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AFFORDABLE GRANNY FLATS IN GREATER SYDNEY
JAC the Builder offers expandable granny flats from $87k ex GST, making it easier for Greater Sydney homeowners to add a fully compliant second dwelling at a fraction of the cost of traditional construction. Every unit is built to meet Australian standards for quality, safety and durability.
In a snapshot
1 or 2
Bedroom options available
2-3 Months
From order to install/connect
$87,000
Pricing starting from, exc GST
CHEAPER ALTERNATIVE TO A TRADITIONAL GRANNY FLAT
Why This Option?
Traditional granny flats can cost $150k-$350k+. JAC the Builder offers expandable granny flats from $87k ex GST, giving Greater Sydney homeowners a more affordable way to add a second dwelling without the traditional price tag.
01
Lower upfront costs
From $87k ex GST, incl approval costs and process.
02
Installed & Connected
Delivery, cranage, installation, plumbing and electrical connection managed for you.
03
Ready Sooner
Once ordered, installation and connection typically takes 2-3 months.
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ABOUT US
Experienced builders. Practical approach. JAC the Builder is a family-run building business led by licensed builders with more than 20 years of experience across construction and property.
We understand that homeowners want clear advice, realistic expectations and a builder who does what they say they will do.
How It Works
SIMPLE PROCESS. MANAGED FOR YOU.
01
Check Your Property
We assess site suitability.
02
Approvals Handled
Approval costs and process are included.
Timing varies.
04
Install & Connect
Delivered, craned, expanded, installed and connected.
03
Order Placed
Your granny flat is prepared for delivery.
05
Handover
Final checks and site make-good completed.
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Modern layouts made for everyday living.
Our expandable granny flats are designed to look and feel like a practical, comfortable home with modern finishes and functional layouts.
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Designed For Real Use
Extra space. Extra income. More options.