The poll into energy use also revealed that eight out of ten families are rationing warmth in their homes.
Of those surveyed, nine out of ten are wearing extra clothes instead of turning on the heating, while 56% turn it off altogether when children are not in the home.
Energy Bill campaigners today called on the Government to drive down energy bills.
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Showers in the north, perhaps turning heavy at times but becoming drier in the south towards the afternoon.
Police have stepped up their search for Younes Abouyaaqoub, believed to be at the centre of the investigation into the Las Ramblas attack.
The proportion of adults in families owning more than one property has surged, while the number of those with no property wealth also grew.