Duplex Home Builder

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Looking for a Duplex Home Builder in Sydney?

Builder Sydney specialises in Dual Occupancy Home Building & Duplex Designs. We are builders that have helped our clients design and construct quality houses at affordable rates for over 40 years. We will work with you every step of the way to make you the proud owner of your new home.


We support you to maximise the potential of your property. Our architect and a team of specialised planners for you are will ensure that the designs are within your budget. This gives you the security that the designs are achievable and efficient, and we present the estimates of the whole build upfront, so there are no surprises or hidden charges. Call us today to find out what Duplex design we can build on your property!


Let us help you build your dream home. Talk to us today or get a free quote.

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Our Process

  • Call us to have a brief chat
  • Organise a meet for detailed discussion
  • Review the contract
  • Get started
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Duplex Builder Sydney Works

Professional Consultation

Professional assessment

We’ll discuss ideas and budget then draw up a quote for you. Two quote revisions are available following that. We’ll work with you to decide what design suits your needs best and begin the planning approval process.

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Competitive rates

There are a few different factors that the total build cost will depend on. These include overall project size, the complexity of the design, added inclusions, characteristics of the site e.g. difficult to access. A dependable quote can be given with this in mind and you’ll have the answer you're looking for upfront.



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Guaranteed satisfaction

Following approval, the scope of the work, materials and finishes will be worked out so that we know the price is fixed. Construction and project management will begin and in a matter of weeks it will be completed and handed over to you! Seems simple? Give us a call and let's start an obligation free chat! 



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