Cost guide
What's the general building cost per square metre in the UK?
The published baseline rate behind most of the cost guides on this site.
General UK building costs run £1,775-£3,000 per m² (average around £2,388), according to Checkatrade - broadly consistent with the £1,800-£3,000 per m² extension rate published by HomeOwners Alliance. This is a general baseline rather than a project-specific quote.
Last updated 17 August 2026
| Range | ||
|---|---|---|
| General UK building rate | £1,775-£3,000 | Per m² |
Sources: Checkatrade (updated December 2024), HomeOwners Alliance (2026 guide)
These are general UK ranges. We build across the North West, including Darwen, Blackburn and the wider Lancashire and Greater Manchester area - site access, local trade rates and travel distance can move your actual price within (or occasionally outside) the range above.
Key points
- This baseline rate sits behind most of the other cost pages on this site - it's the general building-cost context, not a specific project type.
- Region is the single biggest swing factor: London and the South East typically run well above this UK-wide average.
- Specification tier moves the rate within this range more than almost anything else.
These are general published ranges, not a quote. Get an estimate based on your own project.
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Common questions
What's the general building cost per square metre in the UK? FAQs
Is this a fixed quote for my What's the general building cost per square metre in the UK??
No. The figures above are published UK industry ranges from Checkatrade and HomeOwners Alliance, not a quote for your project. An accurate price depends on a site survey and your specific requirements - get in touch for an estimate based on your own project.
What actually drives the price up or down?
This baseline rate sits behind most of the other cost pages on this site - it's the general building-cost context, not a specific project type. Region is the single biggest swing factor: London and the South East typically run well above this UK-wide average.
What's a typical general uk building rate in per m² terms?
General UK building rate typically runs £1,775-£3,000 (per m²), based on the sources cited above.
Other cost guides
More published cost ranges
How much does a house extension cost?
The published UK per-m² rate for a single-storey extension, and what actually moves it.
How much does a two storey extension cost?
Published per-m² rates by build quality, and what a typical two-storey extension runs in total.
What's the cost per square metre for an extension?
The per-m² method explained, and the published UK rate.
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