Its research is based on an average home in London that burns a typical amount of 3,300 kWh pa of electricity and 20,500 kWh of gas each year.
The deal on offer from EDF should cost customers £990 a year, which is significantly lower than some of the tariffs the publication names as its worst.
Among those are bills that total more than £1,500 for the same property, which is described as "not cheap".
A number of the country's major dual fuel providers have recently announced price hikes, including E.ON, which has confirmed an increase of nine per cent on electricity.
Posted by Richard Eden
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