I'm buying a second home – how much stamp duty will I pay?

The HMRC website and my solicitor said it would be £11,000, but I’m being charged £23,600 Q I am currently in the process of buying a second home and am totally confused by the amount of stamp duty I have to pay. I am remortgaging my current home to a buy-to-let mortgage, and will rent out the property upon completion. The house that I am buying will become my main residence. As I am using some equity from my current house to buy the new house, the change of my main residence w