UK Capital Gains Tax Calculator
Estimate CGT on property, shares and investments
Calculate capital gains tax for the 2026/27 tax year using your income, share gains and property gains.
Your salary or other taxable income before tax.
Your gain before Capital Gains Tax.
Your gain before Capital Gains Tax.
Your estimated results
Shares and investments use other asset CGT rates. Property uses residential property CGT rates.
Tax Breakdown
Shares and investments
Residential property
CGT Rates 2026/27
Shares / assets
10% / 20%
Property
18% / 24%
About the Capital Gains Tax Calculator
Use this UK capital gains tax calculator to estimate CGT on property, shares and investments for the 2026/27 tax year.
Enter your income, gains from shares or investments, and gains from residential property to estimate your total CGT liability.
CGT rates differ between residential property and other assets. Property sales attract rates of 18% or 24%, while shares and other assets are taxed at 10% or 20%.
This calculator gives an estimate only. Reliefs such as Private Residence Relief or Business Asset Disposal Relief may reduce your liability.