CJ Duncan is a specialist building contractor focused on remedial, facades, insurance and fit-out & refurbishment projects. We are proud of what we do and we believe in the ethos of building strong – meaning we do what we say we’ll do for our clients.


Specialised fit-out & refurbishment projects demand specialist skills. We have carved an enviable reputation for excellence, delivering brilliantly‑crafted solutions.

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Fast, reliable and ever-resourceful. Remedial and Insurance work is what CJ Duncan is built upon, and we still do it better than anyone else.

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With decades of experience, we have the knowledge to ensure the right solution for your building including replacement of defective and combustible cladding.

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We have built an enviable reputation over the past 45 years. Every project is an opportunity to roll up our sleeves, find solutions, be resourceful, and get the job done.

Ben Duncan
Managing Director

We treat every project as an opportunity to demonstrate our expertise and build our reputation and relationships. When you work with us, you work with a team of managers focused on the success of your project. We have had this attitude for 45 years now.

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