Life-cycle assessment software

Streamline building LCA in-house

One Click LCA’s building life-cycle assessment software empowers AEC teams to run compliant LCAs in-house. Model designs easily with the world’s largest construction LCA dataset, access 300,000+ EPDs, and automate your way to faster, low-carbon results.

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Trusted by leading architectural and construction companies

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Faster & more affordable building LCA in-house

Automate data import from 20+ BIM tools, use built-in templates for early-stage modelling, and access the world’s largest material database. Fully aligned with BREEAM, RICS and EN 15978, it simplifies delivery, cuts LCA consultant costs, and accelerates carbon analysis.

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Deliver low-carbon designs & win more projects

Use Carbon Designer 3D to estimate carbon impacts at concept stage from minimal inputs. Access the world’s largest EPD library and specify low‑carbon materials early with 300,000+ verified EPDs. Comply with BREEAM, LEED and RICS, meet client carbon goals, and stand out in competitive bids.

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Trusted LCA solution partner for 20+ years

One Click LCA supports AEC professionals in 170+ countries with over 20 years of carbon expertise. Trusted for EN 15978 and ISO 14040/44 compliance, and rated 100 % quality for BREEAM and first LCA software to be validated by RICS — delivering results recognised by leading certification schemes.

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Automated BIM & data import

Import material quantities or design data directly from tools like Revit, Archicad, or Excel with just a few clicks. One Click LCA integrates with 20+ BIM and modelling platforms, automating data transfer and minimising errors. With a seamless BIM-to-LCA workflow, you can focus on reducing carbon across projects.

Ready-made LCA templates & tools

Start building life-cycle assessments even with limited data using templates tailored to building type and design phase. Carbon Designer 3D lets you model LCAs from just a few key parameters. With access to 300,000+ EPDs, you can specify low-carbon products right from concept design stage.

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Automatic reporting & compliance

Generate clear outputs for certification or client use — from executive summaries to full carbon breakdowns. Reports align with EN 15978 and ISO 14040/44, and are accepted by BREEAM, LEED and RICS. Secure LCA credits like BREEAM Mat 01 with ease and confidence.

Built-in expert support & training

One Click LCA is intuitive for all skill levels, with in-app guidance, dedicated expert support, and a full help centre. Join a community of 30,000+ professionals and access free training to grow your team’s LCA capabilities — without relying on external consultants.

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What our customers say

“Carbon Designer 3D is amazing. We can look into options for reducing carbon very early in the design process, when we don’t even know what the material profile will look like.”

Judhajit Chakraborty, Senior Sustainability Consultant, Stantec

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