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
Changing Jobs This Tax Year?
Most wrong tax codes start at a job change. These are the four pages that explain how the handover is supposed to work.