1. The European Commission, Proposal for a Directive of the European Parliament and of the Council on the energy performance of buildings, 2021, https://eur-lex.europa.eu/resource.html?uri=cellar:c51fe6d1-5da2-11ec-9c6c-01aa75ed71a1.0001.02/DOC_1&format=PDF.
2. Communication from the Commission to the European Parliament, the European Council, the Council, the European Economic and Social Committee and the Committee of the Regions: The European Green Deal eur-lex - 52019dc0640 - en - eur-lex (europa.eu).
3. Directive 2012/27/EU of the European Parliament and of the Council of 25October 2012 on energy efficiency, amending Directives 2009/125/EC and 2010/30/EU and repealing Directives 2004/8/EC and 2006/32/EC https://eur-lex.europa.eu/legal-content/en/txt/?qid=1399375464230&uri=celex:32012l0027.
4. Directive (EU) 2018/844 of the European Parliament and of the Council of 30 May 2018 amending Directive 2010/31/EU on the energy performance of buildings and Directive 2012/27/EU on energy efficiency eur-lex - 32018l0844 - en - eur-lex (europa.eu).
5. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions: A Renovation Wave for Europe - Greening our buildings, creating jobs, improving lives eur-lex - 52020dc0662 - en - eur-lex (europa.eu).