UK Capital Gains Tax (CGT) 2026: Rates, Annual Exemption & 60-Day Property Rule
Navigate Capital Gains Tax in the UK for 2026: £3,000 annual exempt amount, residential property vs shares rates, offsetting allowable losses, and the 60-day HMRC reporting deadline.
Table of Contents
Understanding UK Capital Gains Tax (CGT) in 2026
Whether selling a buy-to-let apartment, realizing profits from non-ISA stock holdings, or disposing of valuable assets, Capital Gains Tax applies to the profit (gain) you make when you sell or "dispose of" an asset that has increased in value.
1. The Compressed Exemption & Modern CGT Rates
The annual tax-free allowance stands at £3,000:
- Residential Property (Buy-to-Let / Second Homes):
- 18% for basic-rate taxpayers
- 24% for higher and additional-rate taxpayers
- Other Chargeable Assets (Shares, Funds, Cryptocurrencies):
- Taxed according to statutory capital gains rate bands.
2. Verified Numerical Scenario: Landlord Selling a Buy-to-Let Flat
Consider an individual earning £58,000 (higher-rate taxpayer) selling an investment flat in Manchester in 2026:
| Calculation Line | Amount (£) | Details & Allowable Costs | |---|---|---| | Original Purchase Price (2018) | £160,000.00 | Initial purchase price | | Purchase Conveyancing & SDLT | +£5,500.00 | Allowable acquisition costs | | Capital Improvement Costs | +£12,000.00 | New central heating & extension | | Total Allowable Base Cost | £177,500.00 | Subtracted from sale proceeds | | Gross Sale Price (2026) | $230,000.00 | Contractual sale price | | Sale Estate Agent & Legal Fees | -£4,500.00 | Deductible disposal costs | | Net Disposal Proceeds | £225,500.00 | Net funds received | | Gross Capital Gain | £48,000.00 | (£225,500 minus £177,500) | | Annual CGT Exemption | -£3,000.00 | Statutory annual tax-free allowance | | Net Taxable Capital Gain | £45,000.00 | Subject to residential CGT | | Residential CGT Rate (Higher Rate) | 24.0% | Higher rate taxpayer rate | | Total Capital Gains Tax Due | £10,800.00 | Must be paid within 60 days |
Critical Compliance Watchpoint:
Because this disposal involves a UK residential property, this £10,800 tax liability cannot wait for the standard annual Self Assessment deadline in January. It must be formally declared and paid to HMRC via the online Capital Gains Tax on UK Property Service within 60 days of completion to avoid interest and late-filing penalties.
3. Legitimate Strategies to Reduce CGT
- Spousal Transfers: Assets can be transferred between spouses or civil partners on a no-gain, no-loss basis. If the property were jointly owned, the couple could combine their allowances (£6,000 total exemption) and utilize the basic-rate 18% band of the lower-earning partner.
- Offsetting Losses: Capital losses realized on other assets (e.g. loss-making shares) can be offset pound-for-pound against capital gains, provided they are reported to HMRC within 4 years.
4. Regulatory Sources & Verification
- Statutory Rules: Taxation of Chargeable Gains Act 1992 (TCGA 1992) & HMRC Capital Gains Manual. Verified on 21/09/2026.
- Reporting Deadlines: Finance Act 2019 Schedule 2 (60-day residential property return rules). Verified on 21/09/2026.
5. Practical Limitations
- This model applies to individuals. Companies selling properties pay Corporation Tax on chargeable gains rather than CGT.
- Private Residence Relief requires full documentation if the property was ever rented out while retaining partial primary home status.
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Simulequa UK Editorial Desk
Simulequa EditorialEditorial guide covering property & mortgages, reviewed for transparency, regulatory alignment, and computational limits. Capital Taxes & Property Investment