Tax & HMRC
UK Tax Refunds & HMRC Overpayments
Free tools and plain-English guides to check whether HMRC owes you money — tax codes, emergency tax, allowances and reliefs.
Free tools
Free · No sign-up
Free UK Tax Code Checker
Enter your tax code and we tell you what it means, whether it looks wrong, and if you may be owed a refund — instantly, free, no email required.
Free · No sign-up
Take-Home Pay Calculator (2026/27)
Enter your salary and see your real take-home pay after income tax and National Insurance — yearly, monthly and weekly. Free, instant, no sign-up.
Free · No sign-up
Emergency Tax Refund Calculator
On an emergency tax code? Estimate how much you have overpaid and could claim back — enter your salary, code and how long you have been on it.
Guides
How to Check if HMRC Owes You a Tax Refund (2026)
A step-by-step, jargon-free guide to finding out whether you have overpaid PAYE tax — and exactly how to claim it back yourself, for free.
8 min read
Emergency Tax Codes Explained: BR, 0T, W1/M1 and How to Get a Refund (2026)
What each emergency tax code actually means, why you were put on one, and the fastest way to get your overpaid tax back.
6 min read
£9.99 · One-off
PAYE Tax Refund Check
Over 5 million UK employees overpay tax every year through incorrect tax codes, emergency tax, or missed allowances. Our audit tool — built by UK professionals — checks your last two tax years against HMRC rules and tells you exactly what you may be owed, plus the steps to claim it.
Find out if HMRC owes you money — in under 60 seconds.