Preoptima Life Cycle Diagrams

The building whole life carbon (WLC) lifecycle can be difficult to wrap your head around, so we've made some diagrams to help you.

Feel free to email us at if you have any comments or questions.


Alternatively, see our updated modular structure for WLC assessments

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All scopes


Cradle to gate


Cradle to handover


Cradle to grave


Cradle to cradle (circular economy)


Plain (no scopes)



Modular structure for WLCAs from the Whole Life Carbon Assessment for the Built Environment, RICS Professional Standard, 2nd edition:


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