CG15160 | Expenditure: categories of allowable expenditure
From HM Revenue & Customs · Capital Gains Manual
TCGA92/S38 (1)
Except where there is specific provision to the contrary, allowable expenditure is restricted to sums for
acquiring the asset
creating the asset
enhancing its value
establishing, preserving or defending title to or rights over the asset
incidental costs of acquisition and disposal.