Quick wall estimator
A fast ballpark of sleepers and posts for the wall in this article. For drainage, steel post sizing and a full quote, use our complete calculator.
This is a rough estimate, not an engineering design.
It doesn't check soil conditions, surcharge loads or structural adequacy. Council and engineering requirements vary by state, wall height and site — always confirm locally before building.
Your quick estimate
Half panels (1500 x 150)
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This covers panels and posts only. Our WA team will confirm the post system, footings and a delivered price for your site when you send this estimate.
This covers sleepers and posts only. For steel post sizing, drainage, concrete for footings and a firm delivered price, use our
full retaining wall calculator →
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Figures are a rough estimate only, based on standard 200mm-high sleepers (or, in WA, 1500mm wide concrete panels) stacked to your entered wall height, with one post per bay. They don't include drainage, concrete or steel post sizing — see the full calculator for those. Actual material needs vary with soil type, wall design, corners and site access. Always check with your local council or a qualified engineer before building, particularly for walls over about 600mm or near a boundary.
