Which mutual building society, based in Leek, merged with a mortgage lending subsidiary of the cooperative bank in 2009?
Platform Home Loans: Platform Home Loans is the intermediary mortgage lending subsidiary of The Co-operative Bank. Platform Home Loans:  The firm became part of the Co-operative Bank group when that firm merged with Britannia in 2009. Britannia Building Society: Britannia was a mutual building society in the United Kingdom. Britannia Building Society:  It had its headquarters in Leek, Staffordshire, and was the second largest building society in the UK based on total assets of £36.8 billion at 31 December 2007.
i don't know