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As suggested, I emailed the chief exec and outlined the situation ie I had complained to the Financial Ombudsman and Santandar had been instructed to get this sorted by the beginning of December.
I got a letter today from someone further down the business line. This person stated the chief exec has asked them to deal with my complaint and if I was not happy to go to the ombudsman.
This implies no-one has actually read my email to the chief exec and as far as Santandar are concerned all complaints go to the FO who will make the decision. Santandar take no notice of the FO and then Santandar advise the customer to go back to the FO.
Once everything has been resolved I will take my business elsewhere. But, as I am a small invester in the grand sceme of things I don't count. Guess that's how it is with all banks.