Nahuel Acosta Martinez
Perth, WA
“This is a great construction company, and I trust them completely. Tom is always communicative and professional, and his experience really shows in the quality of his work. Highly recommended.”
Google Review
Free Retaining wall Calculator
Retaining wall Cost Calculator Perth
Get an instant indicative estimate for your project. Cost of works and our disclosed management fee are shown separately, consistent with your formal quote. All prices include GST.
Estimating outdoor only. Need a different project type? Try the full calculator.
1
Choose Project Type
2
Project Size
5
m²3
Finish Level
4
Optional Add-ons
Your Estimate
🧱Retaining wall
Estimated Cost of Works
$1,785
$357 per m²
Materials, labour and subcontractors only — our management fee is shown separately below.
Low
$1,063
High
$2,975
Management fee (18.5%, locked & disclosed)$197 – $550
Estimated total project cost$1,259 – $3,525
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Estimates are indicative only. Cost of works excludes our locked, disclosed 18.5% management fee, shown separately above. Final pricing requires a formal site-specific quote from our team.
Overview
Retaining Walls Built to Hold, Not Just Look Good
A retaining wall is a structural element, not a landscaping feature — footings, drainage and material selection all need to be engineered correctly for the height and soil conditions on your block, or the wall fails.
Drainage behind the wall is the detail most often skipped by unlicensed operators, and it's the single biggest cause of retaining wall failure in Perth's clay and sand soils. We include proper drainage as standard.
A smaller retaining wall starts from around $1,250+ cost of works at our budget rate for 5m², scaling up for height, engineering certification and finishing.
Material choice is a genuine trade-off, not just an aesthetic one — limestone block suits sandy Perth soils and is a common heritage-area choice, timber is the most economical for lower walls, and concrete sleeper or besser block generally offer the best durability for taller or load-bearing walls.
What's typically included
Excavation and footings sized to wall height
Wall materials (block, timber or concrete sleeper)
Drainage behind the wall
Backfill and compaction
Engineering certification where required by height
One locked management fee, no hidden margins
Google Reviews
Real feedback from Regional Construct clients
5.0 stars across 19 Google reviews. Rotating through real client feedback below — see the full set on Google.
Read All Google ReviewsWhy We're Different
Why We Build This Way
Built to Finish What We Start
Our management fee is locked and disclosed before work starts, so we're financially committed to your build the same way on day one as on day one hundred — steady quality and pace, first brick to handover.
Full Cost Transparency
You see the real cost of your build and exactly what our fee covers, every time.
Fair, Disclosed Variations
Scope changes are billed at the real invoiced cost with the same disclosed fee added — what you see is what you pay, every time.
Flexibility
Change finishes or scope mid-build and your fee structure stays exactly the same.
FAQ
Common Questions
In most cases yes — limestone block is a common Perth retaining material and we can typically match coursing and finish to existing walls on your property, though exact stone matching depends on age and weathering.
A smaller retaining wall starts from around $1,250+ cost of works at our budget rate for roughly 5m², with taller or longer walls typically running $2,100–$3,500+ per square metre depending on material and engineering requirements. Use the calculator above for an estimate.
Walls over a certain height (typically 500mm–1m depending on council) need engineering certification. We confirm the exact requirement for your wall and arrange certification as part of the project.
Yes — the calculator above is completely free, gives an instant indicative estimate, and doesn't require you to submit any details unless you want a formal, site-specific quote afterward.
It's a genuine indicative range based on real Perth build rates, not a marketing number. Your exact cost depends on your site, chosen finishes and any project-specific factors, which we confirm during a free assessment.
You see the real, invoiced cost of materials and trades, plus one flat, locked management fee agreed before work starts — the same rate regardless of project size, with no separate margin hidden inside supplier quotes.
Our Promise
Our 10% Guarantee
Transparent Pricing, Backed By Our Guarantee
If your final cost tracks more than 10% above our upfront estimate, we'll automatically bring in our in-house experts for a free consultation — reviewing where costs are tracking over and identifying options to bring your build back on budget. No extra charge, and we act on it proactively, before you have to ask.
Get Started
Ready to Start Your Retaining Wall Project?
No pressure, no obligation — tell us a bit about what you have in mind, and we'll come back with honest advice on scope and cost.
Financing your project? Ask us about staged payment structures aligned to build milestones — we're happy to talk through options.
Where We Work
Based in Subiaco, working across the western suburbs including Shenton Park, Daglish, Jolimont, Karrakatta, Nedlands, Claremont and the wider Perth metro area.