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Display Energy Certificates (DECs)
show the actual energy usage of a
building, the Operational Rating,
and help the public see the
energy efficiency of a building.
This is based on the energy consumption of the building as recorded by gas, electricity and other meters. The DEC should be clearly displayed at all times in a prominent place clearly visible to the public. A DEC is always accompanied by an Advisory Report that lists cost effective measures to improve the energy rating of the building.
Display Energy Certificates are only required for buildings that are occupied by a public authority or an institution providing a public service to a large number of persons that with a total useful area greater than 1000m2. Display Energy Certificates are valid for one year. The accompanying Advisory Report is valid for 7 years.
a "DEC" assessor please contact us
show the actual energy usage of a
building, the Operational Rating,
and help the public see the
energy efficiency of a building.
This is based on the energy consumption of the building as recorded by gas, electricity and other meters. The DEC should be clearly displayed at all times in a prominent place clearly visible to the public. A DEC is always accompanied by an Advisory Report that lists cost effective measures to improve the energy rating of the building.
Display Energy Certificates are only required for buildings that are occupied by a public authority or an institution providing a public service to a large number of persons that with a total useful area greater than 1000m2. Display Energy Certificates are valid for one year. The accompanying Advisory Report is valid for 7 years.
- The requirement for Display Energy Certificates comes into effect from 1 October 2008.
a "DEC" assessor please contact us