Roof replacement costs in Singapore may vary substantially based on a number of variables, including the size and complexity of the roof, the materials used, and the contractor's rates. The cost of replacing a flat roof with a new one might vary between SGD $30 and $50 per square foot. Meanwhile, the cost of replacing a pitched roof ranges from SGD $12 to $25 per square foot. It is crucial to remember that these are just estimates; the ultimate cost may be greater or lower based on your individual scenario. To acquire a more accurate cost for your roof replacement job, we suggest collecting several quotations from trustworthy contractors.