Martyn Hocking, the editor of Which?, said: "Check what you're paying for goods and services, and shop around for the best deals. Don't settle for mediocre service either - vote with your feet and take your business elsewhere if you're not happy."
Other advice included comparing prices for phone, TV and broadband and installing a water meter, which could lead to a significant reduction on bills.
A recent survey from the Confederation of British Industry revealed that businesses could also save money by switching energy supplier. It found that over one third of firms had changed their gas or electricity supplier in the past year.
Click here to run an energy price comparison, and see if you could be paying less for your gas and electricity.