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Life Cycle Assessment (LCA)

Measuring the environmental impact of a building and its materials across their whole life.

Used for
Building design, renovation, embodied carbon assessment, material selection, BREEAM and whole-life carbon studies.
Building material samples of oak, concrete, limestone, glass, wood-fibre insulation and brick arranged on linen.

Asset → Analysis → Risk / opportunity → Action → Improvement

The whole life of a material

  1. Raw material
  2. Manufacturing
  3. Construction
  4. Use
  5. Replacement
  6. End of life

Comparing two façade options — relative impact

Option A
Option B

LCA helps us understand the environmental consequences of material and design choices before important decisions are finalised.

Illustrative example — demonstration data, not based on a specific building.

These results are indicative only and cover only part of the criteria considered in a full assessment. They do not constitute a complete assessment, certification or confirmation of compliance.

01 — What is it?

What is a Life Cycle Assessment?

A Life Cycle Assessment measures the environmental impact of a building, a building element or a material across its whole life: extracting and making the materials, transporting them, constructing the building, using and maintaining it, and eventually taking it apart or reusing it.

The best-known result is embodied carbon, but an LCA can also look at water, resources and other impacts. It is most useful when there are choices to make, for example between a new build and a refurbishment, or between different structural or façade materials.

02 — Why does it matter?

Why it matters

  • 01

    Shows where a building's environmental impact actually comes from.

  • 02

    Supports better decisions on materials and construction methods.

  • 03

    Provides embodied carbon figures required by many certifications and regulations.

  • 04

    Helps compare renovation and new-build options fairly.

  • 05

    Supports material and design choices before they become expensive to change.

03 — When is it used?

Typical situations

  • Early design stages when major material choices are made.
  • Renovation versus new-build comparisons.
  • Certification projects requiring whole-life carbon evidence.
  • Material and product selection.

04 — Our approach

A clear sequence of steps

  1. 01Goal and scope definition
  2. 02Building and material data collection
  3. 03Life cycle modelling
  4. 04Option comparison
  5. 05Results and recommendations
  6. 06Reporting for certification or design teams

05 — Typical scope

Typical applications

  • New buildings
  • Renovations
  • Embodied carbon studies
  • Material comparison
  • Certification evidence

06 — Related services

Often combined with

Considering the Whole-Life Impact of a Project?

Tell us about your building or project and we will come back to you with a clear view of the next steps.