Selling or disposing of a property or investment can trigger a Capital Gains Tax (CGT) liability which might be the biggest tax bill you ever face. For UK residential property, you now have just 60 days from completion to calculate the gain, report it to HMRC, and pay any tax due.
At UK Tax Returns, we guide you through every step of the process. We identify which costs qualify as deductible, assess your eligibility for Principal Private Residence (PPR) and other reliefs, and ensure your gain is calculated accurately so that you don’t pay more CGT than you need to. Our aim is to make the process clear, compliant, and stress-free.
If you’re at the stage where you’re thinking of selling, we can also advise on tax planning opportunities, helping you understand the impact of the sale and avoid unnecessary tax.
1. Assess whether or not your transaction is reportable for CGT, ensuring full compliance with HMRC rules.
2. Offer support with setting up your HMRC Capital Gains Tax account so your 60-day return can be filed without delays.
3. Advise you on which records and documentsare required to support an accurate capital gains tax calculation.
4. Review your circumstances to identify any available expense, reliefs, allowances, or elections to help reduce your gain.
5. Calculate an accurate capital gains tax liability helping to ensure tax efficiency and compliance.
6. Submit your CGT return directly to HMRC, ensuring everything is filed correctly and on time
Not always. If the property was your main residence throughout ownership, Principal Private Residence Relief may fully exempt the gain. We can confirm whether any part of your gain is taxable.
If you sell a UK residential property that results in CGT to pay, you must report the disposal and pay the tax within 60 days of completion. Missing this deadline results in penalties and interest.
Allowable costs typically include legal fees, estate agent fees, stamp duty, and the cost of capital improvements (e.g. extensions). Routine repairs aren’t deductible against CGT.
In many cases, yes. Even if you file a 60-day return, the gain must also be included on your Self Assessment return.
Losses can usually be claimed and carried forward to offset future gains. We ensure they are reported correctly so you don’t lose the benefit. There is a strict 4-year time limit within which you must report losses to HMRC to be able to carry the loss forward.
Yes. We can still prepare the return, submit it as soon as possible, and help reduce penalties where circumstances allow.
For the 2024/25 tax year, the annual exemption for CGT is only £3,000. This CGT annual exemption is in addition to the income tax free allowance for other income in the UK, such as rental income.
From 30th October 2024, the rate of Capital Gains Tax is 18% for basic rate taxpayers, and 24% for higher rate tax payers.

Choosing the right support for your Capital Gains Tax reporting can make a significant difference. Whether you’re selling a property, disposing of investments, or navigating complex rules for the first time, you need clear guidance and accurate calculations you can trust. At UK Tax Returns, we provide a straightforward, reliable service designed to remove stress, minimise errors, and ensure full compliance with HMRC from start to finish.