SDLTM09680 | Scope: when is Stamp Duty Land Tax (SDLT) chargeable: higher rate charge for acquisitions of residential property by certain non-natural persons FA03/S55/SCH4A: withdrawal of relief - farmhouses FA03/SCH4A/PARA5K
From HM Revenue & Customs · Stamp Duty Land Tax Manual
Withdrawal of relief will occur where one of the following conditions is not met within the three year control period
the land of which the dwelling forms part is occupied for the purposes of a qualifying trade of farming, and
the dwelling is occupied for the purposes of that trade by a qualifying farm worker.
Withdrawal will also occur if, during the control period, the dwelling has not yet been occupied for the purposes of a qualifying farming trade, or has ceased to be so occupied, and reasonable steps are not being taken to ensure that the dwelling is to be so occupied.