Skip to main content

Search Calculators

Search for a calculator to use

2025/26 Tax Year

Capital Gains Tax on £20,000

After the £3,000 annual exemption, your taxable gain is £17,000. CGT ranges from £1,700 to £4,080 depending on asset type and income.

CGT on £20,000 by Asset Type & Tax Band

Property (Basic)
£3,060
18% rate
Property (Higher)
£4,080
24% rate
Shares (Basic)
£1,700
10% rate
Shares (Higher)
£3,400
20% rate

Small Gain - Consider Timing

After the £3,000 exemption, your taxable gain is £17,000. For smaller gains, timing can be key.

  • Split the sale across tax years to use two exemptions
  • Transfer to spouse to use their exemption (£6,000 total)
  • Deduct allowable costs: legal fees, improvements, estate agent fees

Asset Details

Calculate CGT for 2025/26

£
£
£
£

Determines if basic or higher CGT rate applies

Capital Gains Tax

Property • 24.0% effective rate

£10,064
Capital Gains Tax Due
Gross Gain£45,000
Annual Exemption-£3,000
Taxable Gain£42,000
At 18% (£270)-£49
At 24% (£41,730)-£10,015
Net Profit After Tax£34,936
2025/26 CGT Rates
Property
Basic: 18%
Higher: 24%
Shares/Other
Basic: 10%
Higher: 20%

What You Keep After CGT

Property Sale (Higher Rate)

Gross gain£20,000
Less: Annual exemption-£3,000
Taxable gain£17,000
Less: CGT at 24%-£4,080
You keep£15,920

Share Sale (Higher Rate)

Gross gain£20,000
Less: Annual exemption-£3,000
Taxable gain£17,000
Less: CGT at 20%-£3,400
You keep£16,600

Real-World Example

Property: Buy-to-Let Sale

You bought a rental property for £250,000 and sold it for £270,000, making a £20,000 gain. As a higher rate taxpayer:

• Sale price: £270,000

• Purchase price: £250,000

• Gain: £20,000

• CGT due: £4,080

⚠️ Report and pay within 60 days of completion

CGT on £20,000 Property Gain

For a £20,000 gain on a second home or buy-to-let property, you'll pay £3,060 (basic rate taxpayer) or £4,080 (higher rate taxpayer). Remember to report and pay within 60 days of completion.

CGT on £20,000 Share Profit

For £20,000 profit on shares or investments, CGT is lower: £1,700 (basic rate) or £3,400 (higher rate). Gains within ISAs are completely tax-free.

💡 Reduce Your CGT Bill

  • • Use your £3,000 annual exemption (already applied above)
  • • Transfer assets to your spouse to use their exemption too
  • • Offset losses from other disposals against gains
  • • Deduct allowable costs: legal fees, agent fees, improvements
  • • Time sales across tax years to maximise exemptions