SolvedSDLTM13070 | Calculation of stamp duty land tax: Rent
From HM Revenue & Customs · Stamp Duty Land Tax Manual
Stamp duty land tax is chargeable on rental payments at the appropriate rate on the amount by which the net present value (NPV) of the rent exceeds the relevant (residential or non-residential) threshold.
For further details of NPV refer to SDLTM13075.
For current thresholds refer to SDLTM13100.