Construction site margin: what it is, how to calculate and protect it | archim
§ 01 / Glossary
Construction site margin
The construction site margin is the difference between a project's revenues and the direct costs incurred to carry it out, expressed in absolute value or as a percentage.
Updated 3 September 2026Reviewed by Matthieu Crétier
§ 02
What is Construction site margin?
The construction site margin is the difference between a project's revenues and the direct costs incurred to carry it out, expressed in absolute value or as a percentage.
Key points
- •Direct costs include labour, materials, equipment, subcontractors and specific overheads.
- •The percentage margin is calculated by dividing the absolute margin by revenues.
- •Without up-to-date data the margin only emerges at project close, when it is too late.
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In practice
- •Direct costs include labour, materials, equipment, subcontractors and specific overheads.
- •The percentage margin is calculated by dividing the absolute margin by revenues.
- •Without up-to-date data the margin only emerges at project close, when it is too late.
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How archim handles it
- •Collects hours, materials, DDTs and invoices directly on the project.
- •Updates costs and revenues in real time, project by project.
- •Shows you which projects are profitable and which are heading for a loss.
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FAQ
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