You must pay stamp duty land tax sdlt if you buy a property or land over a certain price in england and northern irelandthe tax is different if the property or land is in scotland pay land . You usually pay stamp duty land tax sdlt on increasing portions of the property price when you buy residential property for example a house or flatsdlt only applies to properties over a . Stamp duty land tax stamp duty land tax sdlt raises some gbp6 billion per annum more revenue than inheritance tax and capital gains tax put togetherproviding a much needed incisive and comprehensive commentary on every aspect of sdlt this book will appeal to property lawyers tax specialists and. Stamp duty land tax sdlt is a tax on land transactions in england and northern ireland it was introduced by the finance act 2003it largely replaced stamp duty with effect from 1 december 2003 sdlt is not a stamp duty but a form of self assessed transfer tax charged on land transactions in scotland a land and buildings transaction tax was introduced from april 1 2015 replacing sdlt