UK Tax Codes Explained

What every tax code means and whether yours is correct.

1257L£12,570 personal allowanceBRAll income taxed at 20%D0All income taxed at 40%D1All income taxed at 45%NTNo tax deducted0TNo personal allowanceK-codesYou owe tax from elsewhereW1 or M1Non-cumulative basisS-prefixScottish income tax ratesC-prefixWelsh income tax rates