Construction Cost Calculator

Total build cost from area and cost per square metre, broken down by trade with a contingency.

Enter values

Result

Total project cost

$212,400.00

Indicative cost breakdown

Element	Share	Cost
Substructure and foundations	13%	23,400
Structure and frame	20%	36,000
Roofing	9%	16,200
Walls and partitions	10%	18,000
Doors and windows	8%	14,400
Finishes	14%	25,200
Plumbing	8%	14,400
Electrical	8%	14,400
External works	10%	18,000

Indicative only — local labour rates, specification and site conditions change build costs substantially.

Total build cost from area and cost per square metre, broken down by trade with a contingency.

Also known as: building cost calculator, cost per square meter build, construction budget, build cost estimate.

Enter built-up area, cost per m², number of floors, contingency and the other fields.
The result updates instantly as you type — press Calculate (or Enter) at any time.
Review the breakdown shown under the main result.
Use Copy result or Share to save the answer or send a link with your inputs.

total = area × rate + fees + contingency

Using the values pre-filled in the calculator above:

the calculator returns: