📋Tax Code Checker
What Does Your Tax Code Mean?
Millions of UK workers are on the wrong tax code and silently overpay hundreds of pounds a year. Check yours now.
Enter your tax code
Found on your payslip (labelled "Tax Code"), your P60, P45, or at gov.uk/personal-tax-account
Common codes — click to try
📍 Where to find your tax code
On your payslip
Look for a box labelled "Tax Code" — usually near the top next to your name and NI number
On your P60
Issued by your employer every April — your year-end code is printed on it
HMRC online
Log into gov.uk/personal-tax-account to see your current code and change it
P2 Notice of Coding
HMRC sends this letter when your code changes — check it when it arrives