Get ready for winter energy bills with Which? Switch
Compare gas and electricity prices with our free and impartial service. People who switched with us in November are predicted to save an average of £253 a year on their bills.
I saved £344 a year with Which? Switch, the service they gave is amazing. I can't speak highly enough of them.H. Murray, Oxfordshire
Why do we ask for your postcode?
We ask for your postcode first so that we can work out which energy region you live in. This is because different regions have different fuel prices.