Thanks Muttley.
Unfortunately the bottom element does not have a timer attached to it. But I am getting in contact with an electrician in order to get one fitted otherwise my bills will be enormous.
I have just moved into a property which has no gas at all. The boiler I think is an immersion boiler with a two heating elements, one at the bottom of the boiler and another at the top. These elements seem to be manually controlled. By this I mean that a switch at the wall turns them on and you can ...