Book a Display Energy Certificate

At the GreenAge, we offer a full Display Energy Certificate for public buildings.

What is a Display Energy Certificate?

A Display Energy Certificate (DEC) is a requirement for all public buildings with a floor area of over 250 metres. They give the building a rating from A to G based on the energy efficiency of the building as well as the energy that it actually uses. The certificate must be on display in the public area of the building for people to view, with the associated recommendations report available on request.


A Display Energy Certificate Example

You will need to update your DEC regularly, and depending on the floor area of the property, the length of validity will vary. For buildings with a floor area of over 1,000m a new certificate will be needed every year, and the recommendations report once every 7 years. For buildings with less than 1,000m of area, the DEC is valid for 10 years.

The penalty for non-compliance is a fine of £500 for no certificate and £1,000 for no recommendations report, and the DEC will still need to be carried out. Despite the cost of the assessment, the DEC can be a really effective way to identify where the building is losing energy, and where you can make the right improvements. The use of energy bills in the process means that the assessment and recommendations can be very accurate and provide valuable feedback on the efficiency of your property.

What do we Require to Complete Your DEC?

When you book your DEC the key things that the assessor will need to produce the report is access to the whole building during the visit, and comprehensive energy bills for your gas, electricity and/or other fuels. This should enable the assessor to produce a certificate. Added accuracy and better feedback can be provided by providing detailed floor plans, as well as model numbers for your heating and controls and any information you have on insulation or works that have been carried out on the property.

How Much Does it Cost?

The price of a DEC can vary greatly depending on the type of property and its use, as well as the layout and size of the building. We recommend you contact us for a free no obligation quote. Prices start from around £299. Call us on 0208 144 0897.

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