Build rate

£2,500/m²

Standard £2,500/m²Premium £3,500/m²

Floor area (GEFA)

120 m²

Site & groundworks complexity

20%

Simple 15%Complex 40%

Flat accessible site at the low end · challenging access, level changes, complex utilities at the high end

Total project budget

—

Modular build

—

Site works

—

Fees & management

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Modular construction (manufacture, transport, install) —

Site works (groundworks, utilities, landscaping) —

Professional fees & project management (fixed 20%) —

Modular build rate excludes groundworks, utilities, landscaping, and professional fees. All figures are indicative order-of-magnitude estimates. Site costs vary significantly — a detailed site appraisal is recommended before committing to a budget.

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