The cost of renting a home in the private sector has risen by more than 4% in the last year as would-be buyers continue to find themselves locked out of home-ownership, according to figures published today by RICS. According to the RICS Residential Lettings Survey (May – July 2012), the cost of renting a property has grown by 4.3% over the last 12 months, based on data from chartered surveyors across the UK. And there's a similar outlook for the next 12 months, with respondents to the RICS surv...