HMRC Real-Time Capital Gains Tax Reporting: What You Need to Know
In April 2023, HMRC introduced a real-time capital gains tax (CGT) reporting service, offering individuals not in the self-assessment system a streamlined way to report chargeable gains and pay associated tax. This optional service aims to simplify the process, omitting the need for a traditional tax return for specific scenarios. Here’s a comprehensive guide to help you navigate this new system.
Who Can Use the Real-Time CGT Reporting Service?
This service is designed for UK residents with chargeable gains on personally held assets. It includes a broad range of asset disposals, such as:
- Shares and other investments.
- Personal items with a lifespan of over 50 years, such as paintings, jewellery, and antiques, provided proceeds exceed £6,000.
However, the service excludes:
- Gains from life insurance policies.
- Personal assets with a lifespan of less than 50 years, such as cars and boats, which are exempt from CGT.
Gifting Assets
If you gift assets to family or friends, this can trigger a CGT liability. It’s essential to calculate whether a gain arises and, if in doubt, consult a professional.
Key Deadlines for Reporting
- General Asset Disposals:
- Report gains by 31 December following the end of the tax year in which the disposal occurred.
- Example: If a gain arises in May 2024, it must be reported by 31 December 2025.
- Residential Property Disposals:
- Gains must be reported within 60 days of completion of the property sale.
- CGT Payment Deadlines:
- CGT is payable by 31 January following the tax year in which the gain arose.
Using the Service
To use the real-time reporting service:
- Set Up a Government Gateway Account:
- You must have a personal Government Gateway account. Agents cannot submit reports on your behalf, nor can this service be used for trusts or estates.
- Gather Required Information:
- Acquisition Details:
- Original purchase cost or market value (if inherited).
- Disposal Details:
- Sale proceeds and any associated costs (e.g., legal or agent fees).
- Reliefs:
- Record any applicable CGT reliefs to include in the calculation.
- Acquisition Details:
- Upload Supporting Documents:
- Prepare a detailed CGT calculation showing acquisition costs, disposal proceeds, and any reliefs. This document must be in PDF or JPEG format.
- Submit and Pay:
- HMRC will email a reference number after submission. Use this reference to pay the tax. HMRC will provide further details on completing payment.
- No Self-Assessment Required:
- If you report using this service and have no other tax obligations, there’s no need to submit a self-assessment return.
Property Disposals: A Separate Service
For residential property disposals:
- Use HMRC’s separate reporting service, which allows agents to report on your behalf.
- Similar to the real-time service, this satisfies your reporting obligations without requiring self-assessment if there are no additional reasons to file a return.
Thresholds and Exemptions
- If proceeds from a disposal are below £50,000, and no tax is due, there’s no need to report the gain.
- However, if proceeds exceed £50,000, reporting is required—even if no CGT liability arises.
Practical Tips for Success
- Plan Ahead for Deadlines:
- Mark reporting and payment deadlines clearly to avoid penalties.
- Accurate Calculations:
- Double-check all figures and include any reliefs to reduce potential liabilities.
- Seek Professional Advice:
- For complex scenarios, such as gifted assets or relief claims, consult a tax advisor.
- Utilize Online Resources:
- HMRC provides detailed guidance on using the service; familiarize yourself with these resources.
- Leverage the Residential Property Service:
- If disposing of residential property, let your agent handle the process through the designated service for added convenience.
Conclusion
HMRC’s real-time CGT reporting service simplifies tax obligations for individuals not in self-assessment. By understanding eligibility, preparing accurate reports, and meeting deadlines, you can efficiently handle your CGT responsibilities while avoiding unnecessary tax returns or penalties.
For tailored support in managing capital gains or other tax matters, Merranti Accounting offers expert advice to ensure compliance and minimize liabilities. Reach out today to discuss your specific needs!


