Concrete Sleepers for Retaining Walls
Concrete sleeper retaining walls hold back soil with steel-reinforced concrete sleepers slotted between galvanised steel posts. The system does not rot, warp or burn, carries engineer certification on rated ranges, and suits everything from garden terraces to engineered walls up to 4.5 metres.
This page shows every sleeper we stock nationally. Use the stock location filter to see your state’s range, or jump to concrete sleepers Sydney, Brisbane, Adelaide, Canberra or the Melbourne range.
Showing 1–12 of 42 results
1.8m Length Concrete Sleepers, 100mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 40MPA Range 80-120mm Concrete Sleepers, 80mm Width, Charcoal, Concrete Sleepers for Retaining Walls, Concrete Sleepers Melbourne for Retaining Walls, Rockface, Sandstone
Price range: $54.93 through $70.47 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 60MPa ACT, 75mm Width, 80mm Width, Canberra, Charcoal, Concrete Sleepers Canberra - ACT, Concrete Sleepers for Retaining Walls
Price range: $58.28 through $77.66 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 60MPa SA, 75mm Width, 80mm Width, Adelaide, Charcoal, Concrete Sleepers Adelaide, Concrete Sleepers for Retaining Walls
Price range: $50.05 through $66.00 inc. GST Select options This product has multiple variants. The options may be chosen on the product page1.5m Length Concrete Sleepers, 100mm Width, 120mm Width, 130mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 60MPa ACT, 75mm Width, 80mm Width, Canberra, Charcoal, Concrete Sleepers Canberra - ACT, Concrete Sleepers for Retaining Walls
Price range: $48.07 through $104.10 inc. GST Select options This product has multiple variants. The options may be chosen on the product page1.5m Length Concrete Sleepers, 1.8m Length Concrete Sleepers, 100mm Width, 120mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 60MPa SA, 75mm Width, 80mm Width, Adelaide, Charcoal, Concrete Sleepers Adelaide, Concrete Sleepers for Retaining Walls
Price range: $42.35 through $67.10 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100mm Width, 120mm Width, 130mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 60MPa ACT, 75mm Width, 80mm Width, Canberra, Concrete Sleepers Canberra - ACT, Concrete Sleepers for Retaining Walls, Sandstone
Price range: $58.74 through $105.99 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100mm Width, 120mm Width, 130mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 60MPa SA, 75mm Width, 80mm Width, Adelaide, Concrete Sleepers Adelaide, Concrete Sleepers for Retaining Walls, Sandstone
Price range: $49.50 through $92.40 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100mm Width, 120mm Width, 130mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 75mm Width, 80mm Width, Concrete Sleepers for Retaining Walls, Concrete Sleepers Melbourne for Retaining Walls, Grey, Premium Range 75-120mm Concrete Sleepers, Rockface
Price range: $54.08 through $83.49 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100mm Width, 120mm Width, 130mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 75mm Width, 80mm Width, Charcoal, Concrete Sleepers for Retaining Walls, Concrete Sleepers Melbourne for Retaining Walls, Premium Range 75-120mm Concrete Sleepers
Price range: $58.99 through $88.45 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100mm Width, 120mm Width, 130mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 60MPa ACT, 75mm Width, 80mm Width, Canberra, Charcoal, Concrete Sleepers Canberra - ACT, Concrete Sleepers for Retaining Walls
Price range: $60.72 through $109.84 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100mm Width, 120mm Width, 130mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 60MPa SA, 75mm Width, 80mm Width, Adelaide, Charcoal, Concrete Sleepers Adelaide, Concrete Sleepers for Retaining Walls
Price range: $52.25 through $96.25 inc. GST Select options This product has multiple variants. The options may be chosen on the product page1.5m Length Concrete Sleepers, 100mm Width, 120mm Width, 130mm Width, 2.0m Length Concrete Sleepers, 2.4m Length Concrete Sleepers, 60MPa ACT, 75mm Width, 80mm Width, Canberra, Concrete Sleepers Canberra - ACT, Concrete Sleepers for Retaining Walls, Grey
Price range: $43.10 through $82.40 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
Showing 1–12 of 42 results
How a concrete sleeper retaining wall works
Galvanised steel posts are concreted into footings at set centres, and concrete sleepers slot horizontally between the post flanges to form the wall face. Each sleeper is steel reinforced with N10 or N12 bar and manufactured to AS3600 in 40, 50 or 60MPa strengths. The posts carry the soil load, the sleepers span between them, and drainage behind the wall keeps water pressure off the structure. Certified ranges carry an engineer-certified 50-year lifespan, and specific sizes include a 20-year warranty.
Wall heights and what they need
| Wall height | Sleeper thickness | Post series | Engineering |
|---|---|---|---|
| Up to about 1m | 75-80mm | 100 Standard | Usually not required, check your council |
| 1m to 1.8m | 75-80mm | 100 Standard | Generally required over 1m or with surcharge |
| 1.2m to 4.5m | 100-120mm | 150 Heavy Duty | Engineer-certified design required |
| Engineered and commercial | 100-130mm | 200 Premium and Super Heavy Duty | Quoted from your drawings |
Guideline span tables and certificates are on our resources page. RWS supplies engineer-compliant materials but does not provide engineering services.
Choosing a finish
Every sleeper above comes in the same structural system, so finish is a style decision, not a strength one. Browse by smooth, woodgrain, stackstone or rockface pattern, by charcoal, grey, black or sandstone colour, or by length and width.
Shop your state
Stock ships from partner yards in every mainland eastern state. See the range held nearest you: Melbourne and Victoria, Sydney and NSW, Brisbane and Queensland, Adelaide and SA, Canberra and the ACT. Or price the whole wall in one step with the retaining wall calculator.
How much does a concrete sleeper retaining wall cost?
Sleepers run from about $29 for a 1.8m standard grey up to $110 for premium 60MPa sizes, with posts priced by series and length. Material cost for a typical garden wall lands well under timber once lifespan is counted. The calculator gives an itemised price for your wall dimensions in minutes.
Are concrete sleepers better than timber for retaining walls?
Concrete sleepers do not rot, warp or attract termites, and certified ranges are rated for 50 years. Timber walls typically need replacing within 10 to 20 years in ground contact. Concrete costs more per sleeper but usually less per year of wall life.
Do I need council approval for a sleeper retaining wall?
Rules vary by council and state, but walls over about 1 metre, or walls supporting a driveway or structure, generally need an engineer-certified design and approval. Our engineering guide explains what certifiers look for.
