Free instant estimate
Canberra granny flat cost calculator
Move the slider and pick your options to get a ballpark turnkey price for a Canberra granny flat. It's a guide only - a firm quote needs a site visit to check access, soil, services and council rules.
What this granny flat estimate includes
- Turnkey estimate: design, engineering, council/certifier approvals and standard fit-out (kitchen, bathroom, flooring, painting) included.
- Assumes a flat, accessible block with reasonable soil and power, water and sewer within roughly 10 metres.
- Prices are a guide only and typically quoted plus GST - your firm price depends on site conditions, state and council rules and the finish you choose.
- Excludes landscaping, driveways, decks, fencing, pools and tree removal beyond the build footprint.
- Excludes major retaining walls, bushfire (BAL) or flood upgrades and long service connections unless you tick a site extra above.
Cost calculator questions
How much does a granny flat cost in Canberra?
As a turnkey build, most Canberra granny flats land around $1,900 to $2,600 per square metre in 2026. A typical 60 m² two-bedroom comes in roughly $118,000-$164,000 depending on finish and site.
What does 'turnkey' actually include?
A turnkey price covers everything from plans and approvals through to a finished, lock-up-and-live dwelling - kitchen, bathroom, flooring, paint and connections. Always confirm the inclusions list in writing, as some builders leave out site costs.
Why is the range so wide?
Two identical-looking blocks can price very differently. Slope, soil class, tree cover, how far the services run and your finish level all move the number. That's why a real quote needs a site inspection.
Can I put a granny flat on my block?
It depends on your zone, lot size, setbacks and whether services can reach it. Rules vary by state and council - we can check your title and council requirements before you spend anything on plans.
Does the estimate include GST?
The figures shown are a guide and are usually quoted plus GST for a residential build. Your written quote will state clearly whether GST is included.
How long does a granny flat take to build?
Allow roughly 8-16 weeks on site once approvals are through, plus several weeks to a few months beforehand for design, engineering and council or private certifier approval.
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