The energy efficiency of our homes

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How can I improve my home’s EPC rating?

Fulfilling a property’s energy efficiency potential can be challenging and the cost implications can be substantial. CBRE have explored some of the improvements that can be made that are cost effective and could contribute to savings on the running costs of a property while reducing emissions.


Stay warm


Our interrogation of the data shows most D rated properties can be increased to a C rating. One way to improve efficiency is by improving the insulation of a property.

At present, 53% of D rated properties are uninsulated. In comparison, 80% of all C rated properties have insulation. Insulation is a must have to improve energy efficiency of a property and is relatively cost effective.

One of the biggest changes that could be made to improve a property’s energy efficiency is through the installation of double glazing. Full or partial double glazing is a very popular choice across the ratings with 95% of properties opting for it. Nevertheless, 5% of D properties have secondary or single glazing which is
very inefficient.


Control your home


Heating control, such as thermostats, are also common throughout all ratings and they’re an important aspect of any energy efficient home. However, we’ve estimated that 10% of D rated properties have no form of heating control. Installing a thermostat is a very cost-effective way of controlling the heating in a home; a smart thermostat means the heating can even be controlled from a smartphone!


Cost and Benefits


We have estimated it would cost around £680 to improve a D rated home to a C. This would save around £305 a year on energy bills and reduce emissions by 80%. This means it would take 2.2 years to payback the improvements.