A 40-unit walk-up apartment at 402-414 River Valley Road has been successfully sold en bloc for S$70.5 million to Alliance Land. This translates to a land rate of about S$1,139 per square foot per plot ratio, with a gross plot ratio of 2.8 for the 22,000-square foot site. If the 10 per cent gross floor area for balconies is included, it will work out to S$1,035 per square foot per plot ratio, at a gross...