Sample EPC & meaning

Energy Performance Certificate (EPC)

EPC certificates are now a legal requirement set out in the Energy Performance ofBuildings (Certificates and Inspections) (England and Wales) Regulations 2007. The Regulations were made on 23 March 2007, laid before Parliament on 29 March 2007 and came into force over a range of dates beginning on 19 April 2007.

The main purpose of the Regulations is to implement Articles 7, 9 and 10 of the Energy Performance of Buildings Directive (EU/2002/91/EC) (EPBD) in England and Wales.

The objective of the EPBD is to promote the improvement of the energy performance of buildings within the European Community. Implementing the EPBD will encourage owners and tenants to choose energy efficient buildings when seeking new accommodation and to improve the performance of buildings they occupy. Implementation of the Directive is seen as an important contribution to reducing carbon emissions as part of the UK climate change programme. This programme aims to reduce the UK’s CO2 emissions by 20% by 2020
The EPC is designed to be used as a comparison tool, so that potential tenants/buyers are able to compare the respective energy efficiency of properties that they are interested in. However, the EPC is also intended to give a good representation of how much it would cost to service a property and, therefore, needs to take account of fuel price adjustments and other associated changing aspects.
The EPC aims to encourage buyers and sellers to take action to improve the energy efficiency of the property. This will be calculated using RdSAP.

The graph above is the ‘Energy Efficiency Rating’, which indicates the current ‘SAP rating’ for the property and assigns it to a band on a scale of A-G. This rating is based upon the energy costs associated with space heating, water heating, ventilation and lighting, less cost savings from energy generation technologies. It is adjusted for floor area making it independent of dwelling size for a given built form. The rating is expressed on a scale of 1 to 100 with the higher the number indicating the lower the running costs.
The software calculates the energy demand, of the property, and then the costs associated with providing this energy are based upon the fuel table costs imbedded within the software. These fuel costs are taken from average fuel prices over the previous three years and across all regions of the U.K. They are the only source that may be used for the calculation of SAP ratings. So, although fuel prices may vary considerably across the U.K., this is not factored in at any point, otherwise the EPC would become useless as a comparison tool. From this it may also be seen that if any comparison is to be undertaken, it would ideally be with EPCs completed with the most recent version of the software, due to fuel price changes. This would enable the most
accurate and worthwhile comparison. The government is examining whether or not to reduce the validity period of the EPC for this very reason.
In addition to the SAP rating for the building, the software also provides a potential SAP rating for the property, based upon the highest possible rating that the building could obtain if all cost-effective
The EPC also contains information about the Green Deal, including which measures could be funded through the Green Deal.



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