Two iconic Bukit Timah properties, Serene House and Serene Centre, will be put up for sale today, according to marketing agent Colliers International. Serene House, at Jalan Serene, is a four-storey block comprising 24 walk-up apartment units. The 39,828 sq ft freehold site is zoned for residential development and has a gross plot ratio of 1.4. The successful buyer has the option to combine the...