1. Transforming Our World: The 2030 Agenda for Sustainable Development A/RES/70/1
https:// sustainabledevelopment.un.org/content/documents/21252030%20Agenda%20for%20Sustainable%20Development%20web.pdf
2. Directive 2002/91/EC of the European Parliament and of the Council of 16 December 2002 on the Energy Performance of Buildings
https:// eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32002L0091
3. Directive 2010/31/EU of the European Parliament and of the Council of 19 May 2010 on the Energy Performance of Buildings
https:// eur-lex.europa.eu/legal-content/EN/TXT/?qid=1534941584761&uri=CELEX:32010L0031
4. World’s Largest Collaborative Retrofit Project Launches to Cut Emissions from Buildings
https://www.worldgbc.org/news-media/world%E2%80%99s-largest-collaborative-retrofit-project-launches-cut-emissions-buildings
5. Practical Approaches to the Building Renovation Challenge
http://www.buildup.eu/en/practices/publications/practical-approaches-building-renovation-challenge-0