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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

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Master Builders of Granny Flats & Home Extensions

Visit a Cubitt’s Showroom - Fully Built Granny Flats on Display

Sydney | Wollongong | Newcastle | Canberra

We’re Here to Help You!

Cubitt’s Granny Flats and Home Extensions is a proudly Australian, family-owned and operated business.

Cubitt’s have perfected the process of designing and building a wide range of 1 bedroom Granny Flats2 bedroom Granny Flats and 3 bedroom Granny Flats!

Our Home Extensions and Renovations are well known for their high quality and practical floor flans, giving more space to your home and growing property value.

Whether it’s for a Home Extension in Newcastle or you’d like to build a granny flat in Canberra and everything in between, Cubitt’s have got you covered.

Our floorplans and standard inclusions are completely flexible, and we offer custom built Granny Flats and secondary dwellings which are tailored to your own needs and lifestyle.

Cubitt’s provide a stress-free and seamless experience through our unmatched expertise and experience.

We have a handpicked team of consultants qualified in both design and construction, while our friendly council planning and drafting teams are experts with CDC and DA approval and certification throughout NSW and the ACT.

We have tradies you’ll love, and dedicated, respectful site managers who know how to communicate every step of the way!

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Your Granny Flat Specialists

Whether it be for great rental income or just keeping your family close, we have got you and your family in mind.

We take your vision very much to heart and ensure you are part of the process every step of the way.

The Cubitt’s team believes each customer should know exactly what is happening from site inspection, to pricing, to construction. You can expect quality service, exceptional workmanship, award-winning Granny Flat design and happy results.

How Do We Do It?

• Best Granny Flat floorplans for your lifestyle
• Clear Granny Flat prices
• Award-winning customer service
• Easy Granny Flat Approval with help from our in-house council planning and drafting team
• Tradies you’ll love
• Your own, dedicated Project Manager


Elderly Couple In Granny Flat Or Home Extension

“Building with Cubitt’s was like flying first class”

- Michael - Gowrie ACT

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“With Cubitt’s, everything was on a platter. They made it so easy!”

- Renae - Emu Plains NSW

Cubitts Renovation

Beautiful, Spacious Home Extensions

Love your home but need a refresh?

There are so many reasons to extend your home – growing family, aging parents or just your desire for a refresh!

Did you know Cubitt’s build Home Extensions in Newcastle and stunning Home Additions in Canberra? Take a look at our work building in Goulburn, renovating in the Central Coast and finishing stunning home improvements in the Southern Highlands – Cubitt’s build in many parts of NSW and all through the ACT.

You may find yourself needing more and more usable space or just space for leisure and privacy.

Whether it be a second story addition, or just more space to a single-story floorplan, our inhouse design and planning team will create a solution which is a harmonious and affordable home addition.

No need to change address or move schools! Stay in the family home you know and love, where your most treasured memories have been made, all while achieving the added space you need and growing the value of your existing property.

Make this home your forever home!


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“We love the house we brought our babies home to, now we love it more because we have space for them as teenagers!”

- Kim - Spring Hill NSW

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Our handpicked team of design consultants can show you how your home’s potential can be fulfilled as soon as you wish.

Get in touch with Cubitt's

No Obligation, Free In-Home Consultation

Interested in finding out how to make a positive investment from a Cubitt's Granny Flat or Home Extension? Get in touch for a no-obligation site inspection today


Or call 1300 721 150



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