An executive maisonette in Hougang has been sold with a record Cash-Over-Valuation (COV) of S$225,000, about five times the average COV paid for such properties. COV is the cash premium buyers pay for a resale HDB flat. The flat is located at Block 237, Hougang Street 21. According to property portal SRX, the 148 square-metre maisonette was sold on October 16 for S$900,000 including COV. Property...