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WESTERN AUSTRALIA
Faster Builds.Lower Costs.
Tackling Western Australia's rising housing costs head-on. We deliver modular, expandable granny flats and precast homes faster than conventional building methods.
45+
Years Experience
100%
NCC Compliant
2021
Established
About Steel Stone
Building Smarter Across WA
Steel Stone is a Perth building company specialising in modular, expandable granny flats, supplied and installed across WA. We also build precast residential homes and take on structural steel projects. Experience and a commitment to excellence mean every project meets the highest standards at the best possible price.
Rapid Construction
Our lift-in-place technology and precast solutions reduce build times from months to days.
Cost-Effective
Minimized on-site labor and material waste means savings passed directly to you.
Engineer Approved
Every build is engineer-designed and approved to meet Australian standards for safety and durability.
All In-House
We handle design, build and installation. No middleman markups or communication breakdowns.
Our Process
How We Work
A streamlined approach to ensure your project runs smoothly from concept to completion.
01
Consultation & Quote
We discuss your project requirements and provide a detailed, competitive quote.
02
Design & Approval
We tailor the design to your site and help you through the council approval process.
03
Off-Site Build
Your granny flat is built off-site, so there is very little disruption at your property.
04
Installation
Delivered by truck and lifted into place by crane. We install it, not just sell it.
Free Consultation
Competitive Quotes
On-time Delivery
Our Services
Our Building Services
Granny flats supplied and installed, precast homes and structural steel projects across Perth and WA.
Get a Quote Today
Ready to start your
Project?
Contact Steel Stone for your granny flat, precast home or structural steel project.
Free Quotes
Australian Standards
On-time Delivery
Team of Experts
Call us directly:08 9302 1880