Awful, awful, awful. British Gas moved to a new billing platform which disconnected my original account and the new one that they then gave me. Then because I was not occuppying the house, their payments system couldn't cope with the low meter readings I was giving them. The operator at the South African call centre made up a higher reading to get this into the system then I was given a really high bill. I had a hell of a job getting my money back, with complete incompetence at the call centre. I couldn't even get through to a manager. Later when I had sold the property, British Gas continued billing me despite giving a clear final reading and paying the resulting bill, I've no idea how they made up the figures and no one could explain. A nightmare, you have been warned!