‘Unsustainable’ prepayment meters could see households spend third of income on energy, experts warn

Around four million households are on prepayment meters in the UK - (Getty)

Households on prepayment meters in the UK could see their energy bills cost up to a third of their household income this winter, new research has warned.

The most vulnerable households will be worst affected, the findings from the Resolution Foundation show, as higher prices and colder weather have a disproportionate impact.