Energy comparison customers who live in a property designed by university researchers and built in the 1980s are more likely to receive cheap energy bills because their homes are so energy efficient.
This is the finding of research from the University of Salford, whose researchers designed the 'tea cosy' model more than 30 years ago for use in building low-cost residences for council tenants.
The homes use a quarter of the average energy needed to heat a conventional house and are 50 per cent more energy efficient than other types of property.
They also use less than two-thirds of the power required in homes built to meet 2010 regulations and will be a quarter more efficient than houses constructed to proposed 2013 building legislation.
Meanwhile, energy supplier British Gas has voted a town in Wales its greenest community, after residents used solar panels, biomass boilers and insulation to bring their energy expenditure and carbon footprint down.
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