1. Directive 2010/31/EU of the European parliament and of the council of 19 2010 on the energy performance of buildings (EPBD recast);Anon;Off. J. Eur. Union,2010
2. Italian organisation for stardardisation (UNI) UNI/TS 11300 (series);Anon,2014
3. Commission recommendation (EU) 2016/1318 of 29 2016 on guidelines for the promotion of nearly zero-energy buildings and best practices to ensure that, by 2020, all new buildings are nearly zero-energy buildings C/2016/4392;Anon;OJ L,2016
4. Anon,, 2019.European Commission Recommendation (EU) 2019/1019 of 7 2019 on building modernisation, Document 32019H1019 http://data.europa.eu/eli/reco/2019/1019/oj.
5. Anon,, 2021a.Proposal for a Directive of the European Parliament and of the Council amending Directive (EU) 2018/2001 of the European Parliament and of the Council, Regulation (EU) 2018/1999 of the European Parliament and of the Council and Directive 98/70/EC of the European Parliament and of the Council as regards the Promotion of Energy from Renewable Sources, and repealing Council Directive (EU) 2015/652, COM/2021/557 final.