Capital Gains Tax UK Calculator
Calculate UK Capital Gains Tax (CGT) for shares, property, cryptocurrency and other assets with current rates and allowances
Calculate Your UK Capital Gains Tax
Select the tax year for your capital gains calculation
Profit from selling your assets (selling price - purchase price)
Different asset types have different CGT rates
Your annual salary or employment income
Rental income, dividends, business income, etc.
Trust assets have a lower CGT allowance (£1,500 vs £3,000)
Capital Gains Tax Calculation Results
Calculation Method: CGT = (Capital Gains - Allowance) × Applicable Rate
Tax Year: 2024-25 | Allowance: £3,000 | Higher Rate Threshold: £50,270
Important: This calculator provides estimates. Consult HMRC or a tax advisor for official calculations.
Tax Efficiency Tips
Example CGT Calculation
Property Sale Example (2024/25)
Capital Gains: £40,000 (Property sale profit)
Annual Income: £45,000 (Salary)
CGT Allowance: £3,000 (2024/25 rate)
Taxable Gains: £37,000 (£40,000 - £3,000)
Tax Calculation
Basic rate portion: £5,270 × 18% = £949
Higher rate portion: £31,730 × 28% = £8,884
Total CGT: £9,833
Profit after tax: £30,167
CGT Rates 2024-25
| Asset Type | Basic | Higher |
|---|---|---|
| Shares | 10% | 20% |
| Property | 18% | 28% |
| Crypto | 10% | 20% |
| Other | 10% | 20% |
Allowances 2024-25:
Individual: £3,000
Trust: £1,500
Higher rate threshold: £50,270
Important Notes
CGT allowance reduced significantly for 2024/25
No CGT on your main residence (primary home)
CGT reporting deadline: 60 days after property completion
Consider ISAs and pensions for tax-free growth
Keep detailed records of all asset transactions
Understanding UK Capital Gains Tax
What is Capital Gains Tax?
Capital Gains Tax (CGT) is the tax paid on profits when you sell assets that have increased in value. This includes shares, property (except your main home), business assets, and personal possessions worth over £6,000.
Key Changes for 2024/25
- •Annual allowance reduced to £3,000 (from £6,000 in 2023/24)
- •Trust allowance reduced to £1,500
- •CGT rates remain unchanged
- •Main residence exemption still applies
How CGT is Calculated
Step 1: Calculate your capital gains (sale price - purchase price - costs)
Step 2: Deduct annual CGT allowance (£3,000 for 2024/25)
Step 3: Determine your total income to find applicable rate
Step 4: Apply CGT rates based on asset type and income level
Rate Determination
Your CGT rate depends on your total annual income:
- • Basic rate: Total income below £50,270
- • Higher rate: Total income above £50,270
- • Different rates apply to different asset types