Capital Gains Tax Calculator
Calculate UK Capital Gains Tax on property sales, investments, and other assets. See how much you'll owe after selling.
Updated for 2026-27 tax year • £3,000 annual exemption
Sale Details
This determines how much of your gain falls in the basic vs higher CGT band
CGT Calculation
CGT Rates 2026-27:
Basic Rate
18% (all assets)
Higher Rate
24% (all assets)
Selling a Property?
Remember: You must report and pay CGT on UK property within 60 days of completion. AccountsOS helps you track your obligations.
Get Started FreeUnderstanding UK Capital Gains Tax
Capital Gains Tax (CGT) is charged on the profit when you sell an asset that has increased in value. Key points:
- Annual Exemption: £3,000 (reduced from £6,000 in 2024/25)
- All Assets: 18% basic rate, 24% higher rate (unified since 30 October 2024 - property, shares, and other assets all use the same rates)
60-Day Reporting Rule
If you sell UK residential property at a gain, you must report and pay CGT within 60 days of completion. Missing this deadline results in penalties and interest.
Allowable Deductions
You can deduct costs like stamp duty, legal fees, estate agent fees, and improvement costs (not maintenance) from your gain.
Frequently Asked Questions
Common questions about UK Capital Gains Tax rates, exemptions, and reporting requirements.