Our Projects

We have been building quality home extensions since the 1980s and with over 1,000 successful projects undertaken, we are respected within the industry by our peers as a leader in the field of home extensions, design and construction.

View a selection of our home extension projects:

Everyone we had contact with was wonderful. The plasterers and electricians were all great guys and tidy workmen. The main contact was Chris, who was great and I really only have good things to say about Duncan Thompson Extensions.

Angela Anderson

House Extension Enquiries

Extension details

Getting started

Tim Millar Senior Design Consultant

Planning your home extension doesn't have to be daunting. Let us take some of the stress away. We offer a free, no obligation design consultation.

A senior member of our design team will be happy to talk to you and arrange a design consultation. We'll listen to your needs and discuss the best options for your family's lifestyle and budget.

Phone us on (03) 9836 8655 today to arrange your obligation-free Design Consultation across Melbourne's inner Eastern and bayside suburbs including Camberwell, Glen Iris, Brighton East, Surrey Hills, Balwyn, Hawthorn East, Brighton, Kew, Balwyn North, Caufield North and others!