This sale marks a new high for four-room flats outside of the central area of Singapore, says Huttons Asia's senior director of data analytics, Lee Sze Teck. At $1,300,888, the 1,023 sq ft flat is located on the 28th floor of Block 8B Upper Boon Keng Road and costs $1,272 per square foot, EdgeProp reported. It is one of 808...