Our 2027/28 preview uses a £3,000 annual exempt amount and general Capital Gains Tax rates of 18% and 24%, continuing the currently published rules. These are planning assumptions, not a guarantee of the final 2027/28 position.
CGT applies to taxable gains, not the whole amount you receive when you sell. Your other taxable income determines how much of your gain fits into the basic-rate band. The examples use the same engine as our calculator.
Last reviewed · 6 April 2027 – 5 April 2028
The annual exempt amount applies to your total taxable gains for the tax year, not separately to each sale. Work out gains after allowable acquisition and disposal costs, then apply eligible losses and the exemption. Current-year and brought-forward losses have different ordering rules; take advice where those distinctions matter.
With a full £12,570 Personal Allowance and no band extensions, the basic-rate income threshold is £50,270. Taxable income uses that band first; remaining space can be used by gains at 18%. The rest of the gain is taxed at 24%. Capital gains themselves do not use the income-tax Personal Allowance.
The preview uses the general 18% and 24% rates for shares, crypto, residential property and other ordinary taxable disposals. Qualifying main-home disposals can receive Private Residence Relief. ISAs shelter qualifying investments. Business Asset Disposal Relief, Investors’ Relief and carried interest have separate rules and are not modelled here.
If CGT is due on a UK residential-property disposal, you generally need to report and pay within 60 days of completion. Non-residents have additional reporting rules. Estimating a liability here does not submit a report to HMRC.
Shares sold for £30,000 with £20,000 allowable costs. No losses or special reliefs.
| Calculation | 2027/28 preview |
|---|---|
| Gain | £10,000.00 |
| Annual exempt amount used | £3,000.00 |
| Taxable gain | £7,000.00 |
| Gain taxed at 18% | £7,000.00 |
| Gain taxed at 24% | £0.00 |
| Capital Gains Tax | £1,260.00 |
Estimated CGT: £1,260.00. Tax is on the gain, not the sale proceeds.
Shares sold for £30,000 with £20,000 allowable costs. No losses or special reliefs.
| Calculation | 2027/28 preview |
|---|---|
| Gain | £10,000.00 |
| Annual exempt amount used | £3,000.00 |
| Taxable gain | £7,000.00 |
| Gain taxed at 18% | £5,270.00 |
| Gain taxed at 24% | £1,730.00 |
| Capital Gains Tax | £1,363.80 |
Estimated CGT: £1,363.80. Tax is on the gain, not the sale proceeds.
Shares sold for £30,000 with £20,000 allowable costs. No losses or special reliefs.
| Calculation | 2027/28 preview |
|---|---|
| Gain | £10,000.00 |
| Annual exempt amount used | £3,000.00 |
| Taxable gain | £7,000.00 |
| Gain taxed at 18% | £0.00 |
| Gain taxed at 24% | £7,000.00 |
| Capital Gains Tax | £1,680.00 |
Estimated CGT: £1,680.00. Tax is on the gain, not the sale proceeds.
Preview assumptions; UK-resident individual, full Personal Allowance, no Gift Aid, pensions, other income or special reliefs. Salary income tax is excluded.
The preview carries forward the current £3,000 annual exempt amount. The linked official guidance confirms current rules; this page will be updated if further 2027/28 changes are announced.
No. Those are income tax rates on interest and rental profit, not CGT rates on selling an asset. The preview uses 18% and 24% general CGT rates.
CGT rates are UK-wide. Scottish income tax rates do not replace the general 18% and 24% CGT rates.
Estimates for planning, not personalised tax advice.