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Display Energy Certificates - DEC

Do I require a Display Energy Certificate?

DEC are required for Public buildings over 1000sqm occupied or part occupied by public authorities or by institutions providing public services, such as Council offices, Schools, Colleges, Universities and Hospitals and any other building accessed by the public.

This is in addition to the requirement for an Energy Performance Certificate when a public building is constructed, sold or rented out. This is a requirement from January 2009.

Why are you required to have a Display Energy performance Certificate?

As part of the Energy Performance of Buildings Directive (EPBD), January 2009 signals the beginning of the legal requirement to have in your possession an Energy Performance Certificate for commercial buildings (classed as non-dwellings) that you construct, lease or sell. Public buildings over 100sqm must also provide a Display Energy Certificate.  Ember Energy NI is a provider of the inspection and certification services for the energy performance rating of commercial buildings.

What is your service?Display EPC

Ember Energy NI manages the process from start to finish. We have the technology and protocols in place to deliver a simple and effective certification process, from pre-site data gathering, on-site inspection and finally ORCalc technology calculation and production of your certificate.

Once retained by our clients, we keep you up to date with developments as we progress through the certification process.

We believe that now is the time to consider how your business is going to handle this process, and we would be very happy to discuss with you, the services and support that Ember Energy NI can offer.

What is contained within a Display EPC?

An Energy Performance Certificate (EPC) will provide an energy rating for the building, as well as advice on how to make cost effective improvements to make the building more energy efficient. The energy ratings will range from A to G, with A the best and G the worst.

The Display Energy Certificate is based on actual energy usage over a year long period. The Display Energy Certificate gives the building an operational rating based on actual energy consumption. The Display Energy Certificate will include an accompanying advisory report on cost effective improvements.

How long is the EPC valid for?

Display Energy Certificates’s (DEC) are required annually (for all public buildings over 1000sqm). The accompanying advisory report is valid for 7 years.

Who is responsible for commissioning an EPC?

Landlords and property managers are responsible for ensuring that an Energy Performance Certificate is made available.  Failure to provide an EPC means you may be liable for a fine ranging from £500 - £5000.

How Much will a Display EPC Cost?

The cost will vary according to factors including size, location, complexity and age of building.

Timescales for Implementation 

EPC for sales of dwellings
30th June 2008
EPC for new buildings
30th September 2008
EPC for sales other than dwellings
30th December 2008
EPC for rented properties
30th December 2008
DEC for public sector buildings
30th December 2008


Please do not hesitate to contact us or fill out the Display EPC query form below:



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