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.
FIT-OUT &
REFURBISHMENT
Specialised fit-out & refurbishment projects demand specialist skills. We have carved an enviable reputation for excellence, delivering brilliantly‑crafted solutions.
REMEDIAL &
INSURANCE
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.
FACADE
SOLUTIONS
With decades of experience, we have the knowledge to ensure the right solution for your building including replacement of defective and combustible cladding.
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.
Who we work with
What our
Clients Say
About Us
Issues were never brought to me without a solution. The team was always available, responsive and nothing was too hard or a bother for them. They were fantastic to deal with.
CJ Duncan performs at a very high level and their work is done with great care and quality. We have used them many times and continue to engage them for works where a high level of quality is critical.
CJ Duncan completed a cladding replacement project for Centuria at St Leonards where I was the client representative. The work they did was of a high standard and with good attention to detail. I would be happy to recommend the CJ Duncan team for cladding and remedial projects.
I worked closely with the CJ Duncan team on the rectification of the Zenix Residential Complex at Alexandria. It was delivered by a team with a positive attitude who always presented well, and managed themselves and their subcontractors professionally.
CJ Duncan’s proactive, solution-focussed approach throughout the Lend Lease Display Suite project ensured that Lend Lease’s design vision was realised in every detail. The team was responsive, creative and, above all, added value to the process at every stage.
I have worked with CJ Duncan on various cladding replacement projects. CJ Duncan is an experienced team, dedicated to providing a great outcome for the client. I believe CJ Duncan are leading the industry in cladding replacement and rectification. These guys go the extra mile.
I want to acknowledge the CJ Duncan Team for their exceptional work on the remedial repairs. Their professionalism, high-quality workmanship, and respectful approach have significantly alleviated the stress of the project. It’s been a pleasure working with them, and their dedication has made a remarkable difference.
I have worked with CJ Duncan many times over the last 10 years and found them to be an exceptional company. They are a highly focused team and have a genuine commitment to quality and cost.
Thank you very much for assisting us with not only replacing the combustible cladding from our building, but also your assistance with the complicated council sign off process. Additionally, thank you for your patience, help and support. You cannot possibly imagine the relief that this closure brings me and the owners group.
I have worked with CJ Duncan for many years and on various remedial projects. They are professional, friendly and focused on solving building problems. They have the right attitude to making sure that the work is fit for purpose and executed to a high level with care and skill.
Ben Duncan and his team provided us with a professional and flexible approach in a non-adversarial manner. Their ability to “think outside the square” in tackling complex issues has managed to ensure our targets were met.
Over a long and sometimes difficult project, Brent from CJ Duncan was always professional in his approach to the works, and on numerous occasions, he demonstrated a thorough understanding of the needs and requirements of some demanding residents while still managing to “get it done”.
I honestly believe that CJ Duncan’s attitude to ensuring a projects design intent is delivered is unique to the building industry. The Lend Lease Innovation Lab project has achieved excellent management feedback. I am pleased to be a referee for CJ Duncan.
I would like to call out the professionalism and expertise that was demonstrated consistently by CJ Duncan on our project to ensure the owners requirements were not only met but exceeded.
TM Insights worked closely with CJ Duncan in an ECI engagement for the Caroma Flagship Retail Store, Collins St, Alexandria. The challenges associated with complex staging works and site constraints were very well managed – The final product looks fantastic.
CJ Duncan’s support and dedication was outstanding. The team repeatedly demonstrated their willingness to go out of their way to ensure they delivered the outcome required. The support on site was a stand-out point for CJ Duncan. They did a great job managing tradesmen, owners and tenants to ensure all works were completed to a high standard.
I would thank the CJD team for the prompt and efficient manner that the restoration works have been carried out. All the tradesmen were polite, organised and completed their respective tasks in a timely manner.
CJ Duncan is very professional to work with. Their management and site teams have a thorough knowledge of construction methods and are always fair and reasonable to deal with. We recommend CJ Duncan because of their level of understanding of complex remedial works and there experience with live strata environments.
I just wanted to write a quick note to say thank you to you and your team for the completed works at Mantra on Kent. The team were very professional and completed the job on time are very happy with the final works.
CJ Duncan was appointed by Caroma to deliver their Flagship Storeroom at Collins St Alexandria. The team assisted during preconstruction by proposing value engineering options in order to meet the client’s budget requirements, and collaborated with the design team to ensure the desired outcome was achieved for Caroma. They delivered to a high-quality standard in line with our expectations.