This Q&A assumes that that the investment property which is already owned by the individual is a dwelling which is occupied by a tenant or tenants. Schedule 4ZA to the Finance Act 2003 (FA 2003) amends the rates of SDLT in FA 2003, s 55 where the chargeable transaction is a 'higher rates transaction' and, if it is, it attracts a 3% supplementary rate of SDLT. In the case of a transaction where there is only one purchaser, FA 2003, Sch 4ZA Pt 2 para 2(2), states a transaction is a ‘higher rates transaction’ if it falls