London, UK, November 2025 – As the tax year comes to an end, many people — from individuals to small business owners — find themselves wondering the same thing: how does a tax refund really work? A recent guide by Simply Business reveals that millions of UK taxpayers are entitled to HMRC refunds every year, yet many still don’t know how to claim them properly or steer clear of common filing errors.

Understanding How Tax Refunds Work
A tax refund (or tax rebate) occurs when HMRC determines that you’ve paid more income tax than you owe within a tax year. This can happen for various reasons, such as incorrect tax codes, changes in income, allowable business expenses, or overpaid National Insurance contributions.
For the self-employed or freelancers filing through the Self-Assessment system, overpayments are common if expenses, reliefs, or allowances weren’t fully claimed. HMRC typically issues refunds within 8–12 weeks once the return is filed, either directly to your bank account or through cheque payment.
Simply Business notes that delays and rejections often result from incomplete records or errors in the Self-Assessment form, highlighting the importance of professional guidance.

How Accountants at Allenby Can Assist
Allenby Accountants' committed staff of self-assessment accountants streamlines the refund procedure by:
Examining your tax return for overlooked credits and reliefs.
Direct interaction with HMRC to settle disputes.
Help with refunds for self-assessment, CIS, and PAYE.
Continuous tax planning to lower overpayments in subsequent years.

About Allenby Accountants
A London-based accounting firm, Allenby Accountants, offers specialised services to businesses in an array of industries, including restaurants, SMEs, and contractors. With a concentration on client-first methods and technology-driven solutions, Allenby Accountants helps businesses in achieving long-term growth, efficiency, and compliance.
Contact:
Address: Brook House 54a, Cowley Mill Road Uxbridge UB8 2FX
Phone No: 0208 914 8887
E-mail: [email protected]
Website: https://www.allenbyaccountants.co.uk/