Law No. 4122 on the energy performance of buildings, in implementation of Directive No. 2010/31/EU of the European parliament and of the Council and other provisions related thereto.

With the provisions of the present law, the Greek legislative framework is harmonised with Council Directive 2010/31/EE on the energy performance of buildings which replaced the previous Directive 2002/91/EK on the same subject and was incorporated in the national legislation with Law 3661/2008.
The law consists of 29 articles as follows: Subject matter (art. 1); Definitions (art. 2); Adoption of a methodology for calculating the energy performance of buildings (art. 3); Setting of minimum energy performance requirements (art. 4); Calculation of cost-optimal levels of minimum energy performance requirements (art. 5); New buildings (art. 6); Existing buildings (art. 7); Technical building systems (art. 8); Nearly zero-energy buildings (art. 9); Financial and other incentives for the optimization of the energy performance of buildings (existing and new buildings) (art. 10); Energy performance certificates (art. 11); Issue of energy performance certificates (art. 12); Display of energy performance certificates (art. 13); Inspection of heating systems (art. 14); Inspection of air-conditioning systems (art. 15); Reports on the inspection of heating and air-conditioning systems (art. 16); Register of Energy Inspectors – Archives of Inspection of Buildings (art. 17); Independent control system (art. 18); Revocation of energy performance Certificates and inspection Reports (art. 19); Sanctions (art. 20); Building authorizations (art. 21); Repealed provisions and amendments (art. 22); Transitional provisions (art. 23); Regulation of matters falling under the provisions of Law. No. 3889/2010 (art. 24); Regulation of matters falling under the provisions of Laws. Nos. 1811/1988 and 590/1977 (art. 25); Amendments to Law No. 2882/2001 (art. 26); Addition of articles to Laws Nos. 4067/2012 and 3164/2003 (art. 27-28); Entry into force (art. 29).
Among its various provisions the law foresees the introduction of a new Technical Regulation on the energy performance of buildings which will be approved with a Joint Decision by the Ministers of Finance and Environment, Energy and Climatic Change and shall replace the Regulation promulgated with MJD No. D6/B/OIK.5825/2010 (art. 3). The law provides also for the creation of a separate Register of energy inspection companies. In order for a company to register it is required that at least one company partner is a qualified energy inspector (art. 17, para. 4). The law, through the provisions included in article 26 brings forth significant amendments to the Code on expropriation of immovable property (promulgated with Law No. 2882/2001).