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IEA EBC Annex 57: Guideline for Design Professionals and Consultants (Part 2)

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IEA EBC Annex 57: Guideline for Design Professionals and Consultants - Part 2: Strategies for Reducing Embodied Energy and Embodied GHG Emissions


This report is one of the deliverables of the International Energy Agency Energy in Buildings and Communities programme (IEA EBC) Annex 57: “Evaluation of embodied energy (eE) and carbon dioxide equivalent emissions (CO2eq) for building construction”, summarising selected results and recommendations of the project. The document, a supplement to Guideline for Designers and Consultants – part 1, aims to communicate and illustrate the key design strategies and illustrate their potentials for reducing embodied energy and emissions through the use of case study examples.


It is intended for the group of design professional and consultants who wish to gain an insight into how evaluation of embodied energy and GHG emissions (EEG) can be used as a part of the development of sustainable building. Life Cycle Assessment (LCA) and evaluation of embodied energy and GHG emissions is closely related, since evaluation of EEG is performed by using the LCA method and thus both approaches are included in the publication.


The document provides:


  • Introduction to the concept of LCA on buildings to designers and consultants
  • Introduction to the concept of embodied impacts
  • Examples for selected Annex 57 case studies
  • Ideas for reduction strategies in the building design

Four main design strategies are highlighted:


  1. Substitution of materials (Natural materials - Recycled & reused materials and components - Innovative materials)
  2. Reduction of resource use (Light-weight constructions - Building form and design of layout plan - Design for flexibility and adaptability - Low maintenance need - Design for service life extension - Reuse of building structures)
  3. Reduction of construction impacts (Reduction of construction stage impacts)
  4. Design for low end-of-life impacts (Design for disassembly - Design for recyclability)


For further information or to download the report, please visit the relevant IEA-EBC Annex 57 webpage at the link provided below.