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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

Cubitts Granny Flats And Studios 01

Cubitt’s Quality Granny Flats and Studios

Call us on 1300 721 150

Your Granny Flat Specialists

From Classic to Custom designs, Cubitt's are your Granny Flat Builders in NSW and ACT. Cubitt’s experience and passion for what we do means our projects are delivered on time and within budget, with no hidden fees or post-contract changes.

We are full-service business, guiding and advising our customers throughout the process – from planning, design and council approvals, right through to building completion.

Experience the benefits of partnering with the most trusted Granny Flat builder in NSW and the ACT.

Call 1300 721 150 today or visit a showroom to speak to a qualified design consultant about pricing and floorplans.

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Cubitt’s Service Guarantee

Cubitt’s are committed to providing a stress-free and seamless experience for our customers through our unmatched expertise. Build with confidence with the Cubitt’s Service Guarantee, including;

  • Fully Insured with Home Owners Warranty Insurance 

  • No Hidden Costs

  • All Council Approvals and Certifications handled by our expert in-house Planning and Design Team

  • Tradies You'll Love

Meet Paul - One of our happy clients

Please meet Paul, one of our Cubitt's Granny Flat Owners who's build has just been completed. When we recently visited Paul to take images of his Granny Flat, he happily offered to record a testimonial. We're so happy he did.

Want to read more from some of our happy customers? View some of our recent testimonials.

Take a Virtual Tour of Our Granny Flats

Arrange a guided virtual tour or video walk-through with one of our experienced sales and design consultants, call us on 1300 721 150 or drop in to one of our showrooms to view our Granny Flats.

2Bed Telopia Yt

2 Bedroom Telopea Granny Flat

See why this is our most popular model, simple yet stylish with an open plan kitchen, dining and living room space. Perfect for those who enjoy a lifestyle of entertaining.

3Bed Bottlebrush Yt

3 Bedroom Bottlebrush Granny Flat

The clever use of floorplan delivers surprising space, with three bedrooms of impressive size all with built-in wardrobes. Add a touch of luxury with a deck or alfresco areas.

3Bed Banksia YT

2 Bedroom Banksia Granny Flat

Perfect for long or narrow blocks, this model features a light-filled and spacious design. With optional cathedral ceilings, open-plan living plus separate laundry and bathroom.

Experience the Cubitt's Advantage

Over 25 years, Cubitt's Granny Flats and Home Extensions have built relationships with skilled designers, planning experts and specialist tradespeople – a community all handpicked for excellence. With our unmatched longevity and reputation, the Granny Flats and Home Improvement projects we deliver are sourced from world-class suppliers, and our construction team is known for their reliability, attention to detail and friendly service.

Cubitt’s provides a stress-free project experience. We limit confusion by providing every customer with a dedicated design consultant, council co-ordinator and site supervisor from the day your contract starts right through to building completion.

Cubitt's Granny Flats and Home Extensions is family owned and operated, and a business you can depend on. Our core values of reliability, transparency, quality and integrity are deeply entrenched in our business and reflected in our results. These values, along with a personalised approach, upfront pricing with no hidden fees, and progress updates through every step of the journey gives our customers an advantage like no other.

The Cubitt's Range of Granny Flats

1 Bedroom Granny Flats With White Paint

1 Bedroom Granny Flats

Our range of 1-bedroom Granny Flat designs make every square metre count. Perfect for narrow blocks of land, our base models are available in 45m2 or 50m2 plus Porch. Alternatively, you can customise to suit your space with our experienced design team.

A popular choice for those building a home office, artist’s retreat or extra accommodation.

One Bedroom  Bottlebrush Granny Flat shown

2 Bedroom Granny Flats With Porch And Garden

2 Bedroom Granny Flats

Our Best Seller!

Designed to fit on standard blocks, our 2-Bedroom Granny Flat range extends across an array of base models, from as little as 40m2 through to 50m2, 60m2 and 60m2 with optional alfresco decking for relaxing on sunny days.

2-Bedroom Granny Flats are immensely popular due to their versatility and unique balance of spacious yet compact living.

Two Bedroom Telopea Granny Flat with alfresco shown

3 Bedroom Granny Flats With A Pourch And Garden

3 Bedroom Granny Flats

The clever use of floorplan in our range of 3-Bedroom Granny Flat designs delivers surprising space!

The perfect option for supporting growing families, or maximising the return on investment of your unused backyard space.

Available in 52m2, 60m2 or even 90m2 (in the ACT), with vast customised features on offer such as decking and alfresco areas for added luxury.

Bottlebrush, 3 Bedroom 60m2 Granny Flat base model shown

Learn about styling a Granny Flat from Amy Frost, Senior Stylist with Valiant

Moving into a smaller space and styling a Granny Flat can be a bit daunting, especially when it comes to our favourite pieces and the need to downsize. With the help of Senior Stylist for Valiant, Amy Frost, our goal is to make the transition simpler by providing some good advice around maximising your new space.

Downsizing to a Granny Flat? Don't miss this fantastic video.

Join Amy Frost, Senior Stylist at Valiant as she shares some fantastic tips and tricks for downsizing.

Did you know a bigger rug in a space is often better than a smaller one? Discover how to combine your favourite older pieces with new items to create a stylish, fresh and perfectly proportioned Granny Flat livng space. 

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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


Cubitt's Smart Security

Feeling safe and secure has never been easier with our Smart Security Pack

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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At Cubitt's there's no need to wait for an open house to view one of our lovely Granny Flats. Why not give us a call to book an appointment at one of our convenient locations today.

All locations

Cubitt's Emu Plains

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Cubitt's Main Sydney Exhibition Centre & Head Office

152 Russell Street, Emu Plains NSW 2750

Opening Hours

Monday-Saturday 9am-5pm

Sunday 10am-4pm

Showrooms Available

Telopea 53m2

Banksia 63m2 Option 1

Bottlebrush 60m2 Extended

Cubitt's Wollongong

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Cubitt's Wollongong Exhibition Centre

244 Shellharbour Rd, Barrack Heights 2528

Opening Hours

Monday- Saturday 9am-5pm

Showrooms Available

Banksia 63m2 2 Bedroom Banksia Option 1

Bottlebrush 71m2 2 Bedroom Granny Flat

Cubitt's Newcastle

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Cubitt's Newcastle Showroom

124-126 Maitland Road Mayfield NSW 2304

Opening Hours

Monday-Saturday 9am-5pm

Showrooms Available

61m2 Telopea 2 bedroom granny flat

63m2 Banksia 2 bedroom granny flat

Cubitt's Canberra

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Cubitt's Canberra Showroom

80-82 Kembla Street, Fyshwick ACT 2609

Opening Hours

Monday: 10am-5pm

Tuesday - Friday: 9am-5pm

Saturday: 9am-5pm

Showrooms Available

Bottlebrush 80m2 2 Bedroom Granny Flat

Telopea 70m2 2 Bedroom Granny Flat