The 3,294 flats with shorter waiting times will be offered across four BTO projects in Bedok, Sengkang and Yishun. SINGAPORE: About 3,300 Build-to-Order (BTO) flats with wait times of less than three years will be offered in the upcoming sales exercise in October. The 3,294 flats will be offered across four BTO projects in Bedok, Sengkang and Yishun, said the Housing and Development Board (HDB) on Sunday (Oct 12). “They comprise a range of flat types from two-room flexi units to 3Gen flats for