On the 16th of October after taking over my sister's address l tried to switch to ovo energy they said my switch was blocked by British gas this company are disgusting my son was entitled to a warm home discount last year even though he claimed online and b.g verified his claim on ESA they refused him his entitlement seeing as he had been getting the discount for years.he is entitled to his money they are liars at British gas...this review is genuine a few minutes ago l attempted to switch again l was told I'd been blocked by British gas lm nearly 70 l have the right to save on energy to me that is £12 extra a month l could use for something else l don't recommend British gas they are bad with their customer service they have a terrible attitude to people they laughed at my disabled son when he asked why he didn't get his warm home £150 l saw him a few days ago freezing in a dressing gown British gas deserve to be closed down l don't have proof of purchase as l don't have British gas lm trying to switch my sister's supplier for my own use