Building Custom Homes in the Yarra Valley That Stand the Test of Time
For over a decade, we’ve helped families create homes that feel uniquely theirs — and built to last. We specialise in energy-efficient, architecturally inspired builds that honour your lifestyle, vision, and values.
For the visionaries who see a home as a legacy —
And the planners who want it built right the first time.

Featured Projects
and lasting quality come together.
Silvan
3 Bed | Passive Design | BAL-29 | Completed 2024
Lysterfield
6 Bed | Custom Build | BAL-29 | Completed 2025
Yarra Glen
4 Bed | Design & Construct | BAL-12.5 | Completed 2024
King Lake
4 Bed | Custom Build | BAL-40 | Completed 2023
Why Families Choose Cobalt
Tailored, detail driven, design guidance — Every project starts with your vision, shaped with expert guidance.
Fixed Price Confidence — Know where your money is going and why, upfront.
Difficult Builds Made Easy: BAL-rated, sloping blocks, off grid and septic builds are all in a day’s work for us.
More Than 20 Years Experience We’ve been building bespoke homes in the Yarra Valley for more than two decades. When it comes to building your dream home, Cobalt are your go-to building experts.
Energy Smart & Future Ready — Sustainable, Off-Grid Ready with passive design principles, and smart tech, security and bespoke lifestyle options.
Focused Communication – We concentrate on building the best homes for our clients over trying to churn out as many houses as we can. This ensures that our focus is always where it needs to be; on your home!
Total Trust – Referral-based growth, our clients are our best advocates. We build more homes because our clients recommend us.
A glimpse into a few of our recent builds — where warmth, sustainability, and lasting quality come together.
Ready to Start Your Custom Home Journey?
Let’s explore your goals and see if we’re the right fit. No pressure. Just a conversation that could shape your next chapter.
