It’s an often forgotten tax and can be a shock to many applicants. If they are buying a property over the Stamp Duty Land Tax (SDLT) threshold of £125,000 our calculator will help them work out what will be due and takes account of the different tax on property or land in Scotland or Wales. It also allows for the different rules for first time buyers purchasing their first home when the purchase price is less than £500,000. And anyone buying an additional residential property worth £40,000 or more.