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Granny Flats in NSW

View our range of 1, 2 and 3 Bedroom Granny Flats to suit NSW Building conditions

Granny Flat Inclusions

Granny Flats in ACT

View our extensive range of 1, 2, and 3 Bedroom Granny Flats designed to suit building regulations in the Australian Capital Territory

Bottlebrush Custom Grannyflat

Cubitt's Spacious 3 Bedroom Granny Flats

Call us today to discuss pricing and design options.

3 Bedroom Granny Flats

Is it a Granny Flat or a House? Make a home in your backyard with these compact luxury models

A three-bedroom granny flat from Cubitt’s is the ultimate in compact luxury.

A beautiful three-bedroom home in your own backyard is what you can expect when you build from our Banksia or Bottlebrush range. At sizes ranging from 52m2 to 71m2 (up to 90m2 in the ACT), our three-bedroom granny flats can be made even more luxurious with additional decking, alfresco areas, interior design features and other options.

Enjoy the spaciousness and fresh design of your three-bedroom granny flat every single day.

We have a range of options available to buy off-the-plan with quick approval-to-build timing. You can also choose the popular option of spending time with one of our qualified design consultants to create a space that suits your every need.

With over 25 years in the industry, know that our team at Cubitt’s are well experienced in building three bedroom granny flats. Over the years, our team within our family run business has developed their skills by designing, creating and building a wide range of granny flats of all different sizes and shapes. Let us guide you in the right direction when it comes to building three bedroom granny flats.

Three bedroom granny flats are one of our largest and most popular granny flat designs. A lot of families and investor are becoming aware of the potential of having a three bedroom granny flat on their property. Made from only quality materials, our practical yet beautiful granny flats are made to last. Whether it be for family living or as investment, the team at Cubitt’s are experienced in three bedroom granny flat designs that fit your needs.

We are passionate in our work, and ensure our clients are 100% satisfied with the three bedroom granny flats we develop for them. Our floorplans are tailored to your specific preference, according to your personal lifestyle. We work closely and take the time to truly understand what our customers need. This is why we have a large number of repeat customers who trust us with their homes.

Cubitt’s Granny Flats and Home Extensions are professional in their construction process, making sure you are well aware of every step of the way. We make sure your granny flat construction process is absolutely seamless, stress-free, and cost friendly.

Out team aim to make it a pleasant experience for you and your family. Your vision, is our vision and we take pride in bringing your three bedroom granny flat to life.


Buy and build directly off the plan or speak to our experienced design consultants about a customised design just made for you.

View a virtual tour of our stunning 3 Bedroom Bottlebrush Granny Flat, a perfect home away from home. Want a little more space? Add an alfresco deck or patio.

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Frequently Asked Questions

Keeping you informed from the very beginning of your project journey. Here are answers to your Frequently asked Questions. Still have a question? Don't hesitate to get in touch


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Cubitts Advantage

The Cubitt's Advantage

Discover the value and commitment placed behind every build of a Granny Flat or Extensions from Cubitt's.

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Your Dream Granny Flat Is Closer Than You Think

Enquire about a new Granny Flat designed and built by Cubitt's

Enquire about a new Granny Flat designed and built by Cubitt's. Feel Secure, Comforted By The Cubitt's Advantage. Our experienced team of consultants take the time to not only review any specific needs such as DAs through council at no charge. We also don't ask for upfront fees. Ask your Cubitt's Team Member today, what sets us apart from our competitors.

Or Give Us a Call On 1300 721 150


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