Leading Builders of Granny Flats and Home Extensions Since 1994

Cubitt's Granny Flats and Home Extensions is a proudly Australian, family-owned and operated business. We’ve been in business for over 28 years and during that time we’ve perfected the process of designing and building a wide range of modern Granny Flats and top-quality custom Home Extensions.

Explore exciting possibilities with a free site visit from one of our experienced design consultants. We’ll work within your budget to bring the most value to your project, whether through a highly marketable granny flat or a home extension that adds thousands in value to your home.