A third - or almost 30,000 - of all consumer complaints referred to the financial ombudsman (FOS) in the second half of last year were against just three high street banks. Figures released today by the FOS show there were 27,137 new grievances against Lloyds TSB, Barclays and Bank of Scotland in the six months to 31 December 2009, with Lloyds the subject of 9,952 complaints.   more »