Calculation of corporate capital gains

Copyright © 2026 LexisNexis
Produced by a Tolley Corporation Tax expert
Corporation Tax
Guidance

Calculation of corporate capital gains

Copyright © 2026 LexisNexis
Produced by a Tolley Corporation Tax expert
Corporation Tax
Guidance
imgtext

This guidance note sets out the details of the calculation of a corporate chargeable gain, allowable capital losses and the restrictions on their use. It also covers disposals involving foreign currency, the interaction with capital allowances and wasting assets. A number of helpful practical points are also set out at the end of the note. For a general overview of corporate capital gains, including the scope of the charge, see the Corporate capital gains ― overview guidance note.

Calculation of gains

A separate computation will be required for each asset that is disposed of during a company’s accounting period.

For a proforma for calculating gains and losses, see Proforma ― corporate capital gains computation.

To calculate the gain, it will be necessary to determine the following:

  1. •

    date of disposal

  2. •

    disposal proceeds

  3. •

    acquisition costs

  4. •

    allowable expenditure

  5. •

    if the asset was acquired before 1 January 2018, indexation allowance up to 31 December 2017

Each of these elements is explained in detail below.

The other guidance notes in this section provide

Continue reading the full document
To gain access to additional expert tax guidance, workflow tools, generative tax AI, and tax research, register for a free trial of Tolley+™
TAKE A FREE TRIAL NOW
Powered by Tolley+™
  • 31 Oct 2025 07:10

Home/ Tolley Tax Guidance/ Corporation Tax / Preparing the corporation tax return

Popular Articles

Enterprise investment scheme tax relief

Enterprise investment scheme tax reliefOverview of EIS tax reliefsThe enterprise investment scheme (EIS) offers significant tax reliefs to encourage individuals to invest money in qualifying shares issued by qualifying unquoted companies. The scheme is designed to encourage investment in small,

Read more Read more
Trusts and Inheritance Tax

Transfer of assets to beneficiaries ― legal, administration and tax issues

Transfer of assets to beneficiaries ― legal, administration and tax issuesThis guidance note outlines how assets are transferred to beneficiaries and the tax consequences that flow from the transfer. Whether a payment is income or capital is discussed in the Payments to trust beneficiaries guidance

14 Jul 2020 13:52 | Produced by Tolley Read more Read more
Value Added Tax

VAT registration ― change of VAT registration details

VAT registration ― change of VAT registration detailsVAT registered persons must keep their VAT registration details up to date and notify HMRC of any changes. Failure to notify HMRC by the relevant time could result in a penalty. For guidance regarding penalties for failure to notify please see the

14 Jul 2020 13:57 | Produced by Tolley Read more Read more