darwin?
Most retaining walls in Darwin cost $2,875–$17,250
for a standard residential wall
A 10-metre wall at 1m height in Darwin costs $2,875–$8,050. Per-metre rates range from $230/lm for timber sleepers to $805/lm for sandstone. Walls over 1.5m need engineering ($575–$2,300).
+3.4%
Retaining Wall costs in Darwin have risen this quarter, driven by strong construction activity and trade shortages.
Q1 2026 vs Q4 2025
Average Retaining Wall Cost in Darwin
$126
per hour for standard residential work
Call-Out Fee
$63–$158
Emergency Rate
$263–$735
Common Job
$158–$420
A retaining wall in Darwin costs $230–$520 per lineal metre for timber sleepers, $290–$690/lm for concrete sleepers, and $400–$805/lm for sandstone. A standard 10-metre wall at 1m height costs $2,875–$8,050. Larger or engineered walls can cost significantly more.
Detailed Pricing — Darwin 2026
| Service | Low | Typical | High |
|---|---|---|---|
| Timber sleeper wall (per lineal metre) | $230/lm | $370 | $520 |
| Concrete sleeper wall (per lm) | $290/lm | $460 | $690 |
| Block / besser wall (per lm) | $345/lm | $575 | $860 |
| Sandstone wall (per lm) | $400/lm | $630 | $805 |
| Boulder wall (per lm) | $290/lm | $460 | $690 |
| Gabion wall (per lm) | $345/lm | $575 | $920 |
| Small garden wall (5 lm × 0.5m) | $1,150total | $2,075 | $3,225 |
| Standard wall (10 lm × 1m) | $2,875total | $5,200 | $8,050 |
| Large wall (15 lm × 1.5m) | $5,750total | $10,350 | $17,250 |
| Engineering / structural cert | $575per job | $1,150 | $2,300 |
| Drainage behind wall | $34/lm | $57 | $92 |
| Old wall demolition + removal | $57/lm | $115 | $205 |
Prices verified February 2026 · Cross-referenced against 90+ Australian trade pricing sources · See methodology
Prices include GST. Based on Darwin metro area, Feb 2026. Outer suburbs may vary.