Design & Build Experts - Your Dream Home, Our Passion
At Duncan Thompson Extensions, we are passionate about delivering exceptional quality home extensions that exceed our clients' expectations. With over thirty years of experience, we have earned a reputation as one of Melbourne's premium home extension builders, specialising in single-storey and double-storey extensions, heritage home extensions, and renovations.
Our expertise lies in designing and building extensions that not only enhance the functionality of your home but also its aesthetic appeal. Our dedicated team of architects, draftspeople, and builders work together to bring your vision to life, ensuring that your extension is not only functional but also stylish and architecturally pleasing.
Our Services
At Duncan Thompson Extensions, we offer a comprehensive range of services that cater to your home extension needs. Our services include:
- House Extensions: We specialise in designing and building single-storey and double-storey extensions that add value to your home.
- Heritage Home Extensions: We understand the importance of preserving the historical integrity of your home, and our team of experts are dedicated to creating extensions that blend seamlessly with the original architecture.
- Renovations: Our team of experts can transform your existing home by renovating and upgrading its spaces to suit your lifestyle.
Our Approach
At Duncan Thompson Extensions, we take pride in our collaborative approach to delivering exceptional results. Our project managers work closely with our clients to understand their needs, and our design and building teams work together to bring your vision to life. We believe in delivering high-quality workmanship, using only the best materials, and providing accurate quotes and concept designs within weeks of our first meeting.
What Sets Us Apart
At Duncan Thompson Extensions, we set ourselves apart from other home extension builders through our attention to detail, commitment to quality, and dedication to delivering exceptional customer service. We understand that your home is one of your most valuable possessions, and we treat it with the care and respect it deserves.
Our Team
Our team consists of qualified architects, draftspeople, and builders who have extensive expertise in home extensions, additions, and renovations. We have a deep understanding of the building process and are passionate about delivering exceptional results.
Our Mission
At Duncan Thompson Extensions, our mission is to provide outstanding home extension solutions that exceed our clients' expectations. We strive to deliver high-quality workmanship, provide exceptional customer service, and understand the needs of our clients to create extensions that are not only functional but also beautiful and architectural.
Design and Build Quality
The reviewers praised the design and build quality of Duncan Thompson Extensions (DTE), with many mentioning the attention to detail and high-quality finishes. The company's designers, particularly Jim and Bryn, were commended for their skill and ability to unlock value in the designs.
Project Management and Communication
The project managers, Nick and Sam, were highlighted for their excellent management skills, ensuring that the projects were completed on time and on budget. The reviewers appreciated the smooth communication and transparency throughout the build process.
Team and Tradespeople
The reviewers were impressed with the professionalism and friendliness of the entire team, including the tradespeople. They praised the quality of work and attention to detail, making the build process stress-free and enjoyable.
Customer Service and Satisfaction
Duncan Thompson Extensions was commended for their dedication to customer satisfaction, with several reviewers mentioning that the company went above and beyond to ensure they were happy with the final result. The company's pride in their work and reputation was also noted.
Overall Experience
The reviewers were extremely satisfied with their overall experience with Duncan Thompson Extensions, with many highly recommending the company to others considering a build or extension.

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