The popularity of second-hand shopping is still strong but fans of car boot sales should follow simple advice when considering electrical products.
According to figures from Halifax Home Insurance, 5.6 million people in the UK make £890 million a year from car boot sales and two-thirds of adults have rummaged at one within the last five years.
However the company added that about 5 per cent have spent £64 million on items they do not use or were faulty and do not work.
Vicky Emmott, senior manager of underwriting, said: "Car booters should be particularly wary of second hand electrical items, especially since electrical fires are the root cause of 18 per cent of all house fires each year."
She added that items should be individually included on the buyer's home insurance policy against loss, theft or damage.
Halifax also advised that buyers should look for quality marks like CE, BEAB the BS safety mark or British Standard number when considering purchasing electrical equipment.
Home insurance premiums have increased by 300 per cent in the wake of the summer's floods, moneycupermarket.com said.
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