Free UK Tax Refund Estimator 2026 – Find Out If You're Owed Money

Find out if you’re owed a tax refund from HMRC for the 2026 tax year. Our free UK tax refund estimator covers PAYE employees, self-employed workers, and company directors. Identify overpayments, unclaimed expenses, marriage allowance, pension contributions, and more. Get an instant estimate of your potential tax refund.

Home / UK Tax Refund Estimator 2026 – Calculate Your HMRC Tax Refund

🔄 Tax Refund Estimator UK 2026 🇬🇧 estimates

This helps determine which tax refund scenarios apply to you
All taxable income including salary, self-employment, pensions, and benefits
Total income tax deducted via PAYE or paid on account
Your tax code determines how much Personal Allowance you received
Select all that apply — this helps estimate your potential refund
⚠️ Disclaimer: This calculator provides estimates based on 2026 UK tax rules. It does not constitute professional advice. Actual tax refunds depend on individual circumstances, reliefs, and HMRC's assessment. For accurate computation, contact our accountant or place an order for specialist advice tailored to your situation.
2026 tax year · Based on current tax rules · Estimates only · Check with HMRC for official calculations