1257L tax code explained
1257L is the most common PAYE tax code for people with one job or pension and the standard Personal Allowance. On its own, 1257L is not an emergency tax code — the emergency versions are usually 1257L W1, 1257L M1 or 1257L X.
What does 1257L mean?
The number 1257 generally reflects a £12,570 tax-free allowance in the tax code. The letter L normally means you are entitled to the standard Personal Allowance. HMRC tells your employer or pension provider which code to use.
Is 1257L an emergency tax code?
Not by itself. HMRC says emergency tax codes end in W1, M1, X or may show NONCUM in payroll software. For 2026/27 the emergency code basis is 1257L, but the emergency treatment is identified by the suffix, such as 1257L M1.
Why might your code be different?
Taxable benefits, untaxed income, earlier underpaid tax, more than one job or pension, or changes in your circumstances can all alter your code. If you have multiple jobs, one may use 1257L while another uses BR or D0.
What should you check?
Compare the code on your payslip with the code shown in your HMRC account. If your expected income, employer details or taxable benefits are wrong, update HMRC rather than trying to change the code through your employer.
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FAQs
Does 1257L mean I pay no tax on £12,570?
Broadly, it reflects the standard £12,570 Personal Allowance, although your actual annual tax position still depends on total taxable income and your circumstances.
Is 1257L M1 the same as 1257L?
No. 1257L M1 is an emergency month-1 code that looks only at the current month rather than using the normal cumulative basis.
Can I have 1257L on two jobs?
You normally only have one Personal Allowance, so HMRC will not usually give the full standard allowance to two employments at the same time.