average family gas bill
According to the BBC, if you pay for gas and electricity separately then the average gas bill is around Â£740 per year, which means the average gas bill per month is around Â£61. Again it depends on how many people live in your house and so on, but you can use this as a reasonable average for a family of 3-4.f you pay your gas and electricity separately, it's useful to know the average electricity bill per month and the average gas bill per month. According to Uswitch, the average electricity bill per year is Â£500, which means that the average electricity bill per month is around Â£42.