That's not so great. I wonder what could have caused it to overcharge by that amount each month. You can register a complaint through the complaints page as Paddiewack mentioned. The team will investigate for you and try to resolve it as soon as possible.
Pete.
Mod tip! The author of a post can hit 'Accept as Solution', to highlight a reply that helped solved their query.
If you feel your issue isn’t being progressed satisfactorily by customer service then you can raise a complaint by using the form on the Three homepage.
