Renovations · Extensions · New Custom Homes · Design + Build
Melbourne's custom home specialists.
Fixed pricing. One dedicated team. Real-time project updates. Highend custom renovations, extensions and custom homes, design and build Services across Melbourne.
4.8 ★ from 15+ Google reviews · Building in Melbourne since 2013Our building services
Our services are structured to support different build types.
Whether you're starting with a hand drawn sketch or a fully approved set of plans, we guide your project from concept to completion, managing everything from design and council approvals through to construction and handover. Explore the pathway that best suits where you're at.
Design + Build
One relationship from first sketch to final handover.
New Custom Homes
Architecturally designed, bespoke homes tailored to your lifestyle and site.
Renovations & Extensions
Thoughtful transformations that improve flow, function and long-term value.
Knockdown Rebuild
A smarter alternative to renovating when starting fresh makes more sense.
Why Demardi
Built on standards. Held together by people you can actually call.
Matched to the Right Designer
We assess your brief, investment and vision, then introduce you to the right designer or architect from our trusted collaborator network. Not one size fits all, the right fit for your specific project.
Client Portal & Real-Time Visibility
From the moment you sign, you have a dedicated portal with real-time project visibility. You'll always know what's happening. No chasing, no surprises.
Genuine Craftsmanship
Our in-house construction team includes tradespeople who’ve been with us since their apprenticeships, alongside long-standing subcontractor partnerships that go back to our very beginning. The result is consistent quality, trusted workmanship, and attention to detail on every project.
Selective, Not Volume
We run a limited number of projects at a time. Not because we have to, because that's how we keep the standard high.
Our work
Recent projects across Melbourne's premier suburbs.
Recognition
Proudly recognised through industry awards and featured projects
APB Business Partner of the Year
Houzz Best of Design
View profile
Channel 9 Dream Homes Revealed
WatchWhat our clients say
"We were never left guessing, and that meant everything."
"We called upon Michael and the team at Demardi to run with an extensive interior renovation. They handled the job well and we are thrilled with the end result. They have given life to the thoughts and discussions we planned with the architects."
"Michael and the Demardi team were fantastic. They delivered what they committed to, did a great job and left the job with a clean space (not all trades do this). Thanks team, highly recommend!"
"We had a superb experience and result with our renovation in Mitcham this year. We chose Demardi based on their professional social media and their work looked amazing. Right from our initial meeting, Anthony understood our vision and expertly fleshed out our ideas and found things we hadn't thought of that would improve the result."
Considered detail. Made to last generations.
The people behind your project
The Demardi team. Same faces, start to finish.
Anthony
Director & Business Manager
Michael
Director & Operations Manager ·
Christina
Office Manager
Johnny
Construction Supervisor
Free guide
The Design & Build Roadmap: From Concept to Handover.
A step-by-step guide to the Demardi design & build process, from first conversation to handover. Every stage explained from the client's perspective.
Next Step
Ready to talk about your project?
We take on a limited number of projects each year. Tell us about yours and let’s see if we’re the right fit. You don’t need to come in with all the answers. We’ll help you understand the best next step for your project.