Brits will part with almost £1.2MILLION on household bills in their lifetime, according to a new study. The average family will be forced to shell out an eye-watering £19,187.37 every year on mortgages or rent, insurance, gas and electric. That means over the course of the average adult lifetime of 60.3 years, they will pay out a staggering £1,156,938.41 in …