Tax Code Guide
C1257L
Welsh Tax Code C1257L
What does this code mean?
C1257L is the Welsh equivalent of 1257L. The "C" prefix (for Cymru) means you are a Welsh taxpayer. Currently, Welsh Income Tax rates are the same as England and Northern Ireland rates, but the Welsh Government has the power to vary them. You still receive the standard £12,570 Personal Allowance.
Who gets this code?
Most Welsh taxpayers with one main income source. Applied if your main home address is in Wales.
Is it correct?
Check your latest P45 or Payslip to see if this matches your current situation.