Retaining Walls Brisbane - Sleepers & Steel Posts

Retaining Wall Supplies Brisbane provides concrete sleeper retaining wall systems, galvanised steel posts, and fencing components for residential and commercial projects across Brisbane and South East Queensland.

We specialise in steel-reinforced concrete sleepers and engineered retaining wall systems designed for strength, durability, and long-term performance in Brisbane conditions.

Trusted by homeowners, landscapers, and builders across Australia, with 5-star Google reviews, compliant materials, and dedicated retaining wall support.

Get your retaining wall quote in Brisbane. Call 0485 856 986.

Trusted by builders, developers, and civil contractors across Australia.

Concrete Sleepers for Retaining Walls in Brisbane

We supply structural concrete sleepers in multiple sizes, finishes, and strength ratings to suit a wide range of retaining wall applications in Brisbane.

Available options include:

Lengths: 1.8m, 2.0m, 2.4m, and 3.0m
Strengths: 40MPa and 50MPa
Finishes: smooth, charcoal, textured, stackstone, and timber-look profiles

40MPa sleepers are suitable for low-to-mid-height retaining walls.
50MPa sleepers are recommended for higher or heavy-duty retaining walls where additional strength is required.

All concrete sleepers supplied are steel reinforced and manufactured to comply with AS3600/2009, making them suitable for engineered retaining wall systems when designed correctly.

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40 MPA Sleepers Brisbane and Queensland, Brisbane, Concrete Sleepers Brisbane

Smooth Concrete Sleepers
Price range: $35.94 through $86.54 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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40 MPA Sleepers Brisbane and Queensland, Brisbane, Concrete Sleepers Brisbane

Hampton Stone Concrete Sleepers
Price range: $41.80 through $57.20 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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50 MPA Sleepers Brisbane & Queensland, Brisbane, Concrete Sleepers Brisbane

Featurestone
Price range: $51.07 through $80.15 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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Brisbane, Concrete Under Fence Plinths (QLD)

Smooth Concrete Under Fence Plinth
Original price was: $56.24.Current price is: $50.60. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
-3%

40 MPA Sleepers Brisbane and Queensland, Brisbane, Concrete Sleepers Brisbane

Driftwood Concrete Sleepers
Price range: $38.86 through $41.80 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
-8%

50 MPA Sleepers Brisbane & Queensland, Brisbane, Concrete Sleepers Brisbane

Plain Concrete
Price range: $41.60 through $63.16 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
-8%

50 MPA Sleepers Brisbane & Queensland, Brisbane, Concrete Sleepers Brisbane

Timberlook
Price range: $44.98 through $66.97 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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50 MPA Sleepers Brisbane & Queensland, Brisbane, Concrete Sleepers Brisbane

Sandstone Block
Price range: $43.93 through $68.62 inc. GST Select options This product has multiple variants. The options may be chosen on the product page

Retaining Wall Steel Posts and Brackets Brisbane

Concrete sleeper retaining walls rely on correctly sized galvanised steel posts for structural performance. We supply UC and PFC steel posts designed to support concrete sleepers between 75mm and 120mm wide.

Our steel post range includes:

100UC posts for 75–80mm sleepers
150UC posts for 100mm+ sleepers
90° and 45° corner joiners for L-shaped walls
PFC C-channels for end posts
Heavy-duty and premium options for taller retaining walls

Steel post selection depends on sleeper thickness, wall height, soil conditions, and engineering requirements. Our team can assist with confirming post sizing to ensure your retaining wall system is structurally sound and compliant.

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Brisbane, Fence Brackets Brisbane & Queensland, Retaining Wall Steel Posts Brisbane

Fence Bracket 6mm (Timber Fencing)
Original price was: $19.97.Current price is: $18.15. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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100 Standard Series Brisbane & Queensland, Brisbane, H Beam (QLD), Retaining Wall Steel Posts Brisbane

UC100 14.8 (QLD)
Price range: $22.44 through $201.96 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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100 Standard Series Brisbane & Queensland, Brisbane, C Channel (QLD), Retaining Wall Steel Posts Brisbane

PFC100 (QLD)
Price range: $14.96 through $134.64 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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150 Heavy Duty Series (QLD), Brisbane, H Beam 150 (QLD), Retaining Wall Steel Posts Brisbane

UC150 23 (QLD)
Price range: $298.32 through $546.92 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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150 Heavy Duty Series (QLD), Brisbane, H Beam 150 (QLD), Retaining Wall Steel Posts Brisbane

UC150 30 (QLD)
Original price was: $1,044.23.Current price is: $949.30. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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150 Heavy Duty Series (QLD), Brisbane, H Beam 150 (QLD), Retaining Wall Steel Posts Brisbane

UC150 37 (QLD)
Original price was: $1,401.18.Current price is: $1,273.80. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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200 Heavy Duty Series (QLD), Brisbane, Retaining Wall Steel Posts Brisbane

UC200 46 (QLD)
Price range: $1,014.20 through $1,470.70 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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250 Heavy Duty Series (QLD), Brisbane, Retaining Wall Steel Posts Brisbane

UC250 72 (QLD)
Original price was: $2,438.15.Current price is: $2,216.50. inc. GST Select options This product has multiple variants. The options may be chosen on the product page

Concrete Under-Fence Plinths in Brisbane

Under-fence concrete plinths are used to close gaps beneath fencing and improve privacy, security, and finish along boundary retaining walls.

We supply 50mm reinforced concrete plinths that integrate with galvanised steel posts and common fencing systems, including Colorbond and timber fencing. This solution is ideal where retaining walls and fencing need to function together as a single system.

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Brisbane, Concrete Under Fence Plinths (QLD)

Smooth Concrete Under Fence Plinth
Original price was: $56.24.Current price is: $50.60. inc. GST Select options This product has multiple variants. The options may be chosen on the product page

Why choose Retaining Wall Supplies in Brisbane?

Concrete Sleeper Specialists

Clear, practical advice on sleeper selection, steel compatibility, and wall heights.

Obligation-Free Quote

No-pressure estimates for concrete sleepers, steel posts, and delivery.

In-store Pickup or Delivery

Flexible collection where available, or reliable delivery across Brisbane and South East Queensland.

Best Price Guarantee

Competitive pricing on concrete sleepers and steel posts, with price matching on like-for-like products.

Retaining Wall Sleeper & Steel Calculator - Brisbane

Use our retaining wall calculator to estimate the concrete sleepers and galvanised steel posts required for your retaining wall project in Brisbane and South East Queensland.

This calculator is designed for concrete sleeper retaining wall systems and provides an indicative material estimate only, based on your wall height, wall length, and sleeper size.

Final quantities, sleeper thickness, MPa rating, and steel post sizing should always be confirmed based on site conditions, soil type, drainage requirements, and engineering design.

How the calculator helps

Estimates the number of concrete sleepers required
Calculates compatible steel post quantities
Helps plan material requirements before ordering
Reduces errors when quoting or ordering materials

If you are unsure which sleeper thickness, MPa rating, or steel post size is right for your wall, our team can review your inputs and help confirm the correct configuration.

Important notes for Brisbane projects

Drainage matters in Queensland conditions, plan for free-draining backfill and suitable water run-off
Wall height, soil conditions, and surcharge loads can affect engineering requirements
This calculator does not replace professional engineering advice

For larger or load-bearing retaining walls, we recommend speaking with our team before ordering.

Total Sleepers

430.00

Total Steel

Choose Sleeper Length (mm)

Total Wall Length (Metres)

Wall Height (Metres)

Concrete Sleeper Requirements

This is how many concrete sleepers you will need for your wall.

Sleepers Per Sub Sections

10 pcs

Sub Sections

48 pcs

Total Sleepers Required

480 pcs

Steel Posts Requirements

100 UC/PFC 75-80mm Sleeper
150 UC/PFC 100-120mm Sleeper

Retaining Wall Height

0 mm

Our Customer Reviews

We are rated 5 stars on Google, reflecting consistent feedback from customers who trust us for quality retaining wall supplies and reliable service.

Engineer-Certified Retaining Wall Sleepers

All concrete sleepers supplied by Retaining Wall Supplies are steel reinforced and manufactured to comply with AS3600/2009. Our galvanised steel posts meet relevant Australian Standards and are suitable for structural retaining wall systems.

Retaining wall systems can be engineered for walls up to 4.5 metres, depending on site conditions, wall layout, drainage, and design requirements.

Concrete sleepers are reinforced with 2 × N10 or N12 ACRS-compliant steel bars, depending on product type.

Retaining Wall Solutions for DIYers, Landscapers & Builders

We supply retaining wall materials for DIY homeowners, landscapers, and builders across Brisbane and South East Queensland.

Whether you are building a small garden retaining wall or a larger engineered structure, our team helps ensure you select the correct sleeper, steel post, and layout for your project.

Need Help with Your Retaining Wall Project?

If you want help choosing concrete sleepers, galvanised steel posts, fence plinths, or brackets, contact the Retaining Wall Supplies team. We can assist with material selection, compatible steel sizing, and delivery or pickup options for Brisbane and surrounding areas.

About Retaining Wall Supplies

Retaining Wall Supplies is an Australian-owned supplier of concrete sleepers, galvanised steel posts, and fencing components for retaining wall projects across Brisbane and South East Queensland. We supply steel-reinforced sleepers in 40MPa, 50MPa, and 60MPa, along with UC and PFC post options to suit 75–120mm sleeper widths.

We support DIYers, landscapers, and builders with practical guidance on sleeper selection, post sizing, and order quantities, so you can avoid common mistakes before you buy. Our team can also help confirm pickup or delivery based on product type and logistics at the time of order.

If you need retaining wall materials that are designed for long-term performance, our team is here to help you choose the right sleeper and steel combination for your site.

Delivery and Pickup Across Brisbane & South East Queensland

You can collect concrete sleepers and galvanised steel posts from our Brisbane warehouse at:

40 S Pine Road, Brendale, Brisbane, QLD 4500
79 Boundary Street, Beenleigh, Brisbane, QLD 4207

Delivery Available Across:

Metro Brisbane, Gold Coast, Sunshine Coast, Toowoomba, and Ipswich
Interstate delivery to Sydney, Melbourne, Adelaide, and regional areas on request

Our Most Popular Brisbane Products

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50 MPA Sleepers Brisbane & Queensland, Brisbane, Concrete Sleepers Brisbane

Plain Concrete
Price range: $41.60 through $63.16 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
-10%

Brisbane, Concrete Under Fence Plinths (QLD)

Smooth Concrete Under Fence Plinth
Original price was: $56.24.Current price is: $50.60. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
-9%

40 MPA Sleepers Brisbane and Queensland, Brisbane, Concrete Sleepers Brisbane

Hampton Stone Concrete Sleepers
Price range: $41.80 through $57.20 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
-3%

40 MPA Sleepers Brisbane and Queensland, Brisbane, Concrete Sleepers Brisbane

Driftwood Concrete Sleepers
Price range: $38.86 through $41.80 inc. GST Select options This product has multiple variants. The options may be chosen on the product page

Frequently Asked Questions

Got any questions about your retaining wall project or order? We’ve got you covered.

What is the minimum order requirement for concrete sleepers in Brisbane?

For our Brisbane customers, the minimum order requirement is 10 standard concrete sleepers or 8 heavy-duty sleepers. We aim to provide the best value for your construction and landscaping projects in Brisbane.

Do you offer delivery services in Brisbane?

Yes, we offer reliable delivery options throughout Brisbane and through Queensland. No matter the size of your order, we ensure prompt and efficient delivery right to your Brisbane location.

You can also pickup your order from our warehouse in Brisbane at 38 Loam Street, Acacia Ridge, QLD 4110.

Can the Brisbane-supplied sleepers be cut to size?

Absolutely, all our Brisbane-supplied sleepers can be cut to size using a concrete saw. This allows for maximum flexibility in your Brisbane retaining wall projects.

Do you provide installation services in Brisbane?

While we specialize in supplying high-quality concrete sleepers & steel for retaining wall construction, we can recommend experienced installers in Brisbane for the best results with our products.

How high can you build the retaining wall?

Certain sleepers are engineered to achieve a retaining wall height of up to 4.5m.

What if I need to cancel my Brisbane order?

If you need to cancel your Brisbane order before we have paid the manufacturer and the transport company, we can arrange a full refund minus any credit card fees. The refund will be processed via a bank transfer within 5 business days.

Do I need Brisbane council approval for my retaining wall?

In Brisbane, retaining walls under 1 metre in height typically don’t require engineering and council approval. However, it’s always best to check with the Brisbane City Council for exact requirements.

What is your refund and returns policy?

If you cancel your order before RWS has paid the manufacturer and the transport company, we can arrange a full refund minus any credit card fees via a bank transfer within 5 business days

We are committed to providing you with the highest quality concrete products and steel. To ensure their safe transport and handling, we work closely with our manufacturers to follow strict standards. While this means we are unable to offer refunds, it also guarantees that you receive top-notch materials every time.

How can I get in touch with you for my Brisbane project?

Ready to start your Brisbane project with the best concrete sleepers? Contact us today! Our team is ready to assist you with any questions you may have and can provide expert advice on choosing the right products for your Brisbane project. Choose Retaining Wall Supplies for top-quality concrete sleepers in Brisbane. Contact Us now to get started.

What is your returns policy?

If you cancel your order before RWS has paid the manufacturer and the transport company, we can arrange a full refund minus any credit card fees via a bank transfer within 5 business days

Need Expert Advice on Your Retaining Wall Project?

Call 0485 856 986, use live chat, or submit an enquiry and we will get back to you with clear next steps.

0485 856 986

Give us a call to talk us through your project to find the best deals and quote. Alternatively, just send us a text.

info@retainingwallsupplies.com.au

Cost Calculator

Want a quick quote? Fill in our online retaining wall calculator to get a no-obligation instant quote.

Areas We Cover Across Australia

Retaining Wall Supplies delivers concrete sleepers and galvanised steel posts Australia-wide, with fast turnaround from nearby warehouse. Our engineered sleepers and UC posts are available for quick pickup or delivery.

Main service locations:

Melbourne – pickup available from Dandenong South, Bayswater and Campbellfield
Brisbane – sleepers and steel stocked in Brendale and Beenleigh
Sydney – steel and sleepers available from Wetherill Park
Adelaide – concrete sleeper supply from Lonsdale
Canberra – delivery available across ACT

We also service regional areas including Geelong, Ballarat, Bendigo, Mornington Peninsula, Gold Coast, Sunshine Coast, Newcastle, Toowoomba and Ipswich. This helps customers find the right concrete sleepers and retaining wall steel posts no matter where they are in Australia.

Retaining Walls Brisbane - Sleepers & Steel Posts

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Retaining Wall Steel Posts and Brackets Brisbane

Concrete Under-Fence Plinths in Brisbane