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Construction cost

Build cost calculator

Estimate construction cost from gross internal area (GIA) and a build rate per square foot, with contingency added.

£
Typical new-build residential ranges roughly £150-£250/sq ft depending on specification and region — use your QS estimate where you have one.
%
Base build cost —
Contingency —
Total build cost —

How this is calculated

A £/sq ft rate is a planning-stage estimate, not a substitute for a QS cost plan — use it to size an indicative facility, then refine with a proper cost plan before committing.

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Development Finance Brokers A trading style of Lenzie Consulting Ltd, arranging development, bridging and mezzanine finance for property professionals UK-wide.
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Development Finance Brokers is a trading style of Lenzie Consulting Ltd. We are not regulated by the FCA. We do not provide financial advice. We act as a commercial finance broker and work with a panel of lenders to find suitable development finance, bridging finance, and mezzanine finance solutions for property professionals. All lending is subject to status, valuation, and lender criteria. Your property may be repossessed if you do not keep up repayments on a mortgage or any other debt secured on it.

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