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Energy Performance Certificates

An Energy Performance Certificate (EPC) is an accurate measure of the energy required to heat your home and provide hot water. The certificate is a mandatory part of a Home Information Pack. The EPC will show the energy efficiency rating of your home as it is currently and it will also show the potential rating if some improvements are made. There is no obligation to implement any of the suggested improvements but itís useful for a purchaser to know what can be achieved with a particular property.

The energy rating of a property is usually displayed in a fashion similar to the energy ratings you see on washing machines and dishwashers. Hereís an example:

EPC graphs

The energy efficiency rating is shown in the left panel - the higher the energy efficiency rating, the more energy efficient the home is and the lower the fuel bills will be. The right hand panel shows the environmental impact rating for the property. This is a measure of a home's impact on the environment in terms of carbon dioxide emissions - the higher the rating, the less impact it has on the environment. In each case youíll see that the current rating is shown together with the potential rating.

The Energy Performance Certificate shows what improvements can be made to the energy efficiency of the property to achieve the potential ratings and, of course, lower costs.

The energy assessment

To measure the energy efficiency of your home we undertake an inspection which typically takes an hour or so. During the inspection we establish how well your property retains heat by examining the construction of the walls and the windows. We also look to see how well the roof and, if you have one, the hot water tank are insulated. During the inspection we will examine the heating system to establish the efficiency of the boiler and identify what heating controls are in place such as thermostats and time controls etc.

We examine the lighting in each room to identify low energy lamps so that we can estimate how much energy you use to light your house.

These measurements enable us to estimate the fuel costs for the house. Some households use more energy than others, of course, so the estimations may not match your own experience but all houses are measured in the same way so it provides a useful comparison of probable fuel costs. Hereís a typical estimation:

Energy costs

The Energy Performance Certificate incorporates a wealth of valuable data like this together with a detailed breakdown showing exactly how the energy costs can be reduced for the property. Energy Metric can undertake energy inspections at short notice and quickly produce a comprehensive Energy Performance Certificate for your home.

Click on the link below to view a printable document which describes Energy Performance Certificates in more detail.

What is an EPC?

Energy Metric
Certified Domestic and Commercial Energy Assessors
DEA reg no: NHER002235