ISO INTERNATIONAL STANDARD 21931-1 Second edition 2022-06 Sustainability in buildings and civil engineering works - Framework for methods of assessment of the environmental, social and economic performance of construction works as a basis for sustainability assessment- Part 1: Buildings Développementdurabledanslesbatimentsetlesouvragesde geniecivil-CadremeéthodologiquedeI'évaluationausensdu developpementdurabledesperformancesenvironnementales, sociales etéconomiquesdesouvragesdeconstruction- Partie1:Batiments Reference number ISO 21931-1:2022(E) ISO ISO2022 IS0 21931-1:2022(E) COPYRIGHTPROTECTEDDOCUMENT ISO2022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in anyform or by anymeans, electronic or mechanical, including photocopying, orposting on theinternetoran intranet,withoutpriorwrittenpermission.Permissioncanberequestedfrom eitherIsoattheaddressbelow or ISO's member body in the country of the requester. ISO copyright office CP401 : Ch.de Blandonnet 8 CH-1214 Vernier,Geneva Phone: +4122 749 0111 Email: [email protected] Website:www.iso.org Published in Switzerland ii @IS0 2022-All rights reserved