Retaining wall costs in Perth range from $150–$600/m² depending on material. Our detailed cost guide covers every material and scenario.
Quick Cost Summary
- Timber: $150–$350/m²
- Gabion: $200–$450/m²
- Limestone: $200–$450/m²
- Concrete sleeper: $250–$500/m²
- Block: $250–$550/m²
- Sandstone: $300–$600/m²
Hidden Costs
Engineering ($800–$2,000) and council permits ($300–$1,000+) apply for walls over 0.5m in WA. Use our calculator for estimates. Get accurate quotes from licensed Perth builders.
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