When can a trading loss generate a tax refund

Making a trading loss whilst not ideal can sometimes generate a tax refund. If you are a self-employed individual or a member of a trading partnerships, a trading loss can potentially be set against other income or capital gains. This can reduce the amount of tax payable and, where tax has already been paid, may result in a refund.

For the 2025-26 tax year that ended in April, a loss can generally be set against income for the same year or the previous tax year. This means a business that made a profit in an earlier year but has subsequently made a loss may be able to recover some of the tax previously paid.

There are restrictions. For example, the trade must generally be carried on commercially and for profit, rather than as a hobby. Other restrictions can apply depending on the circumstances, including where the individual works fewer than 10 hours a week on the commercial activities of the trade.

There is also a limit on the amount of certain Income Tax reliefs that can be claimed against total income. The limit is generally the higher of £50,000 or 25% of adjusted total income.

A loss can also usually be carried forward and used against future profits from the same trade.

If you have a trading loss, it may provide an opportunity to reduce an earlier tax bill, generate a refund or reduce tax on future profits. The rules can be complex, and we are happy to help advice you on the best way forward. 

Source:HM Revenue & Customs | 07-09-2026
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Aitch
I'm Aitch, the Founder and CEO of CIGMA Accounting Ltd. As a Chartered Management Accountant and as a CIMA member, I've spent more than 16 years helping businesses, entrepreneurs, landlords, and individuals with tax planning, accounting, and HMRC compliance. As a chartered accountant in London, I'm passionate about making complex tax matters easier to understand and helping clients make confident financial decisions. Over the years, I've advised start-ups, SMEs, established companies, and high-net-worth individuals across a wide range of tax and accounting matters. My expertise includes Corporation Tax, Self-Assessment, Capital Gains Tax, Inheritance Tax planning, R&D tax relief, capital allowances, international tax, and resolving complex HMRC compliance issues. Whether clients need a business accountant, tax accountant, or strategic tax advisor, my focus is always on delivering practical advice that creates long-term value. One of my specialist areas is Making Tax Digital (MTD). I've worked extensively with businesses preparing HMRC's digital reporting requirements, helping them move to cloud accounting, improve financial processes, and adopt technology that makes compliance more efficient. I regularly speak at Making Tax Digital roadshows, industry events, and educational sessions in collaboration with Zoho Books, sharing practical insights into digital accounting, tax legislation, and the future of the profession. Many business owners looking for the best accounting firm in London are not simply searching for an accountant they're looking for trusted advice, responsive support, and long-term value. That's the approach I've taken in building CIGMA Accounting. My team and I work closely with businesses across London and the UK, providing accounting services, tax advisory, bookkeeping, payroll, VAT, company accounts, and strategic tax planning tailored to each client's goals. Through this website, I share practical guidance on UK taxation, Making Tax Digital, HMRC updates, Corporation Tax, Self-Assessment, and business finance. My aim is to provide reliable, straightforward information that helps business owners understand changing regulations, reduce compliance risks, and make informed financial decisions with confidence.