Rents in the private sector rose further in the three months to April, due to fresh tenant demand, according to the latest Residential Lettings Survey from the Royal Institution of Chartered Surveyors (RICS). Its survey - for the months between February and April 2012 - found that 13 percent more chartered surveyors reported rents rose rather than fell within the three-month period. This growth, it said, was largely driven by increasing demand as a net balance of 15 percent more respondents repo...