Capital Gains Tax UK — Complete Guide

What is Capital Gains Tax?

CGT is charged on the profit when you sell an asset that has increased in value. You only pay tax on the gain — not the total sale price.

What Assets Are Taxable?

• Shares and investments
• Property (not your main home)
• Cryptocurrency
• Business assets
• Valuable personal possessions worth over £6,000

What Is Exempt?

• Your main home (Principal Private Residence relief)
• Assets in ISAs or pensions
• UK government bonds (gilts)
• Personal possessions worth under £6,000
• Gifts to your spouse or civil partner
• Gifts to charity

Rates 2025/26

Annual exemption: £3,000. Shares: 10% basic / 20% higher. Residential property: 18% basic / 24% higher.

Calculate your CGT: Capital Gains Tax Calculator