£20,000 Capital Gain After Tax Wales 2026-27
Residential Property · £0 (no income) income · Effective CGT rate: 15.30%
CGT breakdown, Wales 2026-27
| Item | Amount |
|---|---|
| Total gain | £20,000 |
| CGT annual allowance (tax-free) | −£3,000 |
| Taxable gain | £17,000 |
| Basic rate portion (18%) | £17,000 |
| CGT due | −£3,060 |
| Gain after CGT | £16,940 |
CGT rate applied
Your entire taxable gain falls within the basic rate band, so it is taxed at 18% (residential property).
2026-27 CGT rates, Residential Property
How much CGT on a £20,000 gain in Wales with £0 (no income) income?
A £20,000 capital gain on residential property in Wales with no other income results in a CGT bill of £3,060 for 2026-27. Capital Gains Tax rates are identical in Wales to the rest of the UK, 18% (basic rate) and 24% (higher rate) for residential property. After deducting the £3,000 annual CGT allowance, your taxable gain is £17,000. You keep £16,940, giving an effective CGT rate of 15.30%.
Your entire taxable gain falls within the basic rate band, so it is taxed at 18% (residential property).
Capital Gains Tax on residential property uses two rates in 2026-27: 18% for gains within the basic rate band and 24% for gains in the higher rate band. Your income of £0 (no income) is added first, and your capital gain sits on top.
Frequently asked questions
How much CGT do I pay in Wales on a £20,000 gain?
In Wales, CGT is set at UK level, the same rates apply as in England. On a £20,000 capital gain from residential property with no other income, you pay £3,060 in Capital Gains Tax for 2026-27. The first £3,000 is covered by your annual CGT allowance, leaving a taxable gain of £17,000.
Are CGT rates different in Wales?
No. Capital Gains Tax is a reserved matter and the same rates apply across the entire UK. For 2026-27: residential property gains are taxed at 18% (basic rate) and 24% (higher rate); shares and other assets at the same 18% (basic rate) and 24% (higher rate). Wales's devolved tax powers do not extend to Capital Gains Tax.
How does my £0 (no income) income affect CGT in Wales?
With no other income, you have the full basic rate band available (up to £37,700 of taxable gain at the lower rate). The first £3,000 is tax-free. After the allowance, gains up to £37,700 are taxed at 18% and any amount above that at 24%.
What is the CGT annual allowance for Wales in 2026-27?
The Capital Gains Tax annual allowance for 2026-27 is £3,000 in Wales, the same as across the rest of the UK. This means the first £3,000 of your total capital gains in the tax year is completely tax-free.
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