Retaining Wall Supplies Canberra

Retaining Wall Supplies Canberra supplies 60MPa concrete sleeper retaining wall materials, galvanised steel posts, and under-fence plinths for residential and commercial projects across Canberra and the ACT.

Our Canberra range focuses on high-strength, steel-reinforced concrete sleepers designed for structural retaining walls in local soil and climate conditions. We support retaining wall projects with compliant materials, practical advice, and reliable supply.

5-star Google reviews
AS3600-compliant products
Australia-wide support

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

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

Concrete Sleeper Retaining Walls in Canberra

We supply 60MPa concrete sleepers suitable for retaining wall construction in Canberra’s clay-heavy soils and freeze-thaw conditions.

Our concrete sleepers are:

Steel reinforced
Manufactured to comply with AS3600
Designed for structural retaining wall applications

Available sleeper options include:

Strength rating: 60MPa
Common lengths: 1.8m, 2.0m, 2.4m, 3.0m
Thicknesses: 75–80mm and 100mm+ profiles
Finishes: Smooth, charcoal, stackstone, timber-look

60MPa sleepers are typically used for:

Boundary retaining walls
Stepped retaining walls on sloping sites
Higher load-bearing or engineered retaining walls
Landscaping projects requiring long service life and minimal maintenance

Compared to timber sleepers, concrete sleepers do not rot, warp, or attract termites, and require little ongoing maintenance once installed.

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60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

Cove Sleepers ACT
Price range: $58.74 through $105.99 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

Lonsdale Sleepers ACT
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
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Canberra, Concrete Sleepers Canberra - ACT, Concrete Under Fence Plinths Canberra

Blackwood UFP ACT
Original price was: $59.22.Current price is: $53.35. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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Canberra, Concrete Sleepers Canberra - ACT, Concrete Under Fence Plinths Canberra

Lonsdale UFP STD ACT
Original price was: $55.18.Current price is: $49.71. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

Kensington Sleepers ACT
Price range: $60.72 through $109.84 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

Blackwood Sleepers ACT
Price range: $48.07 through $104.10 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

Ashwood Sleepers ACT
Price range: $58.28 through $77.66 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

McLaren Sleepers ACT
Price range: $59.18 through $108.19 inc. GST Select options This product has multiple variants. The options may be chosen on the product page

Retaining Wall Steel Posts Canberra

Concrete sleeper retaining walls rely on correctly sized steel posts for structural performance. We supply a full range of hot-dip galvanised retaining wall steel posts compatible with 60MPa concrete sleepers.

Steel post options include:

100UC steel posts for 75–80mm sleepers
150UC steel posts for 100mm+ sleepers or taller walls
Corner and joiner posts for 90° and angled walls
PFC channels for end posts and termination points

Post selection is based on:

Sleeper thickness
Wall height
Soil conditions
Engineering requirements

Our team can assist with confirming the correct post size before ordering to ensure your retaining wall is structurally sound and compliant.

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C Channel Steel (TFC), Canberra, Retaining Wall Steel Posts Canberra - ACT

100 TFC Channel Galvanised Steel ACT
Price range: $17.60 through $105.44 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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90 degree corner, Canberra, Retaining Wall Steel Posts Canberra - ACT

100 TFC 90 Degree Corner Galvanised Steel ACT
Price range: $52.80 through $264.00 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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45 degree corner, Canberra, Retaining Wall Steel Posts Canberra - ACT

100 TFC 45 Degree Corner Galvanised Steel ACT
Price range: $59.40 through $297.00 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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Canberra, Fence Brackets Canberra - ACT, Retaining Wall Steel Posts Canberra - ACT

Fence Bracket HDG 700 x 70 x 8 (Timber) ACT
Original price was: $21.78.Current price is: $19.80. inc. GST Add to cart
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Canberra, Fence Brackets Canberra - ACT, Retaining Wall Steel Posts Canberra - ACT

Fence Bracket HDG 700 x 48 x 5 (Colourbond) ACT
Original price was: $19.36.Current price is: $17.60. inc. GST Add to cart
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C Channel Steel (TFC), Canberra, Retaining Wall Steel Posts Canberra - ACT

150 TFC Channel Galvanised Steel ACT
Price range: $49.50 through $396.00 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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Canberra, H Channel Steel (UC), Retaining Wall Steel Posts Canberra - ACT

100 UC 14 H Beam Galvanised Steel ACT
Price range: $29.70 through $178.20 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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Canberra, H Channel Steel (UC), Retaining Wall Steel Posts Canberra - ACT

150 UC 23 H Beam Galvanised Steel ACT
Price range: $59.40 through $475.20 inc. GST Select options This product has multiple variants. The options may be chosen on the product page

Concrete Under-Fence Plinths and Fencing Integration

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

We supply 50mm concrete plinths designed to integrate with:

Galvanised steel posts
Colorbond fencing
Timber fencing systems

This setup allows the retaining wall and fence to function as a single, coordinated system, particularly on sloping blocks.

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Canberra, Concrete Sleepers Canberra - ACT, Concrete Under Fence Plinths Canberra

Blackwood UFP ACT
Original price was: $59.22.Current price is: $53.35. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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Canberra, Concrete Sleepers Canberra - ACT, Concrete Under Fence Plinths Canberra

Lonsdale UFP STD ACT
Original price was: $55.18.Current price is: $49.71. inc. GST Select options This product has multiple variants. The options may be chosen on the product page

Retaining Wall Calculator - Canberra

Use our retaining wall calculator to estimate the number of concrete sleepers and compatible steel posts required for your Canberra retaining wall project.

The calculator provides an indicative material estimate only, based on:

Wall height
Wall length
Sleeper size

Final quantities, sleeper thickness, MPa rating, and steel post sizing should always be confirmed based on:

Site conditions
Soil type
Drainage requirements
Engineering design

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

Why choose Retaining Wall Supplies in Canberra?

Outstanding Support

Get clear, practical advice on concrete sleepers and retaining wall steel for Canberra and surrounding ACT projects. Our team helps with product selection, wall heights, and quantities before you order.

Obligation-free Quote

Request a no-obligation quote for your retaining wall project. We’ll confirm sleeper sizes, steel post compatibility, and the most suitable delivery option for your site.

In-store pickup or delivery

Arrange reliable delivery to Canberra and regional ACT, or collect from an approved pickup location where available. Due to product weight and handling requirements, delivery is recommended for most projects.

Best price guarantee

We offer competitive pricing on concrete sleepers and galvanised steel posts, backed by our best price guarantee. If you find a like-for-like product at a lower price, we’ll do our best to match it.

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 in Canberra

At Retaining Wall Supplies, we supply steel-reinforced concrete sleepers and galvanised retaining wall steel used in engineered retaining wall designs across Canberra and the ACT.

60MPa concrete sleepers available in our Canberra range for higher-strength retaining wall applications
Steel-reinforced construction, with reinforcement bar size varying by sleeper profile
Galvanised UC and PFC steel posts to suit common sleeper thicknesses and wall configurations
Sleeper and steel systems engineer-certified for retaining wall designs up to 4.5 metres, when designed in accordance with site conditions, drainage requirements, surcharge loads, and engineering specifications
Manufactured and supplied to comply with relevant Australian Standards, including AS3600 and ACRS requirements where applicable

If you are unsure which sleeper strength, thickness, or steel post size is suitable for your wall height, submit your wall height and length through the quote form and our team will help confirm a compliant configuration.

Retaining Wall Solutions for DIYers, Trades, and Professional Installers

Whether you are building a boundary retaining wall, a stepped garden wall, or a higher wall that needs engineering sign-off, we help you choose materials that fit the job and can help you find the contractor to build it for you.

DIY-friendly ordering with clear sizing, thickness, and finish options
Trade support for quantities, compatibility checks, and delivery planning
Steel post selection guidance, including straight runs, corners, and end posts
Under-fence plinths to close gaps under Colorbond or timber fencing where needed

If you already have plans, send them through. If you are still planning, start with wall height and length and we will point you to the right sleeper and steel options for Canberra conditions.

Need Help with Your Retaining Wall Project?

Call us to speak to our Canberra support team and get a FREE consultation. We’ll help you quote, plan, and deliver everything you need for a long-lasting retaining wall.

About Retaining Wall Supplies

Retaining Wall Supplies is an Australian-owned supplier of concrete sleepers, galvanised steel posts, and retaining wall components.

We support retaining wall projects across Canberra and Australia with:

Compliant materials
Practical advice
Reliable supply

Whether you’re working on a small backyard retaining wall or a larger engineered project, we help you select materials designed for long-term performance.

Pickup and Delivery - Canberra

Concrete sleepers and steel posts for Canberra projects are supplied through our national distribution network, with delivery arranged based on product type, quantities, and logistics.

Stock availability and delivery options are confirmed at the time of order.

Our Most Popular Canberra Products

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60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

McLaren Sleepers ACT
Price range: $59.18 through $108.19 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

Blackwood Sleepers ACT
Price range: $48.07 through $104.10 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
-10%

60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

Kensington Sleepers ACT
Price range: $60.72 through $109.84 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
-10%

60MPa ACT, Canberra, Concrete Sleepers Canberra - ACT

Lonsdale Sleepers ACT
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

Frequently Asked Questions

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

Do You Have A Minimum Order?

We take pride in providing high-quality concrete sleepers in convenient, efficient pack sizes. To ensure the best value for our customers, our minimum order requirement is 10 standard concrete sleepers or 8 heavy-duty sleepers.

What's your best price on sleepers in Canberra?

At Retaining Wall Supplies, we believe that our customers deserve the best value for their investment. That’s why we’ve worked hard to negotiate unbeatable prices for our customers in Sydney and Canberra.

With our best price guarantee, you can be certain that you’re getting the best available price on your retaining wall supplies! No matter the size of your order, you can count on us to deliver top-quality sleepers at a price that’s fair and affordable.

Do you offer delivery?

We’re pleased to offer flexible and reliable delivery options to our customers in Canberra and the surrounding regions. With a network of transport solutions at our disposal, we’re equipped to accommodate orders of any size and ensure prompt and efficient delivery to your doorstep. Whether you’re ordering a few sleepers or a large bulk shipment, you can count on us to handle your delivery needs with care and professionalism.

How high can you build the retaining wall?

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

Can you cut the sleepers to custom size?

Yes, all our sleepers can be cut to size with a concrete saw.

Do you build or install retaining walls?

We specialize in supplying high-quality concrete sleepers & steel for retaining wall construction for landscaping, fences and walls. Let us assist you by recommending experienced installers in your Canberra for the best results.

Do I need a council permit to install a retaining wall?

Typically, walls under 1 metre in height don’t require engineering and council approval. Please refer to your local council in Canberra for exact requirements.

Can I install concrete sleepers myself, or do I need professional help?

While DIY installation is possible for smaller projects, Retaining Wall Supplies recommends professional installation for larger or more complex retaining walls to ensure safety and compliance with local regulations.

Do you have fencing contractors who can integrate fencing with retaining walls?

Yes, many fencing contractors specialize in integrating fencing with retaining walls to enhance the security and aesthetics of your property. This combined approach not only provides structural support but also adds privacy and style to your outdoor space. For expert fencing contractors in Melbourne who can handle such projects, visit Fencing Quotes Online.

What is your returns policy?

If you cancel your order before Retaining Wall Supplies 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.

Need Expert Advice on Your Retaining Wall Project?

We simplify the retaining wall construction process – contact us via phone, email, live chat or the enquiry form for any questions about our retaining wall supplies, concrete sleepers, steel posts and fence plinths or anything else we can assist with!

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 Wall Supplies Canberra