Capital Gains Tax
Selling a property, shares or other assets can trigger a Capital Gains Tax liability, and reporting deadlines can be tight, particularly for residential property. A professional can help you understand your position before or after a sale.
Capital Gains Tax catches people out less because of the calculation itself, and more because of timing — UK residential property gains generally need reporting within a much shorter window than a normal Self Assessment return, and it's easy to assume you have until the usual January deadline when you don't. Getting advice before a sale completes, rather than after, tends to leave far more options open.
At a glance
- Best for: anyone who has sold or is planning to sell a second property or rental property
- Common reason: selling a residential property that isn't a main home
- Free to use, with no obligation to proceed

Who this is for
- Anyone who has sold or is planning to sell a second property or rental property
- People disposing of shares or other investments
- Landlords considering selling one property from a larger portfolio
- Individuals unsure whether a gain needs reporting at all
Common reasons people get in touch
- Selling a residential property that isn't a main home
- Disposing of shares or other investments
- Understanding reporting deadlines after a sale has completed
- Working out what a sale is likely to cost in tax before going ahead
- Checking whether any reliefs or exemptions might reduce a gain
What this typically involves
- 1A review of the asset being sold and how the gain is likely to be calculated
- 2Confirmation of which reliefs or exemptions might apply to your situation
- 3Guidance on reporting deadlines, which can be tight for residential property
- 4Support calculating and reporting the gain to HMRC correctly
Questions worth asking
A few things worth raising once you’re speaking with a professional.
- How is the gain actually calculated, and what can I deduct from it?
- Which reliefs or exemptions might reduce what I owe?
- Exactly when does this need to be reported, and is it different from my usual tax return?
- Would timing the sale differently make a meaningful difference?
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