Flossymike

If a property changes purpose, from being a main residence to being a rented property, how is value of the property determined for the purposes of future stamp duty? Background: My partner is considering buying a property and we would make that property our main place of residence, and rent out the current property. I am considering the effect of different options such as setting up a company and transferring the current property to the company and gaining an income that way, or maintaining personal ownership of the current property. Thank you for your time and advise