What are the UK’s most typical tax codes?

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Most people in the UK who get the standard personal allowance use the tax code 1257L. Other groupings are BR (you pay the basic rate on all your income), D0 (you pay the higher rate, no allowance) and K codes (benefits or tax you owe). Should you have additional jobs or pensions, the BR or D0 code may reflect your extra income. The combination of a letter and a number in a tax code decides your tax rate. It's important to review your code once every year uk tax codes