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Building Cost Estimator

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Number of Storeys

Single Storey

Double Storey

{/* Dimensions Section */}

Dimensions (in meters)

Width (m):

Please enter a valid width.

Depth (m):

Please enter a valid depth.

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Add-ons

Kitchen supplied & fitted (£15,000)

Family bathroom supplied & fitted (£10,000)

Ensuite supplied & fitted (£7,000)

Large bifolding doors / large glazing (£5,000)

{/* Specification Level Section */}

Specification Level

Low Spec

Mid Spec

High Spec

Calculate Estimate

This estimate is for guidance purposes only and is based on average costs for an Outer London location. It excludes VAT, professional fees, site-specific conditions, external works (beyond specified add-ons), and detailed architectural specifications. A detailed quote from a professional is required for an accurate cost.