Tax Code Guide
1257L-W1
Tax Code 1257L W1
What does this code mean?
1257L W1 means you have the standard Personal Allowance of £12,570, but tax is calculated on a non-cumulative (week-by-week) basis. Each pay period is treated independently, which usually means you overpay tax, especially early in the tax year. This emergency code is typically temporary until HMRC confirms your correct code.
Emergency Tax Warning
This is often an emergency or temporary tax code. You might be paying too much tax while on this code.
Who gets this code?
New employees or people changing jobs who have not yet provided their P45 to their new employer. Very common in the first few months of a new job.
Is it correct?
Check your latest P45 or Payslip to see if this matches your current situation.