The New Paper Flats in first HDB sales exercise of the year spread across seven housing projects MICHELLE NG 0 Engagements A total of 3,740 Build-To-Order (BTO) flats, including Singapore's first assisted living public housing project for seniors, were launched for sale by the Housing Board yesterday in the first sales exercise of the year. The flats are spread across seven housing projects in the mature towns of Kallang/Whampoa and Toa Payoh (Bidadari), and the non-mature towns of Bukit Batok and Tengah. Those aged 65 and above can apply for a home at Harmony Village @ Bukit Batok, where 169 Community Care Apartments in a 15-storey residential block is on offer.