Basically, my dad wants to claim all of his PPI that he may have been mis-sold in the past..

I am helping him at the moment, He had a loan from Barclays and Santander, and some of those sums are really huge.

On both the sites, you can phone them directly or write a letter. I think writing a letter would be easier as I don't want us to wait for hours and hours on the phone.
Does any one have a good template of a PPI claims letter?

And anyone done this sort of thing before?

Thanks in advance.
Nitin