The IEA Annex 57 research group on “Evaluation of Embodied Energy and Carbon Dioxide Emissions for Building Construction” was held on 22nd and 23rd April in Munich, Germany. This was the second meeting of the working phase of this group, which held a previous meeting in Cambridge in October 2012, as well as two preparatory meetings in Helsinki in 2011 and in Porto in May 2012. The group includes 29 participants from 17 countries.