Help - Co-op travel insurance claim

We took out Privilege Accounts with the Co-op bank as the travel insurance seemed a good deal for the family. My husband and I have been with the Co-op for over twenty years and have three accounts with them, had loans etc and found them to be brilliant - until this year. Downhill all the way. I could fill this board with the problems we have had, must have spent hours and hours on the phone. But today's takes the biscuit.

We were robbed on holiday, lost everything we had with us while three hours away from our apartment in Spain, including every single euro and the hire car keys. We did everything right, got the crime report etc, hire car replaced eventually (at a cost) and submitted the claim. Spent the day in a police station and missed the whole fiesta we had gone to see. Received a letter today turning the whole claim down, cash, childrens' jewellery, bag and hire car replacement fee. Apparently because we have no receipt for the cash conversion transaction it cannot be proved, the childrens' jewellery was itemised and an excess is placed on each person despite it being a family insurance so that is lost, and the car replacement has been turned down under personal liability. Having read the personal liability section (£2,000,000 whoohoo!) I can now see that they're unlikely to pay out for anything at all! Ironically, if I had lied and said that all the items belonged to me (I had bought them initially) then the claim would have been successful with regard to the kids jewellery, but that would have been fraudulent, well you live and learn don't you?

So, Co-op, you have failed me yet again. I've spent years praising their efficient, friendly service and admired their ethical approach to banking, but sadly it's all gone wrong. I've been awarded three customer failure payouts this year after complaining about bad service but I don't think I can take much more. I shall take this further - I don't give up easily. Can anyone give me any tips on which way to go from here?

Sal :-/