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40 Years in business

Registered in 1974, Supa Group has 40 years experience and specialist knowledge in the domestic extension industry.

Award-winning builder

Supa Group has achieved significant industry recognition with four HIA Awards for the Best Renovations and Addition in 2004, 2005, 2007 and 2010.

Fully registered and insured

Supa Group is a long-term member of both the Housing Industry Association of Victoria and the Master Builders Association of Victoria. It also enjoys the highest regard of its Home Warranty Insurers.

Every project is specifically tailored to your design and budget

Every project is specifically designed by an expert Design Consultant allocated to your project with the support of a specialist team of architectural draftsmen and estimators in our office. Our team will work to your design requirements and your budget.

You can see your design in 3D

Don’t just wonder what your extension might look like after it’s built. With Supa Group, your design will be prepared with our state of the art drawing technology creating a 3D representation of the proposed extension for your full approval.


Supa Group offers you a unique opportunity to have your extension designed and costed to ensure that you are completely happy with the design and the price before incurring any financial or contractual obligations with the company.

HIA approved contracts

Supa Group exclusively uses the Housing Industry Association recommended Plain English Building Contract with provisions for fixed prices and fixed completion dates.

Fast building permits

Supa Group will expertly and quickly manage the building permit process to ensure that your project will be properly permitted and ready for construction to commence very quickly after contracts are signed.

Dedicated building team will look after you and your project

The construction of your project will be in the hands of a dedicated Construction Manager and Site Supervisor as well as being overseen by our General Manager- Building. It will be their task to manage all trades assigned to your project, maintain progress and quality and ensure that your property is clean, tidy and protected to minimize hazards on site during the construction process as well as ensuring full compliance with all Occupational Health and Safety requirements.

Professional and courteous tradespeople

Our trade contractors are selected by senior management (many of whom are long term contractors to the company) and all of which carry up to date qualifications, registrations and guarantees.

Expert office staff

Supa Group is proud of many long term staff in the office with their vast experience and knowledge of this specialist home extension business to make the design and construction of your extension the best possible in Greater Metropolitan Melbourne including Ringwood, Glen Waverley, Camberwell, Northcote, Bentleigh, Yarraville, Carnegie, Warranwood, Thornbury, Glen Iris, Ivanhoe East, Box Hill, Hughesdale, Alphington, Fairfield.

Hundreds of genuine testimonials

Join our many clients who have acknowledged our excellent design and construction process in the hundreds of testimonial letters we have at our office spanning over the last 39 years. A sample of some of our recent testimonials is enclosed but if you wish to see our full files please don’t hesitate to call into our office and take a look.


Find out more about our extensions

  • “The quality of tradesmen Supa Group employ are very good. Our original home was built by a volume builder and doesn't compare to the workmanship displayed by Supa Groups tradesmen.”

    Steve and Anna of Pascoe Vale South
  • “The works commenced in November and as promised the second storey was at lock up well before Christmas.”

    John and Grazie of Box Hill North
  • “Our previous experience of builders has not been great, however we immediately experience a far more professional, friendly and reliable approach.”

    David and Kathryn of Wantirna
  • “A big Thank You for a smooth project throughout all its stages, which did not interfere with our busy household of seven.”

    Naso and Eva of Bulleen
  • “Thank you for working with us over the last year to make our dream of renovating our much loved home a reality.”

    Mark and Catherine of Hampton
  • “Wez and I were very touched by the kind thoughts and flowers we received for our family loss, we warmly thank you so very much...and this is Supa Group!!!”

    Wez and Pina of Rowville
  • “You get results that make you smile every time you come home and open the front door. You get a home that brings you joy.”

    Steve and Jenny of Watsonia
  • “The Design process was like no other we have experienced. We were excited from day one and we are still smiling from ear to ear.”

    Kleanthis and Emma of Oakleigh East
  • “Our building supervisor Braidon Marshall was absolutely fantastic. He was friendly, approachable and accessible when we had a few issues out of hours. We sprung a leak on one rather rainy night, and he came to the rescue after his birthday dinner no less!”

    Danny and Melissa of Coburg
  • “The pleasant demeanor, accommodation of questions and assistance through the process has provide us with a feeling of a priority client. ”

    Peter and Louise of Alphington
  • “What was really impressive was that the building works were completed in an incredible 6 weeks!!!!”

    Chris and Michelle of Camberwell
  • “I highly recommend anyone to consider Supa Group for an extension on their home. I am absolutely delighted we chose Supa Group to make our dreams come true!”

    Tony and Claire
  • “We are very happy in our new home and we would like to thank all the staff at supagroup.”

    Dale and Cristina, Port Melbourne
  • “Supa Group has done a great job capturing our vision with the original ideas and plans we had in mind and the result is better than we would have expected.”

    Con and Daniella, East Keilor
  • “From initial plans right through to the end Supagroup have been polite, professional and super efficient and well organised. Thanks to everyone at Supagroup for helping realise my dreams.”

    Claudia, West Footscray
  • “We have no hesitation in recommending Supa Group and we have already started in our Church community, neighbourhood and Tin's work place.”

    David and Tina, Gladstone Park
  • “We would not hesitate to recommend Supa Group to any family or friends who may consider a house extension.”

    George & Elizabeth, Maidstone
  • “The end result has exceeded my expectations. Not only is the end result stunning but also the manner in which it was achieved was exemplary. I would have no hesitation in recommending Supa Group to others considering extending their homes.. ”

    Jane, Blackburn
  • “...we were looking for a no fuss solution, which would require as little input from us as possible. We certainly found that with the Supa Group. We found you professional and timely right throughout the building phase.”

    Peter and Rose, Taylors Lakes
  • “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.”

    Tom and Vicky, Mill Park
  • “We have found the whole experience of a new extension something interesting and exciting and are delighted to recommend Supagroup to our friends and neighbours.”

    Tim and Kathy, Beaconsfield
  • “Every day we look around and are amazed at what has been achieved. ...our journey with Supa Group has been amazing to say the least. ”

    Damian and Anthea
  • “We would not hesitate in recommending Supa Group to others that are thinking of renovating or extending.”

    Maria and Vince