Free tool · RIBA 0–2

Embodied carbon, in under a minute.

A sketch-stage estimator for UK projects. Compare structural systems against RIBA 2030 and LETI targets, then download a branded PDF you can share with your team or client.

Project inputs

Project name (optional)Use typeGross internal area · 150 m²Structural systemCladdingGlazing ratio · 25%Retained / reused structure · 0%

Adaptive reuse can cut embodied carbon by up to 60%.

Estimated embodied carbon

210

kgCO₂e / m² GIA

31.5 t

total · A1–A5

LETI / RIBA 2030 compliant

Send me the results

See your full carbon breakdown

Enter your email to reveal how your project compares with RIBA 2030 and LETI targets.

We'll email a copy to the Cole & Partners studio so we can follow up if helpful.

Indicative only — uses ICE v3, LETI and RIBA 2030 datasets for sketch-stage comparisons. Not a substitute for a RICS-aligned Whole Life Carbon Assessment. For a verified WLCA, talk to the studio.

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