Stepping into a dream home has become a nightmare for a minority of Singaporeans. The Housing and Development Board (HDB) has said 0.7 per cent of its flats built in the last five years have defects such as dislodged floor tiles. One such example is a premium flat at Block 648, Punggol Central. The S$241,000 apartment came with ceramic floor tiles, as well as some furnishings and built-in cabinets. But...