Builder Costs in Australia
Builders in Australia must hold a builder's licence for work above the threshold in each state. Project costs vary enormously by scope, but understanding day rates and inclusions helps you compare quotes.
National Average Hourly Rate
$60 to $100 per hour
Typical Call-Out Fee
Usually quoted as a site visit fee: $100 to $300
Common Job Prices
| Job Type | Low Estimate | High Estimate |
|---|---|---|
| Deck construction (per square metre) | $200 | $600 |
| Carport construction | $5,000 | $20,000 |
| Granny flat (kit home) | $60,000 | $120,000 |
| Single storey extension (per square metre) | $1,800 | $3,500 |
| Kitchen renovation | $15,000 | $60,000 |
| Bathroom renovation | $10,000 | $35,000 |
| Pergola construction | $5,000 | $25,000 |
| New home build (per square metre) | $1,500 | $4,000 |
* Prices are indicative national averages as of 2025. Actual costs will vary by state, job complexity and materials. Always obtain at least three quotes.
Factors That Affect the Cost
- Building materials chosen (budget vs. premium)
- Council approval requirements and DA costs
- Site access and slope (difficult access adds 10 to 30 percent)
- Structural engineer requirements
- Inclusions vs. exclusions in the contract
- Availability of builders in your area
Tips for Getting the Best Quote
Ensure quotes are on a fixed-price contract basis, not cost-plus
Ask what specifically is excluded from the quote
Confirm council approval costs and who is responsible for obtaining them
Request a construction schedule with milestones
Verify that progress payment schedules align with completed stages
Check that the builder holds owner-builder or contractor licence as applicable
Red Flags to Watch For
Protect yourself from dodgy tradies. If you notice any of these warning signs, think twice before proceeding.
- Requiring a large upfront deposit (more than 10 percent for jobs under $20,000)
- Unable to provide a builder's licence number
- No Home Warranty Insurance offered for work over the threshold
- Quotes that are suspiciously far below competitors without explanation
- No written contract for work over a few thousand dollars
- Requesting cash only with no invoice or receipt
Find a Licensed Builder Near You
Compare profiles, check reviews and request quotes from verified builders in your area.