Prince Charles first dabbled in property developing back in 1994 when he built Poundbury, his model town in Dorset. Soon Tregunnel Hill on the outskirts of Newquay in Cornwall will become another Duchy of Cornwall development. It looks as though the planners there will give the go ahead this month for 170 homes to be built on a 10 acre plot on the southwest edge of the town. Eventually 1,000...