Retaining Wall Supplies Melbourne
Retaining Wall Supplies Melbourne supplies concrete sleepers, galvanised steel posts, and retaining wall components for residential and commercial projects across Melbourne and regional Victoria.
Our range includes steel-reinforced concrete sleepers in multiple lengths, thicknesses, colours, and finishes, along with compatible retaining wall steel posts, plinths, and fencing accessories. We help you select the right sleeper and steel combination for your retaining wall.
Trusted by homeowners, landscapers, and builders nationwide, with 5-star Google reviews and dedicated retaining wall support.
Trusted by builders, developers, and civil contractors across Australia.
Concrete Sleepers for Retaining Walls in Melbourne
Steel-reinforced concrete sleepers available in multiple sizes, colours, and finishes for straight, stepped, and near-vertical retaining walls.
Concrete sleeper retaining walls are commonly chosen where strength, durability, and low maintenance are required. Manufactured using high-strength concrete with steel reinforcement, concrete sleepers do not rot, warp, or degrade over time, making them suitable for long-term retaining wall applications across Melbourne and Victoria.
We supply structural concrete sleepers in multiple lengths, designs, and strengths, including 1.8m, 2.0m, 2.4m, and 3.0m options. Available finishes include charcoal, smooth, stackstone, and timber-look, allowing flexibility across residential and commercial landscaping projects.
Our 40MPa concrete sleepers are suited to low-to-mid-height retaining walls, while 50MPa and 60MPa sleepers are designed for higher or heavy-duty retaining wall applications where increased load capacity is required.
Steel post compatibility is critical for structural performance.
As a general guide:
75–80mm sleepers pair with 100UC steel posts
100mm sleepers and above require 150UC steel posts
Our team can assist with confirming sleeper thickness, MPa rating, and steel post sizing based on your wall height, layout, and site conditions.
Concrete sleeper retaining walls are commonly used for:
Boundary and fence-line retaining walls
Sloped sites requiring stepped retaining walls
Structural retaining walls designed for long-term stability
Landscaping projects where durability and appearance matter
Browse our Melbourne concrete sleeper range below to compare sizes, finishes, strengths, and compatible steel post options.
50MPA Range 80-120mm Concrete Sleepers, Concrete Sleepers Melbourne for Retaining Walls
$38.58 – $89.99Price range: $38.58 through $89.99 inc. GST Select options This product has multiple variants. The options may be chosen on the product page40MPA Range 80-120mm Concrete Sleepers, Concrete Sleepers Melbourne for Retaining Walls
$38.21 – $113.45Price range: $38.21 through $113.45 inc. GST Select options This product has multiple variants. The options may be chosen on the product page40MPA Range 80-120mm Concrete Sleepers, Concrete Sleepers Melbourne for Retaining Walls
$53.75 – $68.08Price range: $53.75 through $68.08 inc. GST Select options This product has multiple variants. The options may be chosen on the product page40MPA Range 80-120mm Concrete Sleepers, Concrete Sleepers Melbourne for Retaining Walls
$54.93 – $70.47Price range: $54.93 through $70.47 inc. GST Select options This product has multiple variants. The options may be chosen on the product pageConcrete Sleepers Melbourne for Retaining Walls, Premium Range 75-120mm Concrete Sleepers
$43.57 – $115.35Price range: $43.57 through $115.35 inc. GST Select options This product has multiple variants. The options may be chosen on the product pageConcrete Sleepers Melbourne for Retaining Walls, Premium Range 75-120mm Concrete Sleepers
$48.94 – $120.68Price range: $48.94 through $120.68 inc. GST Select options This product has multiple variants. The options may be chosen on the product pageConcrete Sleepers Melbourne for Retaining Walls, Premium Range 75-120mm Concrete Sleepers
$56.75 – $86.20Price range: $56.75 through $86.20 inc. GST Select options This product has multiple variants. The options may be chosen on the product pageConcrete Sleepers Melbourne for Retaining Walls, Premium Range 75-120mm Concrete Sleepers
$54.08 – $83.49Price range: $54.08 through $83.49 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
Retaining Wall Steel Posts
Hot-dip galvanised UC and PFC steel posts designed to support concrete sleepers from 75mm to 120mm wide.
We supply a full range of hot-dip galvanised retaining wall steel posts engineered to support concrete sleeper retaining walls across residential and commercial applications. Our steel post range includes standard and heavy-duty UC sizes, as well as 200UC premium options for taller or higher load-bearing retaining walls.
Steel posts are selected based on sleeper thickness, wall height, and wall layout. As a general guide:
75–80mm concrete sleepers are supported by 100UC steel posts
100mm and thicker sleepers require 150UC steel posts
200UC steel posts are used for taller or heavy-duty retaining wall designs when engineered
For wall configuration and layout:
- 100UC and 150UC H-Beams are used for straight retaining walls
- 90° and 45° corner joiners suit L-shaped and angled wall layouts
- PFC C-Channels are commonly used for end posts and termination points
Custom steel post lengths and welded fence brackets are available on request to support fencing integration above retaining walls.
Our retaining wall steel posts are suitable for engineered retaining wall systems when designed in accordance with relevant Australian Standards and matched correctly to sleeper thickness and wall height.
100 Standard Steel Series, H Beam Steel for Retaining Walls (100), Retaining Wall Steel Posts
$43.65 – $145.50Price range: $43.65 through $145.50 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100 Standard Steel Series, C Channel Steel (100), Retaining Wall Steel Posts
$33.66 – $112.20Price range: $33.66 through $112.20 inc. GST Select options This product has multiple variants. The options may be chosen on the product page200 Premium Strength Series, Retaining Wall Steel Posts
$814.00 – $1,424.50Price range: $814.00 through $1,424.50 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100 Standard Steel Series, 45 Degree Corner Channel Steel Post (100), Retaining Wall Steel Posts
$86.63 – $288.75Price range: $86.63 through $288.75 inc. GST Select options This product has multiple variants. The options may be chosen on the product page100 Standard Steel Series, 90 Degree Corner Joiner Steel (100), Retaining Wall Steel Posts
$80.69 – $268.95Price range: $80.69 through $268.95 inc. GST Select options This product has multiple variants. The options may be chosen on the product page200 Premium Strength Series, Retaining Wall Steel Posts
$418.00 – $731.50Price range: $418.00 through $731.50 inc. GST Select options This product has multiple variants. The options may be chosen on the product page150 Heavy Duty Steel Series, H Beam Steel (150), Retaining Wall Steel Posts
$234.01 – $754.05Price range: $234.01 through $754.05 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
Under-Fence Plinths and Fencing
50mm reinforced concrete plinths designed to close gaps beneath fencing on boundary retaining walls.
Under-fence concrete plinths are commonly used to prevent erosion, improve privacy, and create a clean finish beneath fencing installed above retaining walls. Our 50mm concrete plinths integrate with galvanised steel posts and both Colorbond and timber fencing systems.
This solution is ideal for boundary retaining walls where retaining and fencing need to function together as a single, durable system.
Concrete Sleepers Melbourne for Retaining Walls, Concrete Under Fence Plinths
$53.87Original price was: $53.87.$51.60Current price is: $51.60. inc. GST Select options This product has multiple variants. The options may be chosen on the product pageConcrete Sleepers Melbourne for Retaining Walls, Concrete Under Fence Plinths
$59.47Original price was: $59.47.$56.97Current price is: $56.97. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
Timber Sleepers Melbourne
Treated pine timber sleepers suited to low-height retaining walls, garden edging, and landscaping features.
Treated pine timber sleepers are a lightweight and cost-effective option for lower retaining walls and landscaping applications where loads are minimal. They are commonly used for garden beds, edging, and small landscaping features.
For higher or load-bearing retaining walls, concrete sleeper systems are typically recommended due to their greater strength, durability, and resistance to rot and warping.
Premium Timber Sleepers for Retaining Walls
$25.23 – $42.05Price range: $25.23 through $42.05 inc. GST Select options This product has multiple variants. The options may be chosen on the product pagePremium Timber Sleepers for Retaining Walls
$33.53 – $55.51Price range: $33.53 through $55.51 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
Retaining Wall Sleeper & Steel Calculator - Melbourne
Use our retaining wall calculator to estimate the concrete sleepers and galvanised steel posts required for your retaining wall project in Melbourne or regional Victoria.
This calculator is designed specifically for concrete sleeper retaining wall systems and provides an indicative material estimate only, based on your wall height, 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’re 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 Melbourne projects
- Retaining wall height, soil conditions, and drainage can affect engineering requirements
- Walls over certain heights may require engineering design or council approval
- This calculator does not replace professional engineering advice
For larger or load-bearing retaining walls, we recommend speaking with our team before ordering.
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Concrete Sleeper Requirements
This is how many concrete sleepers you will need for your wall.
10 pcs
48 pcs
480 pcs
Steel Posts Requirements
100 UC/PFC 75-80mm Sleeper
150 UC/PFC 100-120mm Sleeper
0 mm
0 mm
0 pcs
Step Closer to Your Project: Fill Out for a Precise Concrete & Steel Estimate
Need help or a fast quote? Use the calculator to get started, then submit your details via the enquiry form for a no-obligation sleeper and steel quote, or call our team at 0485 856 986. for tailored advice on your Melbourne retaining wall project.
Why Choose Us for Retaining Walls in Melbourne?
We supply engineer-certified concrete sleepers and galvanised steel posts for durable retaining walls. Enjoy competitive prices, fast delivery across VIC and Australia-wide, or convenient pickup in Melbourne (Dandenong South, Bayswater, Campbellfield).

Great Customer Service
Get clear, practical advice on concrete sleepers and retaining wall steel, backed by real project experience. Our team assists with quantities, wall heights, sleeper selection, and steel compatibility for Victorian site conditions.

Instant Quote Online
Request a no-obligation estimate for your retaining wall project. We’ll help you confirm sleeper sizes, steel post requirements, and delivery options before you place an order.

Pickup or Delivery
Choose pickup where available or arrange reliable delivery across Melbourne metro and surrounding Victorian regions. Free delivery on steel.*

Best Price Guarantee
We offer competitive pricing on concrete sleepers and retaining wall steel, backed by our best price guarantee. If you find a like-for-like product cheaper, 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.
Posted on Karl HofmanTrustindex verifies that the original source of the review is Google. very quick response to quote , with great prices ,and same day delivery , exceptional ,Posted on Ari DTrustindex verifies that the original source of the review is Google. Thank you to Carlo for your efficient dealing with my order. Request for information prior and post order were responded to in a courteous and very timely manner. I was impressed by the response to my changing needs and Carlo’s understating in finding a solution. I would not hesitate in using the company again and recommending it to others.Posted on iDig Melbourne CarrollTrustindex verifies that the original source of the review is Google. The team at RWS go above and beyond. Quality and service is second to nonePosted on Aaran LTrustindex verifies that the original source of the review is Google. Awesome service, great communication. Highly recommend this company.Posted on Barbara OzolsTrustindex verifies that the original source of the review is Google. Thank you Carlo for your professional and knowledgeable help. It was wonderfully refreshing to deal an efficient company who followed up every detail from ordering to delivery. I would definitely recommend themPosted on Daniel LawTrustindex verifies that the original source of the review is Google. Ordered from them, fantastic experience. Will be coming back again!Posted on Chris NeilsenTrustindex verifies that the original source of the review is Google. Fantastic customer service! Kevin was amazing and we got our delivery within one business day.Posted on Peter PapadopoulosTrustindex verifies that the original source of the review is Google. Exceptional service. Carlo was able to provide exemplary service in a timely and professional manner. Arranging a large order of retaining wall supplies in an efficient manner. Couldn’t recommend another supplier highly enough.Posted on Paul PapadopoulosTrustindex verifies that the original source of the review is Google. I recently purchased some concrete sleepers and steel posts from RWS, and I couldn't be happier with the quality of their products and the excellent customer service provided by their representative, Carlo. Carlo was extremely knowledgeable about the products and helped me choose the right combination of sleepers and posts for my project. He was patient with my questions and made sure that all my concerns were addressed before I placed my order. The products themselves were of high quality and exceeded my expectations. The concrete sleepers were sturdy and well-made, and the steel posts were strong and durable. I appreciated the attention to detail that RWS put into their products. Overall, I would highly recommend RWS for anyone in need of concrete sleepers and steel posts. Carlo was a pleasure to work with and the products themselves were top-notch. Thank you, RWS!Load more
Engineering, Compliance, and Product Standards
At Retaining Wall Supplies, all concrete sleepers are steel reinforced and manufactured to comply with AS3600/2009. Our concrete sleeper systems can be engineered and certified for retaining walls up to 4.5 metres high, depending on site conditions, wall layout, drainage, and design requirements.
Concrete sleepers are supplied in 40MPa and 50MPa strengths, with 2 × N10 reinforcement bars, or N12 bars on selected products, using ACRS-compliant steel.
Our retaining wall systems are suitable for structural applications when designed in accordance with relevant Australian Standards.

Retaining Wall Solutions for DIYers, Trades, and Professional Installers
Find premium concrete sleepers and steel posts for any retaining wall project in Melbourne. Whether you’re a DIYer, trade professional, or contractor, we offer durable, easy-to-install materials.
- DIY-Friendly: User-friendly products with installation guidance
- Trade Approved: Bulk quotes and custom steel cutting
- Professional Installation: Available through trusted Melbourne contractors
For all your retaining wall needs, trust our efficient and reliable solutions.
Need Help With You Retaining Walls Project?
Get a FREE consultation and no-obligation quote for your Melbourne concrete sleepers project. Speak to a retainingw all expert now.


About Retaining Wall Supplies
Retaining Wall Supplies (ABN is 59 606 420 263), supplies concrete sleepers, galvanised steel posts, and retaining wall components for residential and commercial projects across Melbourne and regional Victoria.
We support DIYers, landscapers, and trade customers with practical advice, reliable supply, and materials designed for long-term retaining wall performance. Our range includes multiple sleeper lengths, thicknesses, colours, and finishes, sourced from trusted Australian manufacturers.
From small backyard retaining walls to larger commercial projects, our team focuses on getting the details right, from product selection and quantities through to delivery and pickup options.
Delivery and Pickup Across Melbourne & Victoria
You can collect concrete sleepers or retaining wall steel posts from our Melbourne and Victorian warehouse locations, subject to product availability:
- Dandenong South (Kitchen Rd & Ordish Rd)
- Officer (Officer South Rd)
- Bayswater, Hallam, Cranbourne West
Delivery is available across Metro Melbourne and regional Victoria, including Geelong, Ballarat, and Bendigo. Delivery logistics and stock availability are confirmed at the time of order based on product type, quantities, and transport requirements.
For projects outside Victoria, interstate delivery options can be discussed with our team at the time of enquiry.

Our Most Popular Melbourne Products
Concrete Sleepers Melbourne for Retaining Walls, Premium Range 75-120mm Concrete Sleepers
$58.99 – $88.45Price range: $58.99 through $88.45 inc. GST Select options This product has multiple variants. The options may be chosen on the product pageConcrete Sleepers Melbourne for Retaining Walls, Premium Range 75-120mm Concrete Sleepers
$58.45 – $87.90Price range: $58.45 through $87.90 inc. GST Select options This product has multiple variants. The options may be chosen on the product pageConcrete Sleepers Melbourne for Retaining Walls, Premium Range 75-120mm Concrete Sleepers
$54.08 – $83.49Price range: $54.08 through $83.49 inc. GST Select options This product has multiple variants. The options may be chosen on the product pageConcrete Sleepers Melbourne for Retaining Walls, Premium Range 75-120mm Concrete Sleepers
$56.75 – $86.20Price range: $56.75 through $86.20 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.
Council approval requirements vary depending on wall height, location, and site conditions. Walls over 1 meter or supporting loads may require engineering and council approval. We recommend checking with your local council or engineer.
Concrete sleepers offer greater durability, require less maintenance, and do not rot or warp like timber. Timber sleepers may be suitable for lower walls, while concrete sleepers are typically preferred for structural applications.
Yes. Our team can assist with sleeper selection, steel post sizing, and compatibility based on your wall height, layout, and site conditions.
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. Although it is not required, we also encourage our customers to make their retaining wall steel post purchase together with their concrete sleepers. We have various steel posts available, including the 150uc 23, 200uc 46, 100 standard steel series, and more.
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 Melbourne, Victoria.
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.
We’re thrilled to offer multiple convenient options for you to receive your concrete sleepers and steel posts near you. You can either choose to pick up from the manufacturer we placed your order with, or take advantage of our delivery services. Our two pick-up locations are:
11 Kitchen Rd, Dandenong South VIC 3175
72 Officer South Rd, Officer VIC 3809
If you prefer delivery, we also have steel warehouses in:
Campbellfield 3061
Bayswater 3153
Hallam 3803
Cranbourne West 3977
Either way, you can expect the same high-quality products and friendly service.
We’re pleased to offer flexible and reliable delivery options to our customers in Melbourne 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.
Certain sleepers are engineered to achieve a retaining wall height of up to 4.5m.
Yes, all our sleepers can be cut to size with a concrete saw.
We specialise 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 Melbourne for the best results.
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.
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.
Need Help With Your Retaining Wall Project?
Use our quick estimate form to calculate material requirements, or contact our team for tailored advice on concrete sleepers, steel posts, and retaining wall systems for your Melbourne project.
Give us a call to talk us through your project to find the best deals and quote. Alternatively, just send us a text.
Contact us via email/form with your requirements or leave us your phone number and we’ll call you back.
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.







































