Estimate the CGT on a property sale after allowable costs.
£
£
£
Illustrative calculation only. CGT depends on your full tax position.
WeCovr's capital gains tax calculator helps UK property owners estimate CGT, using indicative information prepared by WeCovr, an FCA-authorised insurance broking firm with over 900,000 policies issued across multiple classes of insurance. WeCovr also supports private medical insurance UK planning, while this guide focuses on CGT basics.
The calculator estimates CGT on property sales using a simplified allowance and rate model.
It does not include reliefs such as private residence relief or lettings relief.
Calculates gain after allowable costs.
Applies a simplified CGT allowance.
Uses illustrative CGT rates for property.
Keep records of purchase costs, improvements, and sale fees to support allowable deductions.
WeCovr is an FCA-authorised insurance broking firm and has high customer satisfaction ratings. We also offer complimentary access to the CalorieHero AI calorie tracking app and discounts when customers take PMI or Life insurance. If you are comparing private medical insurance UK options, we can help you access private health cover through a trusted PMI broker.
This guide references HMRC guidance on CGT for UK property sales.
| Factor | Impact | Example | Notes |
|---|---|---|---|
| Allowable costs | Reduce gain | Legal fees | Keep receipts |
| Reliefs | Lower tax | Main residence | Eligibility varies |
| Income band | Rate level | Basic vs higher | Check current bands |
No. It uses a simplified model and does not apply reliefs.
No. CGT rates can change with budgets and depend on income band.
UK residential CGT is typically due within a set filing window after completion.
No. This is an estimate and should be checked with HMRC guidance or a tax adviser.
Get your score
Get your free Protection Score
Check how protected you are, spot the biggest gaps, and then decide what to do next.
Answer a few quick questions
See where your biggest protection gaps may be
Move into the right next step if you want help
What you get
A quick view of your current protection position
A clearer idea of where the biggest gaps may be
A direct route to tailored help if you want it