About Barnet Building

Barnet Building is a well established residential building business specialising in custom home renovations, home extensions and outdoor living and entertaining areas throughout Perth. At Barnet Building we aim to provide quality building services that satisfy all the client’s requirements at a competitive price. The Company focuses on customer service and personal supervision on all projects.

For more than 25 years the Barnet Building team has worked diligently earning a reputation for excellence in custom building. Barnet Building is a conscientious, quality oriented builder with a track record of on time, on budget completion. Attention to detail, efficient scheduling, and pride in workmanship are the trademarks of every Barnet Building project. In addition, the business places strong emphasis on making the construction process a smooth and friendly one for every client.

Whether you need a custom home renovation, home extension and/or new outdoor living and entertaining area, at Barnet Building we can assemble the right project team for any job and tailor the construction techniques to your desires and budget.


    Working only with our hand-picked team of experienced experts, we take pride in our work and thrive on creating results that deliver above and beyond your expectations.


    Our mission is to establish a lasting, rewarding relationship with you and exceed your expectations.


    Business owner, Paul Sumner, is personally involved in every project and oversees a close team to guarantee your project is delivered on time, to budget and well above quality standards.