Posted by: Pete Balchin, Solicitor at August 3, 2007 11:08 AM. We have a sub-prime mortgage industry, it's just not as big as in the US. "Merrill Lynch has estimated that [the UK sub-prime mortgage industry] was worth ?25bn to ?30bn in 2005 , but the Council of Mortgage Lending puts the figure at ... An Estate Agent told a taxi driver that I talked to the other day that some of them are selling to each other at the moment to keep prices high and to keep the volume through. ...