Man 'ashamed' to sleep in van to avoid heating his home
14 January 2013 Last updated at 13:05 GMT
As snow falls across many parts of the UK, Save the Children said some families will not have the money to heat their homes.
Sub-zero temperatures are forecast and the Met Office is on "cold weather alert".
Owen, from Sussex, told BBC Radio 5 live's Stephen Nolan that he is sleeping in his company's van because he cannot afford to heat his house.