CA45930 | Business Premises Renovation Allowance: How allowances and charges are made
From HM Revenue & Customs · Capital Allowances Manual
CAA01/Ss 360Z and 360Z1
If the person entitled to an allowance or liable to a charge carries on a trade oroccupies the building for a profession or vocation treat the allowance as an expense andthe charge as a receipt of the business.
If the person entitled to an allowance or liable to a charge carries on a propertybusiness treat the allowance as an expense and the charge as a receipt of the business.
If the person entitled to an allowance or liable to a charge does not carry on a trade,profession or vocation and does not have a property business
treat the person as carrying on a property business (a virtual property business) and
treat the allowance as an expense and the charge as a receipt of that virtual property business.