C1257L

Tax Code C1257L Explained

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Author: PayslipIQ

Welsh taxpayer with standard allowance of £12,570

C1257LWelsh

What does C1257L mean?

The C prefix identifies you as a Welsh taxpayer. Currently Welsh rates are the same as England/NI rates, so the practical effect is identical to 1257L. The prefix exists for administrative tracking by HMRC.

Annual tax-free allowance

£12,570

💡

Example

An employee living in Wales with a standard personal allowance.

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Disclaimer: PayslipIQ provides educational guidance only. It is not financial, tax, or legal advice. Figures are estimates based on the data you entered. Always verify against your employer's payroll, your HMRC personal tax account, or a qualified adviser before making decisions.