Demystifying UK Capital Gains Tax

Demystifying UK Capital Gains Tax: A Comprehensive Guide for Individuals and Businesses

Capital gains tax (CGT) is a significant component of the UK’s tax landscape, impacting both individuals and businesses when they sell or dispose of certain assets. Understanding how CGT works is crucial for taxpayers to make informed financial decisions.

In this blog post, we’ll delve into what UK Capital Gains Tax is, how it operates, and the key differences between its implications for individuals and businesses.

What is UK Capital Gains Tax?

Capital Gains Tax is a tax levied on the profit made from the sale or disposal of assets, such as property, shares, and valuable possessions. The “capital gain” refers to the difference between the purchase price (or market value at acquisition) and the selling price of the asset. This tax is applied to the profit realised, not the total selling price.

How Does UK Capital Gains Tax Work for Individuals?

For individuals, the application of CGT depends on various factors, including the type of asset, the length of ownership, and the individual’s overall income tax bracket. Here’s a basic breakdown of how CGT works for individuals:

Annual Exemption

Individuals are entitled to an annual tax-free allowance known as the “Annual Exemption.” For the tax year 2023 to 2024 this will be £6,000 and for the tax year 2024 to 2025 and subsequent tax years the Annual Exemption will be permanently fixed at £3,000. This means that any capital gain below this threshold is exempt from CGT.

Tax Rates

If the total capital gains exceed the Annual Exemption, the excess amount is subject to CGT. The tax rates vary based on the individual’s income tax bracket. As of September 2021, basic rate taxpayers pay 10% on gains, while higher and additional rate taxpayers pay 20%. Residential property sales not qualifying for Private Residence Relief have different rates: 18% for basic rate taxpayers and 28% for higher/additional rate taxpayers.

Reliefs and Allowances

Special reliefs are available for certain assets and situations, such as Entrepreneurs Relief (reducing the rate to 10% on qualifying business disposals) and Private Residence Relief (exemption on the sale of one’s primary residence under certain conditions).

How Does UK Capital Gains Tax Work for Businesses?

Businesses are also subject to CGT when they dispose of assets. However, the implications are different due to factors like the type of asset and the structure of the business:

Business Assets

Gains from the sale of business assets may qualify for reliefs such as Business Asset Disposal Relief (formerly known as Entrepreneurs’ Relief). This relief reduces the rate to 10% on qualifying disposals up to a lifetime limit.

Company Structure

Limited companies are subject to Corporation Tax on their gains rather than CGT. However, if a shareholder sells their shares in a company, they may be subject to CGT on the proceeds.

Property and Development

Businesses involved in property development may be subject to different rules, and gains from property sales can be subject to a different set of rates and rules compared to other assets.


Capital Gains Tax is a significant aspect of the UK’s tax framework, impacting both individuals and businesses when they sell or dispose of assets.

The complexities of CGT underscore the importance of seeking professional advice to ensure accurate calculations and proper adherence to regulations.

Whether you’re an individual looking to optimise your tax liability or a business navigating the tax implications of asset disposal, understanding UK Capital Gains Tax is essential for making sound financial decisions in a complex tax environment.

If you need some help, get in touch.

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