If you've started thinking about selling your HDB, "how long to sell HDB flat" is probably the exact question sitting in your head right now — and it's a fair one to ask. Selling a flat isn't a single event. It's a chain of smaller steps, each with its own waiting period, and if you don't know the chain exists, the whole process can feel like it's dragging on for no reason. Here's the honest answer: most sellers should budget around 6 months from "I'm ready to sell" to keys-i