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IINNOVATION Award Winning Home Extension Builder VIEW PROJECTS NEW MODERN Stunning Kitchen Renovation VIEW KITCHEN RENOVATIONS NEW MODERN Re-model Your Old Bathrooms VIEW PROJECTS
what we do

Multi Award Winning Renovation & Extension Builder in Western Australia

Extension & Addition

One Design and Construct is a multi-award winning extension and addition builder in Western Australia.

Kitchen Renovation

If you could visualise your dream kitchen John and his team at One Design and Construct can build it for you.

Bathrooms & Ensuite

With an extension and re-modelling of your home, why not include new bathrooms and ensuite to your master bedroom.

3×1 to 4×2 Home Conversion

We are specialists in converting simple 3 X 1 houses into intelligently designed 4 bedroom, 2 bathroom homes, complete with master ensuite and garage all wrapped up with exceptional quality craftsmanship and finishes.

Alfresco & Patio

Invest in your outdoor living space thatโ€™s both functional and beautiful. Imagine relaxing on your spacious deck, or entertaining guests on your stunning, fully equipped patio.

Commercial & Community Building Maintenance

We provide professional upgrade and renovation services for commercial and community facilities. Building needing some face lift? Talk to us.

Extension & Addition

Your character home lacking space to accomodate growing family? Why not extend at the back of the existing residence. Or it is possible to convert carport into an additional room and also have a lock up garage. Your 3×1 can be transformed to 4×2 home.

Renovation &
Re-Modelling

If you can visualise your new kitchen, laundry, and bathroom John and his team can turn your dream into reality.

Latest News

New projects, progress and updates from the One Design and Construct team.

  • As soon as we met John, we knew that he was the right builder for us When Kelly and her husband Dane wanted to fully renovate their 1970s Leeming home...

  • Once again, One Design and Construct are a Finalist for Master Builders Bankwest Housing Excellence Awards 2020 – Best Alterations & Additio...

  •   For One Design and Construct, 2019 has been another fantastic year helping wonderful clients achieve their building dreams. We are always honou...

Request Free Consultation Contact us to find out how we could realise your dream of renovating and extending your home. Request Consultation
MAKE APPOINTMENT Community & Commercial Building Maintenance Extension & Renovation Modernise Your Kitchen & Bathroom