Please note this map is provided for guidance only – plotted based on postcode which may differ from actual location

	The energy-efficiency rating is a measure of a home's overall efficiency. The higher the rating, the more energy-efficient the home is, and the lower the fuel bills are likely to be.
	The environmental impact rating is a measure of a home's impact on the environment in terms of carbon dioxide (C02) emissions - the higher the rating, the less impact it has on the environment.