Construction Cost Calculator Online
Estimate total build cost from floor area and cost per m². For budgeting only; get builder quotes for actual costs. Free.
UK typical: £1,200–£3,500/m²
Construction cost calculator online
Use this construction cost calculator online to get a rough total from your build area and cost per square metre. Enter the total floor area (m²) and your expected or typical cost per m². UK rates vary by region and specification; adjust the rate to match your project. This is for budgeting only—always get quotes from builders.
Frequently Asked Questions
How do I estimate construction cost online?
Enter the total build area in square metres and the cost per square metre (or use a typical UK range). The calculator gives an estimated total construction cost. Adjust the rate for your region and build quality.
What is a typical cost per m² for building in the UK?
Rough UK guide: basic build £1,200–£1,800/m², standard £1,800–£2,500/m², high-spec £2,500–£3,500/m². Costs vary by region, design and finishes.
Is the construction cost calculator free?
Yes. Free to use. For budgeting only; get quotes from builders for actual costs.
Can I use square feet?
The calculator uses square metres. Convert sq ft to m² by dividing by 10.764, or use our square feet calculator for area first.
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