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Discover the real possibilities for a granny flat or secondary dwelling on your block with local expertise and proven designs.
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Explore our 200+ secondary dwelling designs. filter by bedrooms, block type, accessibility and more to find the right design for your property.
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Design 208
60m²
2 Beds
1 Bath
A practical Secondary Dwelling design with comfortable living and efficient use of space.
Design 278
81m²
2 Beds
1 Bath
A flexible two-bedroom layout with practical indoor and outdoor living options.
Design 325
89m²
3 Beds
2 Baths
A larger Secondary Dwelling option for households needing additional bedrooms and flexibility.
Your Property
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Real Canberra Projects
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actually built.
Take a walkthrough of real CGFB projects across Canberra. Real homes for real families.
Real walkthrough videos
Built in Canberra suburbs
Real Canberra project
Yarralumla, ACT
Design 354
Real Canberra project
Waramanga, ACT
Design 250
Real Canberra project
Palmerston, ACT
Design 256
Real Canberra project
Griffith, ACT
Design 160
“We could choose what was best for us”
★★★★★
Jason Li
Design 261 - Nicholls ACT
“This is a solution for our son with special needs”
★★★★★
Tania Wilson
Design 39 - Richardson ACT
“It's an exceptional space for my parents”
★★★★★
Charles Fuller
Design 354 - Yarralumla ACT
“We love all the natural light that comes in”
★★★★★
Seima and Cameron Darrow
Design 160 - Griffith ACT
“The design made it easier for us to choose”
★★★★★
Anna and Presley
Design 1280 - Isabella Plains, ACT
Questions & Answers
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Canberra?
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Can I build a secondary dwelling on my block?
Find out the rules, requirements and options for your property.
How big can a secondary dwelling be?
Learn about size limits and planning controls in the ACT.
How long does planning approval take?
Typical timeframes and what can impact the process.
Can I rent out my secondary dwelling?
Understand the rules around renting and investment potential.
Why Choose CGFB?
Why choose CGFB to build your granny flat or secondary dwelling?
We specialise in creating high-quality, practical spaces that add real value to your property and your lifestyle.
Built for Canberra. Built for real life.
Book a free design consultation
Canberra
specialists
We know Canberra rules, blocks and local requirements better than most..
Local knowledge. Local team.
Fixed price
certainty
Clear upfront pricing helps you plan confidently without unexpected hidden costs.
Fixed price. Total confidence.
Design to build
capability
From initial design through construction & handover, everything stays coordinated.
Seamless from start to finish.
Quality you
can trust
Quality finishes, trusted suppliers and skilled trades throughout every project.
Built to last. Built properly.
Proven experience
& results
Years of Canberra building experience by completed projects and clients.
Real projects. Real reviews.
Aftercare you
can rely on
Dedicated support continues after handover whenever you need our assistance.
We've got your back.