Free Tool · Capital Gains Tax 2024/25
Capital Gains Tax
Calculator.
Calculate your estimated CGT on property, shares, or business assets. Includes PPR relief for former homes, annual exemption, and a 60-day reporting check.
Calculate your CGT
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Purchase costs: SDLT, legal, surveys. Improvements only — not routine repairs or maintenance.
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Determines how much basic rate band is left for CGT. More other income = more gain at the higher rate.
2024/25 rates. Residential property: 18%/24%. Other assets: 10%/20%. PPR includes final 9-month deemed occupation. Not financial advice — verify with a qualified accountant before filing.
2024/25 CGT rates
Residential property — basic rate18%
Residential property — higher rate24%
Other assets — basic rate10%
Other assets — higher rate20%
Business Asset Disposal Relief10%
Annual CGT exemption£3,000
The 60-day rule
Selling UK residential property with a gain? You must report and pay CGT within 60 days of completion — separate from Self Assessment. Automatic penalties from day 61.
CGT service in HarrowWhat this tool doesn't cover
- ·Lettings relief (restricted since April 2020)
- ·Rollover and holdover relief
- ·CGT on overseas property
- ·Gift transactions at market value
- ·CGT and IHT interaction on estates