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How to calculate (and cut) your capital gains tax bill

With CGT rules, the devil is in the detail: here are some examples and explanations to help you get it right
How to calculate (and cut) your capital gains tax billPublished on January 27, 2025
  • We look at often-misunderstood CGT rules 
  • What happens when you top up or trim a position over time?
  • You can't always carry forward losses

Most investors are aware that holding assets outside of an individual savings account (Isa) or a pension will eventually result in a capital gains tax (CGT) bill. But working out the exact amount isn't always straightforward.

While physical property is also captured by CGT rules, which govern gains made when assets are sold outside of a tax wrapper, we will be focusing on shares and funds in this article. 

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