How much stamp duty do I pay on a house and how does it differ for different kinds of property that I buy such as HDB, resale flat, EC, condominium and landed property, if it applies?

On all of these, you just need to know about the Buyers Stamp Duty, Additional Buyers Stamp Duty, and Sellers Stamp Duty. I've put together the full list of rates and how they work here: https://stackedhomes.com/editorial/guide-to-pro...