Buyer's + Additional Buyer's Stamp Duty, or Seller's Stamp Duty — tier by tier. Andrea Goh · PropNex
Stamp duty is due within 14 days of exercising the Option to Purchase, and for many buyers it's the single biggest surprise cost. This breaks down exactly what IRAS will charge, by buyer profile.
Residential rates: BSD tops out at 6%, plus Additional Buyer's Stamp Duty (ABSD) on top.