Stamp duty land tax (SDLT) is payable on a land transaction (the acquisition of a chargeable interest). A chargeable interest is defined in section 48(1) of the Finance Act 2003 (FA 2003) as: • an estate, interest, right or power in or over land in England or Northern Ireland, or • the benefit of an obligation, restriction or condition affecting the value of any such estate, interest, right or power Certain interests in land are exempt (see FA 2003,