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Our home extension services

Love living in Mitcham, but want to get more out of your house?
Our Mitcham builders and designers can help you get the most out of your property for years to come.
With over 40 years of building experience in Mitcham, Supa Group know what it takes to add space and style to your home.
Our streamlined process takes you through the design phase, contract preparation phase, and build phase, allowing you to enjoy your newly renovated home, faster.


Our Mitcham Homes

We’ve been renovating homes in Mitcham for years, and we know our way around the neighbourhood. With beautiful parks, generous block sizes, a refurbished and convenient railway station, and some of Melbourne’s best cafes on Mitcham Road, there is a lot to like. Many of the homes in Micham date from the 1950s and ’60s, when the area was opened up to suburban development. We love working on those properties. Read about some of the work we have done in the area to find out more.

Additionally, with decades of experience, we know the Whitehorse city council inside and out. We can navigate all the bureaucratic requirements, and get your renovation finished, by the book and on time.

What our customers are saying

Tom and Vicki of Mill Park

My family and I would like to thank you for your excellent quality of work done on our second level extension. It’s been an exciting six months watching our house turn into the home we were hoping for.

David and Joanne of Clifton Hill

I thoroughly recommend Supa Group as their customer first policy and workmanship has been of the highest quality

David and Kathryn of Wantirna

Our previous experience of builders has not been great, however we immediately experience a far more professional, friendly and reliable approach.

About Supa Group

Just like our home extensions and renovations, Supa Group has stood the test of time. We were founded in 1974 by Frank Way, laying a solid groundwork of commitment and service to his staff, subcontractors, and most importantly, his clients — families seeking to remain in the home they know and love.

Now owned and operated by Neil Gardiner, Supa Group’s original commitment has remained the same. Today, our clients are still offered the peace of mind that comes with hiring a builder who takes projects from conception to completion.

Our reputation as a multi-award-winning master builder is built upon a foundation of commitment to quality. We are proud to deliver best possible outcomes for our clients, and we want to do the same for you. Contact us for a free design consultation, and begin building towards the future.

SEE MORE + Book a Free Design Consultation

Why choose Supa Group

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Free Design Consultation Free Design Consultation
40 Years Experience 40 Years Experience
Fixed Price & Completion Time Fixed Price & Completion Time
All Areas Serviced All Areas Serviced


Are we allowed to continue living in our Mitcham home during the build?

Some families want to continue living at their property during a renovation and, often, this is possible to achieve. Sometimes, when amenities like a bathroom or a kitchen are directly involved in construction, living at the property will not be tenable. However, if you let us know your preferences, we will do everything possible to make you feel at home during the building process.

Is it possible for us to contract our own tradespeople?

Yes. If you want to hire specific tradies for the job, that’s fine with us. We will, however, require that they comply with our Occupational Heath and Safety standards, and meet the necessary insurance requirements.

Additionally, we can only guarantee that our tradespeople will finish a job by a set timeline. You’ll have to set up a separate contractual obligation between yourself and your preferred tradies, with its own timeline.

How long does it take to do a home extension in Mitcham?

Depending on the type of project, and any hurdles that have to be overcome, the timeline for a home extension or renovation varies. However, we do our research early on in the design phase. We spend time identifying potential issues, like hazards, obstacles, and heritage listings, and make sure your design is properly engineered to last the distance..

But when we do set a completion date for a project, we keep it. Once we reach the stage where a contract is being drawn up, you’ll have a precise completion date for the build.

Am I able to contribute to the design of my Mitcham renovation?

Certainly. In fact, we prefer it that way. Our designers will work with you, listening to your ideas and desires, and will use that information in their designs. It’s all about making your aspirations into a reality.

The process starts with a Free Design Consultation, where we take stock of everything that you want from your home extension or renovation. From there, we can figure out a practical plan to get the job done.

Book your Free Design Consultation

Not sure where to begin? Our Free Design Consultation is the perfect place to start. The 3D concept drawing helps you visualise your dream space.