Cost Calculator
Updated with 2024 prices
Get an instant estimate of your project in 30 seconds
We have developed four different sophisticated cost per square metre calculators – one for extensions, one for loft conversions, one for refurbishment projects and one for new builds, and all of them updated for 2024 price per square metre build cost prices for London and the UK.
Just pick the construction cost calculator below that matches the type of project you are considering. Put in the basic details of your scheme and it will quickly calculate the build cost of your extension, loft conversion, refurbishment or new build house.
Your estimated starting build cost
This quotation is Ex VAT and will depend on several variables including the complexity of the design, extent of structural works and level of fixtures, fittings and material finishes. It does not include professional/legal fees, statutory fees, environmental audits, other third-party fees, VAT or planning obligations (CIL, Section 106). Prices are updated at regular intervals but may not fully reflect inflation and the effects of international health or political crises. Always ask your architects to conduct due diligence on your timescale and budget considerations.
Your estimated starting build cost
TThis quotation is Ex VAT and will depend on several variables including the complexity of the design, extent of structural works and level of fixtures, fittings and material finishes. It does not include professional/legal fees, statutory fees, environmental audits, other third-party fees, VAT or planning obligations (CIL, Section 106). Prices are updated at regular intervals but may not fully reflect inflation and the effects of international health or political crises. Always ask your architects to conduct due diligence on your timescale and budget considerations.
Your estimated starting build cost
This quotation is Ex VAT and will depend on several variables including the complexity of the design, extent of structural works and level of fixtures, fittings and material finishes. It does not include professional/legal fees, statutory fees, environmental audits, other third-party fees, VAT or planning obligations (CIL, Section 106). Prices are updated at regular intervals but may not fully reflect inflation and the effects of international health or political crises. Always ask your architects to conduct due diligence on your timescale and budget considerations.
Your estimated starting build cost
This quotation is Ex VAT and will will depend on several variables including the complexity of the design, extent of structural works and level of fixtures, fittings and material finishes. It does not include statutory fees, environmental audits, other third-party fees, VAT or planning obligations (CIL, Section 106). Prices are updated at regular intervals but may not fully reflect inflation and the effects of international health or political crises. Always ask your architects to conduct due diligence on your timescale and budget considerations.
The estimated build cost shown will give a very good indicator of the likely costs for building or refurbishing your project – but do remember it is always possible to further save on these costs by planning ahead, engaging a well-established residential architecture company and choosing the right builder.
Based on years of practical experience with builders, the proven steps we’ve set up and the hands-on construction inspection approach we’ve developed, we can help you avoid any possible issues that may arise onsite. That way, you can build your project with minimum stress, complete your project on time and avoid budget blowouts.