...ALL carriers will try and fob you off at least twice.
When I first read this I thought you had to be wrong. But looking back through my correspondence of complaints - yes I'm a whinging, complaining git, I could see this trait going through complaints I had raised with companies in other industries. But the thing find works is the small claims procedure in the County Court. For £60 you get a resolution in a reasonable time and your money back (a bit like paying tax on your bet) if you win - if you have to go that far.