ISO/TC 257

ISO/TC 257
Name	ISO/TC 257
Type	Technical committee
Formed	2015
Headquarters	Geneva
Parent organization	International Organization for Standardization

ISO/TC 257

ISO/TC 257 is a technical committee within the International Organization for Standardization responsible for standardization in the domain of sustainability for buildings and civil engineering works. It coordinates international consensus among national bodies such as British Standards Institution, American National Standards Institute, Deutsches Institut für Normung, Association Française de Normalisation, and Standards Australia. The committee liaises with global institutions including the International Electrotechnical Commission, United Nations Environment Programme, World Green Building Council, and International Finance Corporation to develop interoperable standards used by stakeholders like European Commission, United Nations, World Health Organization, and private consortia.

Scope and Objectives

The scope covers sustainability assessment, environmental performance, life cycle assessment, and related metrics for buildings and civil engineering works, aligning with frameworks used by International Organization for Standardization, International Electrotechnical Commission, European Committee for Standardization, ISO/TC 59/SC 17, and national standards bodies. Objectives include producing normative documents that support practitioners from entities such as Royal Institution of Chartered Surveyors, American Society of Civil Engineers, Chartered Institution of Building Services Engineers, and regulators like Ministry of Housing, Communities and Local Government to measure impacts consistent with treaties and initiatives such as the Paris Agreement, the 2030 Agenda for Sustainable Development, and the C40 Cities Climate Leadership Group.

Organizational Structure and Membership

The committee’s governance reflects practices used by International Organization for Standardization technical committees and includes a chair, secretariat, working groups, and project leaders nominated by member bodies including British Standards Institution, American National Standards Institute, Standards Council of Canada, Deutsches Institut für Normung, Standards Australia, Japanese Industrial Standards Committee, and Bureau de Normalisation du Québec. Membership categories (P-members and O-members) mirror those of International Organization for Standardization and facilitate participation from governments, industry associations like International Chamber of Commerce, research organizations such as Fraunhofer Society and National Renewable Energy Laboratory, and professional bodies such as Royal Institute of British Architects and Institute of Electrical and Electronics Engineers.

Standards and Publications

ISO/TC 257 develops deliverables including International Standards, Technical Reports, and Publicly Available Specifications that integrate methodologies from ISO 14040, ISO 14044, and interfaces with standards from ISO/TC 59 and ISO/TC 207. Publications aim to harmonize metrics used by building rating systems like LEED, BREEAM, WELL Building Standard, and procurement frameworks applied by institutions such as the European Investment Bank and Asian Development Bank. Outputs address life cycle assessment, environmental product declarations, and performance indicators similar to instruments used by Global Reporting Initiative and Carbon Disclosure Project.

Work Programme and Key Projects

The work programme mirrors project-based models seen in committees such as ISO/TC 59 and includes projects on life cycle based sustainability assessment, indicator frameworks, and data exchange protocols compatible with programs run by Building Research Establishment, National Institute of Building Sciences, International Code Council, and the World Business Council for Sustainable Development. Key projects often interface with initiatives like the Green Building Council network, standards such as EN 15804, and frameworks from International Finance Corporation for green buildings. Project outputs support practitioners from firms like Arup, AECOM, Skanska, and Balfour Beatty in procurement, design, and asset management.

Relations with Other Organizations

ISO/TC 257 maintains liaisons with international and regional organizations including the International Electrotechnical Commission, European Committee for Standardization, Organisation for Economic Co-operation and Development, United Nations Environment Programme, World Green Building Council, and professional federations such as the International Federation of Consulting Engineers and International Union of Architects. Cooperation enables alignment with initiatives like the Global Alliance for Buildings and Construction, funding programs of the European Commission, and sectoral guidance from agencies including United Nations Office for Project Services.

History and Milestones

Established in the mid-2010s under the auspices of the International Organization for Standardization to address gaps between life cycle standards and building practice, the committee’s milestones include the initiation of work items that build on legacy documents from ISO/TC 207 and ISO/TC 59, the adoption of technical reports aligning with the Paris Agreement goals, and collaboration milestones with networks such as the World Green Building Council and the Global Reporting Initiative. Notable events in its timeline parallel major international conferences and summits attended by stakeholders from United Nations Framework Convention on Climate Change negotiations, the World Sustainable Built Environment Conference, and regional standards harmonization meetings convened by the European Committee for Standardization.

Category:International Organization for Standardization technical committees