The stamp duty is calculated as a marginal rate according to the following table.
|Purchase price||Rate of Stamp Duty|
|£0 – £125,000||0%|
|£125,000.01 – £250,000||2%|
|£250,000.01 – £925,000||5%|
|£925,000.01 – £1.5 million||10%|
|Over £1.5 million||12%|
This calculator is available for purchase as an add-on plugin to RMC Pro. It will add a new preset calculator which you can then use to create custom calculators.
Please note: this add-on is not currently available for purchase.