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Business asset rollover relief (UK capital gains)

Business asset rollover relief can defer all or part of a chargeable gain on a qualifying business asset when the proceeds are reinvested in qualifying replacement assets within the permitted period, subject to a valid claim and statutory conditions. In the straightforward full-reinvestment case the deferred gain reduces the replacement asset’s base cost. Partial reinvestment, non-business use, depreciating assets and extensions of time need separate treatment. Deferral is not necessarily permanent exemption.

Worked example

A qualifying business asset costing £60,000 is sold for £100,000 and the entire proceeds are reinvested in an eligible non-depreciating replacement costing £100,000. Assuming all relief conditions and the claim are met, the £40,000 gain is deferred and the replacement’s base cost is £60,000.

Common mistake

Treating the deferred gain as permanently exempt, or assuming partial reinvestment automatically defers the whole gain.

Where it appears in your exams

QualificationExamRelationshipPeriod
ACCA TX (UK) Direct June 2026–June 2027