Contact us today to schedule your free consultation!
What does a granny flat cost to build?
Granny flat type
Typical NSW range
1 bedroom (45m²)
$180,000
2 bedroom, 1 bathroom (60m²)
$220,000
2 bedroom, 2 bathroom (60m²)
$230,000
2 bedroom with garage or carport
$240,000
What moves the price
Site slope and soil: cut and fill, piers, retaining walls and the slab design your soil report calls for.
Services: distance to the sewer and water connection points, stormwater, and whether your electrical supply needs upgrading.
Access: tight side access can mean extra labour or a crane.
Approval pathway: CDC compared with a council DA, plus BASIX, bushfire (BAL) or flood requirements.
Design and finishes: a second bathroom, the size of the outdoor living area, flooring, kitchen and façade upgrades.
Extras: driveway, fencing, landscaping, demolition or relocating sheds.
What’s included with A to Z Homes
Every A to Z Homes granny flat comes packed with inclusions other builders often charge extra for, like a 5kW split system air-conditioner, downlights throughout and stone benchtops. You’ll find the full list on our Inclusions page. And because every quote is itemised, you’ll always know exactly where your money is going.
Want to take the guesswork out of it? Get in touch:
Free site assessment: we check your block, access and services.