I'd be supprised if this is not in violation of some law or another. Consumer protection isn't that bad in the UK and if I was in this situation then I'd start

I'd be supprised if this is not in violation of some law or another. Consumer protection isn't that bad in the UK and if I was in this situation then I'd start with the police as this is however you dress it fraud. After all they took money they had no legal claim in taking as the agreement had been canceled.