I switched LPG supplier more than two years ago and have no idea why the gas turned up. I don't think I should pay as I didn't order it. Do I have to?

Ms Singh has been running the fish and chip shop, close to the Cambridgeshire border, for the past nine years. The shop ran ...

My supplier was Calor until November 2022, when I switched to another provider called Avanti which was significantly cheaper. So I was surprised when in late 2024, I received a bill for £354 from ...