These Regulations amend the Energy Performance of Buildings (England and Wales) Regulations 2012 (S.I. 2012/3118, as amended by S.I. 2013/10; S.I. 2013/181; S.I. 2013/603; S.I. 2014/880; S.I. 2015/609 and S.I. 2015/1681) (“the Principal Regulations”), which implement Directive 2010/31/EU of the European Parliament and of the Council on the energy performance of buildings (recast) (OJ No L 153, 18.6.2010, p. 13) (“the Directive”).