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Capital Gains Tax UK 2026: Rates, Allowance & How to Calculate Your Bill

CT
Chandraketu Tripathi
Finance Editor, Kaeltripton
Published 4 Apr 2026
Last reviewed 4 May 2026
✓ Fact-checked
Capital Gains Tax UK 2026: Rates, Allowance & How to Calculate Your Bill
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CGT rates were overhauled in October 2024 — the previous 10%/20% split is gone, replaced with unified 18%/24% rates. The annual allowance has been slashed to £3,000. Here is the complete 2026 guide to calculating your bill and reducing it legally. Rates Changed October 2024 — £3,000 Allowance — Updated April 2026

CGT Rates UK 2026/27 — Complete Summary

Asset TypeBasic Rate TaxpayerHigher/Additional Rate TaxpayerNotes
Shares, funds, ETFs (outside ISA)18%24%Since 30 October 2024
Residential property (BTL, second home)18%24%60-day reporting rule applies
Commercial property18%24%
Crypto currency18%24%HMRC treats crypto as a chargeable asset
Personal possessions over £6,00018%24%Jewellery, art, antiques etc.
Your main home0%0%Private Residence Relief — exempt
ISA/SIPP investments0%0%Tax-free wrappers — never subject to CGT
Business assets (BADR qualifying)18% (from April 2026)18% (from April 2026)Was 14% from April 2025; rising to 18% April 2026
Gifts between spouses/civil partners0%0%No gain/no loss basis — exempt

How to Calculate Your CGT Bill — Step by Step

StepActionExample (BTL Property Sale)
1Work out the gain: Sale price − purchase price − allowable costsSold for £300,000; bought for £200,000; costs £5,000. Gain = £95,000
2Deduct capital losses from same tax yearNo losses this year. Remaining: £95,000
3Deduct annual exempt amount (£3,000)£95,000 − £3,000 = £92,000 taxable gain
4Add taxable gain to income to find tax bandIncome £45,000 + gain £92,000. First £5,270 of gain in basic rate band (up to £50,270)
5Apply correct CGT rate to each portion£5,270 at 18% = £948.60; £86,730 at 24% = £20,815.20
6Total CGT bill£948.60 + £20,815.20 = £21,763.80
7Report and payWithin 60 days of completion (property); Self Assessment (other assets)

Legal Ways to Reduce Your CGT Bill

StrategyHow It Saves CGTNotes
Use your annual exempt amountFirst £3,000 of gains free each yearDon't let allowance go unused if you have gains
Bed and ISASell investments; rebuy inside ISA — gains crystallised at £3,000 AEAFuture growth sheltered; gains reset inside ISA
Offset capital lossesLosses reduce taxable gains pound for poundLosses can be carried forward indefinitely
Transfer to spouseSpouse has own £3,000 AEA and may pay lower rateNo CGT on transfers between spouses/civil partners
Increase pension contributionsLowers taxable income — may shift gains into basic rate band (18% vs 24%)Significant saving on large gains
Timing disposalsSplit gains across two tax years to use two AEAs (£6,000 total)Cross tax year boundary (before/after 5 April)
Private Residence ReliefMain home exempt from CGT for period you lived therePeriod of actual occupation + last 9 months always exempt
Business Asset Disposal Relief10% rate (pre-Oct 2024); now 14-18% on up to £1M qualifying gainsBusiness owners selling qualifying companies or business assets

60-Day CGT Reporting — Property Sales

ScenarioReport Within 60 Days?How
Selling BTL property at a profitYes — mandatorygov.uk 'Report and pay CGT on UK property'
Selling second home at a profitYes — mandatorygov.uk 'Report and pay CGT on UK property'
Selling your main home (lived there full time)No — exempt via Private Residence ReliefNo reporting required
Selling shares at a profitNo — Self Assessment onlyAnnual Self Assessment tax return
Selling crypto at a profitNo — Self Assessment onlyAnnual Self Assessment tax return
Making a loss on property saleNo — but report loss in Self AssessmentCan carry loss forward

CGT and Crypto — What You Need to Know

HMRC treats cryptocurrency as a chargeable asset — not currency. This means: CGT applies when you sell, trade, or use crypto to buy goods/services; each disposal is a CGT event; losses on crypto can offset gains; the £3,000 AEA applies; the 18%/24% rates apply. If you regularly trade crypto and it is your primary income, HMRC may treat profits as income tax rather than CGT. Crypto gains must be reported in your Self Assessment tax return (no 60-day rule — annual return only). Keep records of all purchase prices, disposal amounts and dates. HMRC has increased enforcement of crypto tax compliance significantly since 2023.

BADR — Business Asset Disposal Relief 2026

Business Asset Disposal Relief (formerly Entrepreneurs' Relief) reduces CGT to 18% on the first £1 million of qualifying gains from selling a business. The rate has been changing: Pre-30 October 2024: 10%. From April 2025: 14%. From April 2026: 18% (same as standard basic rate — making BADR less valuable than it used to be). To qualify: you must have been a director or employee for at least 2 years; own at least 5% of ordinary shares for at least 2 years; the company must be a trading company. The lifetime allowance remains £1 million — any gains above this are taxed at normal rates.

KAELTRIPTON VERDICT
CGT in 2026: £3,000 annual exempt amount (frozen until 2030); 18% basic rate, 24% higher rate on all assets including property. Main home exempt. ISAs and SIPPs: always CGT-free. Key actions: use your £3,000 AEA every year; bed and ISA gains; transfer to spouse before selling; offset losses; time disposals across tax years. Property sales: report and pay within 60 days of completion via gov.uk.
£3,000 Allowance — 18%/24% Rates — 60 Days for Property — Use ISA to Shield Gains
Q: CGT rates UK 2026?
A: 18% basic rate taxpayers; 24% higher/additional rate — all assets since October 2024. Main home: exempt. ISA/SIPP: exempt. BADR (business): 18% from April 2026 on first £1M qualifying gains.
Q: CGT allowance 2026?
A: £3,000 per individual (£1,500 trusts). Frozen until 2030. Married couples: £6,000 combined. Does not roll over — unused allowance lost each April.
Q: Do I report property CGT within 60 days?
A: Yes — mandatory for residential property (BTL, second home) with taxable gains. Use gov.uk 'Report and pay CGT on UK property'. Failure: automatic penalties. Main home: exempt — no reporting.
Q: How do I reduce CGT?
A: Use £3,000 AEA annually. Bed and ISA. Transfer to spouse. Offset losses. Increase pension contributions (shift into basic rate band). Split disposals across two tax years.

Data verified April 2026. Tax rates and rules can change — always verify with HMRC or a qualified adviser before acting. This article is for informational purposes only.

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Editorial Disclaimer

The content on Kaeltripton.com is for informational and educational purposes only and does not constitute financial, investment, tax, legal or regulatory advice. Kaeltripton.com is not authorised or regulated by the Financial Conduct Authority (FCA) and is not a financial adviser, mortgage broker, insurance intermediary or investment firm. Nothing on this site should be construed as a personal recommendation. Rates, figures and product details are indicative only, subject to change without notice, and should always be verified directly with the relevant provider, HMRC, the FCA register, the Bank of England, Ofgem or other appropriate authority before any financial decision is made. Past performance is not a reliable indicator of future results. If you require regulated financial advice, please consult a qualified adviser authorised by the FCA.

CT
Chandraketu Tripathi
Finance Editor · Kaeltripton.com
Chandraketu (CK) Tripathi, founder and lead editor of Kael Tripton. 22 years in finance and marketing across 23 markets. Writes on UK personal finance, tax, mortgages, insurance, energy, and investing. Sources: HMRC, FCA, Ofgem, BoE, ONS.

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