According to the information entered on the Capital Gains page, the system will automatically calculate the tax liability in line with HMRC guidelines. We kindly request you to review and update the relevant boxes in the CGT supplementary form, enter the required details, and save the changes.
Once this is done, please check the SA302 computation and Box 51. If you need any further assistance, please refer to the below HMRC notes and help guide.
We appreciate your attention to these details and look forward to assisting you further. If you have any additional queries, please let us know!
https://www.gov.uk/guidance/work-out-your-capital-gains-tax-adjustment-for-the-2024-to-2025-tax-year