Stamp Duty Calculator March 2025. From 31 march 2025 the stamp duty rates on a standard residential purchase of a freehold property for an individual that is uk resident and replacing a main residence will be as follows: 10% above £925,000 and up to £1,500,000.
2% above £125,000 and up to £250,000. To calculate stamp duty manually, determine the property’s market value, apply the state’s stamp duty percentage, and add the registration charges.
