At Capital Building Contractors, we specialise in designing and building stunning home extensions that combine beauty with practicality across Melbourne. With over 20 years of experience, our team ensures that your extension project is completed to the highest standards, on time, and within budget.
Based in Mont Albert, we offer a comprehensive service that begins with a complimentary consultation to discuss your vision and budget. Our experienced team maintains transparent communication throughout the process, with no hidden fees, fixed pricing and completion times, making your extension journey straightforward and stress-free.
Why Work with Capital Building?
At Capital Building Contractors, we approach every Melbourne house extension project with dedication and craftsmanship, ensuring stunning and practical designs that enhance your living space. With over 20 years of experience, our team specialises in energy-efficient extensions, from single-storey additions to double-storey transformations. We provide comprehensive project management, ensuring your extension is completed to the highest standards, on time, and within budget. Whether you want to expand your living area or create an open-plan design, our experienced team is committed to delivering quality workmanship and a stress-free process from start to finish.
Our Process
We take the time to get to know your renovation needs and requirements to set up for a fantastic build
We can professionally draw up plans, and manage town planning if required.
Commence build
We then begin the project. Our builders are clean and professional.
Enjoy your new home
Join our long list of satisfied customers and love your dream home.
10 Year Structural Guarantee
We stand behind our work with confidence. Every project comes with a decade-long promise of structural integrity and peace of mind.
Building Since 2004
With a passion for extension & renovations, we’ve been turning old houses into new homes for 20 years.
Free Consultation & Advice
We’re with you for every step of the way, starting with a quality free consultation.
Don’t Just Take Our Word For It
Capital Building offer a variety of home extension options, including rear extensions, side extensions, loft conversions, basement conversions, and multi-story extensions, depending on your specific requirements and property layout.
The need for planning permission depends on factors such as the size and location of the property and the proposal, along with property covenants and overlays.. Our team will assess your project and advise you on the necessary permits and planning regulations.
Yes, Capital Building offer design and build services to plan and visualise your home extension. Our team of designers can provide free, no obligation concept designs and budgets, which can be formalised into professional drawings by Architectural Draftspeople.
To get started, you can contact us to schedule an initial consultation. Our team will visit your property, assess your needs, discuss design ideas, provide an estimate, and guide you through the next steps.
Depending on the scope of the extension and the level of disruption, it may be possible to live in your home during the construction. However, there may be certain periods where temporary accommodation is recommended or required.
Typically, house extensions cost $3500-$4500 per square metre. This cost will change based on your build preferences. The most accurate way to find out how much your extension will cost is to get a free quote.
Our Credentials
Building an extension or renovating is one of the biggest purchases in our lifetime. Therefore, it is essential that before going ahead with a project you can trust the building company that you choose. Capital Building has an impressive list of credentials which means that should you choose it, you will be using a trusted, experienced, honest and safe building operator.
Registered Building Practitioner
Peter Harnischmacher and Travis Vinton, are ‘Registered Building Practitioners’ with the Victorian Building Authority.
Master Builder
Travis is currently a Master Builder member of Master Builders Australia.
Green Living Master Builder
Capital Building is registered as a Green Living Master Builder Master Builders Association.
Victoria Building Authority
You can check Capital Building’s registration credentials by contacting the Victorian Building Authority. (Tip: search for ‘harnischmacher’ or 'vinton' under the Practitioner Name field)
Public Liability Insurance
Capital Building has Public Liability Insurance up to $5 million. For information about Public Liability Insurance see: Public Liability Insurance
Contract Works Insurance
Capital Building has Contract Works Insurance. For information about Contract Works Insurance see: CoverForce
Service Areas
We generally service the below areas, but please contact us to confirm.
- Melbourne
- Yarra
- Port Phillip
- Moonee Valley
- Moreland
- Darebin
- Nillumbik
- Banyule
- Boroondara
- Manningham
- Whitehorse
- Monash
- Greater Dandenong
- Glen Eira
- Bayside
- Kingston
- Maroondah
- Knox
