Energy efficiency Improvement concept, Eco friendly homes for sustainable development. Businessman using a laptop to energy efficiency rating assessment.

Royal Decree 390/2021 of 1 June, approving the basic procedure for the certification of the energy performance of buildings, has been published.

The 23 July was published in the Official State Gazette (BOE) on Royal Decree 681/2025which introduces important new developments in relation to the accreditation of the competent technicians responsible for drawing up the energy performance certificates for buildings.

You can consult the full text here

Main new features of the Royal Decree:

2. New avenues for accreditation
The decree states two distinct tracks to be accredited as a competent technician:

  • One for those with university degree.
  • Another for those with Vocational training qualification or certificate of professionalismprovided that they can demonstrate the necessary knowledge of energy efficiency.

3. Establishment of the Centralised Administrative Registry
A new Centralised Register of Competent Technicianswhich will bring together all nationally accredited professionals.

  • A time limit of eight months to enable the computer system hosting it.
  • The autonomous communities have twelve months to define and implement its registration procedure, adapted to the new framework.

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Jul. 24, 2025

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