Canberra's Trusted Granny Flat Builders

Choose compact luxury clever living when you build a Granny Flat with Cubitt's 

If you live in the ACT and are searching for a clever way to invest in your own property, a Granny Flat built by Cubitt’s may be exactly what you’re looking for. Our customers are building Granny Flats in Canberra for myriad of reasons. For example, as a comfortable alternative to expensive and overcrowded nursing homes, that keep your elderly loved ones close while maintaining your personal space for daily life. Families are investing in Granny Flats in Canberra to pay off a mortgage much faster by making the most of vacant backyard space. With the ability to build a Granny Flat from 40m2 up to 90m2 in the ACT, the possibilities are endless for you to maximise the return on your property.

Ellerslie Contemporary 300DPI

Canberra Granny Flat Designs

You are able to get a Granny Flat design and build in Canberra from 40m2 up to 90m2. With this amount of space you have plenty of room to design the perfect Granny Flat for your purporse. Use the filters below to browse our Canberra Granny Flay Designs.

2 Beds
1 Bath
60 m2
2 Beds
1 Bath
90 m2
2 Beds
1 Bath
60 m2
2 Beds
1 Bath
72 m2
1 Bed
1 Bath
52 m2
1 Bed
1 Bath
56 m2
3 Beds
1 Bath
60 m2
3 Beds
2 Baths
90 m2

Secure your family’s future with Cubitt’s Granny Flat in Canberra

The team at Cubitt’s Granny Flats and Home Extensions specialise in building Granny Flats in Canberra. With a history of building hundreds of Granny Flats for families across Canberra region, we have built our reputation to be quality and reliable builders.

When it comes to Granny Flat designs and plans, our team take the complexity out of the picture, and aim to make the project a pleasant one. We specialise in developing Granny Flats in Canberra that are specific, personalised and tailored to our client.

It’s often difficult to find the right Granny Flat builder in Canberra. At Cubitt’s, we take the time to understand your unique needs and requirements before planning a Granny Flat. Whether it be for investment reasons or for home extension, our plan focuses around your requests.

Oxley_Al_Fresco_Primbee_Granny_Flat_Wollongong (27)

Where we build in Canberra

Cubitt’s have been building Granny Flats for over 25 years, and have perfected the process of designing and building a wide range of base models to choose from. These can also be completely customised to fit your specific needs, budget requirements and block of land. Our Fyshwick Exhibition Centre is open 5 days per week and has two fully-constructed, air-conditioned Granny Flats for you to inspect, along with friendly staff with local knowledge ready to answer your questions and provide advice.

The design and construction team at our Fyshwick office are experts in serving the wider Canberra region, Nowra, Goulburn and the Snowy Mountains areas from Yass to Yarralumla, from Crookwell to Callala Beach, from Tuggeranong to Tumut, and everywhere in-between!


Trusted in-house designers and builders


All DA and council approvals


28+ years of experience


Full-service home extensions


Dedicated design consultants


Proudly Australian, owned and operated

Why invest in a Granny Flat in Canberra?


Financial security
Building a Granny Flat is one of the smartest financial moves you can make, whether you want to add value to your home or bring an additional revenue stream into your property through rent. In fact, Granny Flats have been known to add hundreds of thousands in value to Canberra homes.


Help your kids enter the property market
As an alternative to giving or lending cash, why not keep your children close in a Granny Flat? Give them a foothold in the tough Canberra real estate market with a modern Granny Flat that has everything they need in a first home at a price they can afford.


Keep grandparents close
If your parents need to downsize and want to keep their independence, a Granny Flat is the perfect solution. Keep them close by in a customised Granny Flat that allows them to stay self-reliant. Our designs can be modified to include wheelchair ramps and other accessible features.


Share the wonders of your local area with visitors by setting up an Airbnb in your backyard. With one-, two- and three-bedroom designs available you can accommodate everyone from business people to tourists exploring the Canberra region.


Room to grow
Many ACT families are adding Granny Flats to their homes as a smarter way to be a family. Your new Granny Flat can be anything you need it to be as your family grows, from a teenager’s retreat to secure housing for elderly relatives.


Make it your own
Granny Flats aren’t just for grannies. Your new flat could be a teenager’s retreat, a parent’s oasis, a long-term rental or guest accommodation for visiting friends and family. The possibilities are endless!


Your one-stop service Granny Flat builders in Canberra

If you have a specific Granny Flat plan in mind, we can create exactly your vision and bring it to life. We take your suggestions and customise our Granny Flats to suit exactly what you envision. Know that your dream Granny Flat is in the right hands with Cubitt’s.

We also have clients who need direction and assistance with a Granny Flat, in which case we are delighted to help you along the way. Our team ensure they know everything about what specific features you need, and make sure you feel 100% comfortable with our suggestions. Before even creating a Granny Flat, we take into consideration all factors of your life, as your satisfaction is key to us.


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



Frequently Asked Questions


Canberra Granny Flat 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:

2023 Granny Flat Design Form



Visit Our Canberra
Display Centre


Cubitt's Display Centre

80-82 Kembla Street,
Fyshwick ACT 2609

Opening Hours:
Monday - Friday: 9am-4pm

Where We Build


Cubitt's Granny Flats Available to
View at our Canberra Location



2 Bedroom   |   80m2  | Granny Flat

The Everton is most like our 2024 model, The Ellerslie which is upgraded to meet National Construction Code requirements. The Everton features a different kitchen location and a large walk in robe. Read the blog.





2 Bedroom   |   70m2  | Granny Flat

The Lawson is most like our 2024 model, The Richardson which is upgraded to meet National Construction Code requirements. The Richardson bedrooms are a bit bigger, and features a European laundry. Read the blog.




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