Business Details
46 Years
experience
Emergency
services
Trusted Construction Contractors in Homebush, NSW
CJ Duncan has built an enviable reputation over 45 years as a specialist building contractor focused on remedial works, facades, insurance repairs, and fit-out/refurbishment projects. Our ethos of 'building strong' means delivering on commitments to clients through resourcefulness, problem-solving, and a relentless focus on quality. With decades of experience, we provide tailored solutions for complex projects including facade upgrades, cladding replacement, and remedial repairs across commercial, residential, and industrial assets. Our ISO9001-certified processes ensure high-quality delivery by dedicated project teams who prioritise client satisfaction.We specialise in managing sensitive construction activities around occupied buildings while maintaining strict compliance with safety and environmental standards. Our team's expertise in early contractor involvement and value engineering helps eliminate risks and deliver cost-effective solutions. With a proven track record in completing projects on time and on budget, we maintain long-standing relationships with clients, consultants, and tradespeople. Our commitment to continuous improvement and innovative problem-solving has made us a preferred supplier for major insurers and developers across NSW and ACT.
Services
Remedial Repairs
Facade Solutions
Insurance Works
Fit-out Projects
Cladding Replacement
Details
- Year established: 1980
Highlights and features
- 45 years of specialist construction experience in remedial and insurance works
- ISO-certified quality, safety, and environmental management systems
- Proven track record with 90% repeat clients and complex projects
- Dedicated project teams with 10+ years average staff tenure
- Proactive solution-focused approach with early contractor involvement
Associations and certifications
- ISO9001
- ISO14001
- AS4801
What people say
Exceptional work
High-quality workmanship
Proactive approach
Professional team
Complex issues resolved
Services
Remedial Repairs
Specialist remedial building services for commercial, residential, and industrial assets. Our team delivers high-quality structural repairs, waterproofing solutions, and facade restoration while minimising disruption to occupants. With ISO-certified processes and experienced project managers, we handle complex defect rectification including concrete repairs, fire safety compliance, and home warranty claims. Our 45-year track record demonstrates expertise in managing stakeholders across strata environments while maintaining strict quality standards through dedicated delivery teams.
Facade Solutions
Comprehensive facade services including cladding replacement, heritage preservation, and window repairs. We specialise in urgent ACP rectifications and safety upgrades while offering cost-effective maintenance solutions. Our team combines technical expertise with aesthetic sensitivity to deliver modernised exteriors that enhance property value. With decades of experience in high-rise buildings, we ensure compliance with safety regulations while maintaining minimal disruption to building occupants through carefully planned project execution.
Insurance Repairs
Emergency response and building reinstatement services for insurers and brokers. Available 24/7 for catastrophe response, we handle volume claims management and major loss projects with dedicated teams. Our ISO-certified processes ensure accurate reporting, transparent pricing, and timely delivery. We specialise in managing complex stakeholder requirements across residential and commercial properties while maintaining strict compliance with insurance industry standards through our experienced project management teams.
Fit-out Projects
Specialist fit-out and refurbishment services for commercial and residential spaces. Our team delivers complex projects with attention to detail through early contractor involvement and value engineering. We manage preconstruction planning, procurement options, and site execution while maintaining ISO-certified quality standards. With expertise in retail, hospitality, and office environments, we ensure seamless delivery through dedicated project managers who coordinate design integration and budget compliance for both small-scale make-goods and major refurbishments.
Cladding Replacement
Urgent cladding replacement services for defective or combustible materials. Our experienced teams handle full facade upgrades while managing council compliance and stakeholder communication. With proven expertise in complex staging works and site constraints, we deliver safe, code-compliant solutions across residential and commercial buildings. Our approach combines technical expertise with transparent project management to ensure timely completion while minimising disruption to occupants through carefully coordinated logistics and quality assurance processes.
People
Ben Duncan
Managing Director
With over 20 years in construction, Ben has built CJ Duncan into a leading remedial specialist. His leadership focuses on quality delivery and client relationships, maintaining the company's founding principles of reliability and commitment to excellence.
Ian Richards
General Manager
Ian brings 40+ years of construction experience across residential and commercial projects. As General Manager since 2009, he oversees project requirements and performance, ensuring adherence to quality standards and client expectations.
Brent Baxter
Construction Manager
With 20+ years at CJ Duncan, Brent leads complex projects with precision. His expertise in people management and quality assurance ensures successful delivery of large-scale remedial and insurance works across NSW and ACT.
John Park
Construction Manager
John has 35 years of industry experience delivering complex projects. His focus on client relationships and project management excellence ensures seamless execution of remedial and fit-out works while maintaining strict compliance with safety standards.
Nick Marston
Director Project Management
Nick leverages extensive project management experience to deliver complex remedial solutions. His innovative approach to problem-solving and client collaboration has resulted in successful outcomes for challenging construction projects across diverse environments.
Questions
What construction services does CJ Duncan specialise in?
We specialise in remedial repairs, facade solutions, insurance works, fit-out projects, and cladding replacement. Our expertise covers commercial, residential, and industrial sectors with a focus on complex defect rectification and compliance upgrades.
How long has CJ Duncan been in business?
We've been operating for 45 years, establishing a strong reputation for quality delivery in remedial construction and insurance repairs across NSW and ACT.
Do you offer emergency construction services?
Yes, we provide 24/7 emergency response for insurance claims and urgent repairs, with trained personnel ready to mobilise within hours of notification.
What accreditations does CJ Duncan hold?
We maintain ISO9001 (quality), ISO14001 (environmental), and AS4801 (OHS) certifications, demonstrating our commitment to industry best practices and continuous improvement.
How do you manage complex stakeholder requirements?
Our experienced project teams specialise in managing multiple stakeholders through transparent communication, early contractor involvement, and tailored solutions that address all parties' needs while maintaining project timelines.
Can you handle large-scale cladding replacement projects?
Yes, we're industry leaders in combustible cladding replacement with extensive experience delivering complex facade upgrades while ensuring compliance with safety regulations and council requirements.
Reviews (1)
Adrian Brown
Jan 02, 2020
Report
Have dealt with them on and off for 10yrs and have always found them to be great to work with. Honest, down to earth, and no politics/ego. Definitely recommend them as a builder or as a place to work with absolutely no hesitation.
