Capital Gains Tax Accountant for Individuals & Businesses
Capital Gains Tax (CGT) can arise when you sell, transfer or otherwise dispose of an asset that has increased in value. Common examples include buy-to-let property, second homes, shares, investments and certain business assets. CGT is generally calculated on the taxable gain rather than the full amount received.
The amount of Capital Gains Tax due can depend on the type of asset, your taxable income, allowable costs, available losses and any reliefs that apply. Some disposals also have separate HMRC reporting deadlines, so understanding the position before or shortly after a transaction can be important.
Accounting People supports individuals, landlords and business owners across the UK with Capital Gains Tax calculations, reporting and tax planning support. We can review the information relevant to your disposal, explain the potential tax position and help with the reporting requirements that apply.
Speak to a Capital Gains Tax Accountant
If you need straightforward advice on a property disposal, share sale, transfer of assets, or Capital Gains Tax reporting, our team is here to help.
Understanding Capital Gains Tax in the UK
Capital Gains Tax usually applies when you sell or dispose of an asset that has increased in value. It is charged on the gain rather than the full sale proceeds.
Assets that may be subject to CGT include buy-to-let and second properties, shares and investments, business assets, and certain valuable personal possessions.
Individuals also have an annual tax-free allowance, currently £3,000. If UK residential property is sold and CGT is due, HMRC generally requires the gain to be reported and the tax paid within 60 days of completion.
Because the rules vary depending on the asset, your income, and any available reliefs, professional advice can help you plan properly.
Capital Gains Tax Planning and Compliance
Capital Gains Tax planning can help you understand the potential tax consequences of a disposal before the transaction takes place.
Depending on your circumstances, this may involve reviewing the timing of a disposal, allowable costs, available capital losses, the Annual Exempt Amount and any relevant reliefs.
Accounting People can support you with Capital Gains Tax calculations, UK property CGT reporting, tax planning support before a disposal, relevant relief reviews and return preparation.
Early consideration can be particularly useful where significant gains may arise from rental property, investments, company shares or other business assets.
Capital Gains Tax Services in London
We provide Capital Gains Tax accounting support to clients across the UK, including individuals and businesses in London and the surrounding areas.
Our team regularly supports:
- landlords selling rental properties
- individuals disposing of shares or investments
- business owners selling company shares or business assets
- families transferring property or investments
- clients who need help understanding reporting obligations before a disposal
Our focus is to help you understand the accounting and tax implications of the transaction, the information required and the reporting steps that may apply.
Clients in London can work with us remotely or arrange an in-person meeting at our Stanmore office where appropriate. You can also explore our wider Tax Services.
Speak to a Capital Gains Tax Accountant
If you need advice on a property disposal, investment gain, or wider Capital Gains Tax issue, our team can review your circumstances and provide practical support.
0333 023 1300
Frequently Asked Questions
Capital Gains Tax is a tax on the profit made when you sell or dispose of an asset that has gone up in value. It applies to the gain, not the full amount you receive from the sale.
The amount of Capital Gains Tax you pay depends on the type of asset and your taxable income. The applicable rate will vary depending on your circumstances.
Not always. In many cases, your main residence may qualify for Private Residence Relief, which can reduce or eliminate the gain. However, this depends on your individual circumstances.
No. Capital Gains Tax is not always charged at 20%. The rate depends on the type of asset and your taxable income.
For individuals, the main Capital Gains Tax rates from 6 April 2026 are generally 18% and 24%, depending on how much of the gain falls within the available basic-rate band. Different treatment can apply to particular reliefs and circumstances.
Capital Gains Tax may potentially be reduced by considering allowable acquisition and disposal costs, qualifying capital improvement costs, available capital losses, the Annual Exempt Amount and any tax reliefs that apply to the disposal. The available treatment depends on the asset, the transaction and your individual circumstances.
Where possible, it can be useful to review the tax position before completing a disposal because some planning options depend on the timing and structure of the transaction. Our Personal Tax Planning service can support you with the wider tax implications before a transaction takes place.
A gain made when selling or transferring a buy-to-let property, second home or other rental property may be subject to Capital Gains Tax. The calculation can take account of the original purchase price, certain buying and selling costs, qualifying capital improvements, allowable losses and any available reliefs.
Our accountants for landlords and property owners can also support you with rental accounts, property income and wider landlord tax obligations.
Some taxable gains must be reported through a Self Assessment tax return. A disposal of UK residential property may also need to be reported separately through HMRC’s Capital Gains Tax on UK property service.
Where a separate property report is required, UK residents generally need to report and pay any Capital Gains Tax due within 60 days of completion. If you are already registered for Self Assessment, you may also need to include the disposal in your tax return.
Our Self Assessment accountants can help determine what needs to be reported and prepare the relevant return.
An accountant can review the timing of a disposal, allowable costs, capital losses, ownership arrangements and any reliefs that may apply. The available options depend on the asset, the transaction date and your wider tax position.
Early advice is usually more useful than waiting until after the asset has been sold or transferred. Our personal tax planning service can help you consider the wider tax consequences before completing a transaction.
HMRC may ask for information supporting a Capital Gains Tax calculation, including purchase and sale documents, valuations, improvement costs, ownership details, losses and relief claims.
Where a return contains an error or HMRC has opened an enquiry, it is important to review the calculation and supporting evidence carefully. We provide support with HMRC tax enquiries relating to Capital Gains Tax and other tax matters.







