Pricing Guide · Retaining Wall Pricing
Retaining Wall Cost per m² Sunshine Coast
Retaining wall costs on the Sunshine Coast range from $250 / m² for timber sleepers up to $700+ / m² for engineered sandstone blocks.
2026 Material & Labor Tiers
Timber Sleeper Walls
$250 – $380 / m²Treated pine or hardwood sleepers, steel H-posts, subsoil drainage pipe and aggregate.
Concrete Sleeper Walls
$380 – $520 / m²Structural concrete sleepers, heavy steel posts, long-life low maintenance.
Sandstone Block Walls
$480 – $750+ / m²Natural A-grade sandstone blocks, excavator placement, concrete footings & full engineering.
Factors Impacting Your Final Price
- Site Access & Slope: Steep blocks or narrow side access require specialized machinery or manual excavation.
- Soil Type & Subframe: Basalt clay or rocky Hinterland ground needs deeper concrete footings than sandy coastal soil.
- Council Approvals: Decks over 1m high or structures over 10m² require engineering design and QBCC certification.
More Pricing Guides
Decking Cost Sunshine Coast — 2026 Price & Material Guide
Decking prices on the Sunshine Coast typically range from $320 to $650+ per m² depending on material selection, subframe engineering, block slope, and elevation off the ground.
Pergola & Louvre Roof Build Costs QLD
Pergola and shade structure costs on the Sunshine Coast range from $6,000 for standard timber frames to $35,000+ for motorized louvre systems.
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