Question to the HM Treasury:

To ask Mr Chancellor of the Exchequer, what assumptions he made in forecasting expected revenue from the three percentage point stamp duty levy on the purchase of additional homes and homes to rent out.

The key assumptions behind the forecast for expected revenue from the SDLT higher rates for additional properties are set out in the Spending Review and Autumn Statement 2015 policy costings:

https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/480565/SRAS2015_policy_costings_amended_page_25.pdf

These assumptions were updated in the Budget 2016 policy costings:

https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/508147/PU1912_Policy_Costings_FINAL3.pdf