Construction Cost Calculator
Updated on 7 Nov 2026 · Checked by Aotob
Building 1,800 sq ft at a mid-range finish would cost about $480,180.
That’s $267 per sq ft, including a 10% contingency.
Estimated build cost
$480,180
Build costs vary a lot by region and design: get a quantity surveyor or several builders to price your plans. Add the land, site work and connections in the last box.
Show the working
1,800 sq ft × 205 × 1 = 369,000
+ fees 44,280 + contingency 36,900 + tax 0 + 30,000 = 480,180
Basic, mid-range and high-end
| Finish | Per sq ft | Total |
|---|---|---|
| Basic | 192 | 345,126 |
| Mid-range | 267 | 480,180 |
| High-end | 417 | 750,288 |
Questions people ask
How much does it cost to build a house?
In the US most new homes cost about $150 to $300 a square foot to build, before land. In the UK self-builds are often £2,000 to £3,000 a square metre, and in Australia A$2,000 to A$4,000.
What fees are on top?
Architect and engineer fees of 8% to 15%, permits and inspections, surveys, and utility connections, which can be tens of thousands on a rural plot.
How do I pay for a build?
A construction or self-build mortgage releases money in stages as the build progresses.
Updated 7 Nov 2026Source: Typical rates, checked November 2026; replace them with your quotesChecked by AotobAn estimate from typical rates; your quotes will differ.Report an issue