How much does a garage cost to build?
A single steel garage in Australia typically costs $8,000–$16,000 built, while a double garage commonly runs $18,000–$32,000 including the slab.
Typical price band
$24,000typical
standard job $18k–$32k
$8,000 low$60,000 high
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Real-world examples
Single steel kit garage$8,000 – $16,000
Double Colorbond garage$18,000 – $32,000
Custom brick double garage$35,000 – $60,000
What affects the price
— Size. Double and oversized garages need proportionally more slab, frame and roofing.
— Construction type. Steel kits are the budget option; brick or rendered block construction costs roughly half as much again.
— Slab & site works. Cut-and-fill on sloping blocks and thicker slabs add to the groundwork bill.
— Doors & electrical. Auto sectional doors, lighting and power points add $2,000–$6,000 over a bare shell.
— Approvals. Council permits, engineering drawings and boundary setback issues add cost and time.
Tips before you post
— Get the slab included in the quote — 'from' prices for kit garages often exclude it.
— Any electrical work must be done by a licensed electrician, including the auto door circuit.
— Think about future use — an extra course of height or a workshop bay is cheap now, expensive later.
Beyond the price: Building a garage: kit versus custom, and getting the slab right
Read the guide →Other costs in this category
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Indicative range only, not a quote. Get quotes from local tradies for an exact price. Last updated 13 July 2026.
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