Thanks ChrisHutt/ Agile for your replies
Difficult to know the answer to that - I would guess most people in the UK have gas cent heating, but I'm not sure if I'm right.
There has been an oil powered central heating system in our suburban semi detached house for 20 - 25 years or more and the tank is getting a bit old, rusty and looks awful as it is situated outside the living room window in the back garden.
We are also thinking of selling the house, so I am...