Voluntary national certification scheme for sustainability (LENOZ)

Last updated: 20 November 2019

A voluntary national certification scheme for sustainability was introduced for residential buildings. This certification, called LENOZ builds on the energy performance certificate, as a proof of sustainability of a building. This LENOZ certificate assesses social aspects, health aspects, grey energy, and resource use.

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End uses covered
  • Building end-uses
  • Building systems
  • Building envelope