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The short answer
1257L is the tax code GOV.UK says is currently used for most people with one job or pension. The 1257 is your £12,570 tax-free Personal Allowance with the last digit removed, and L means you get the standard allowance. If the code ends in W1, M1 or X, or starts with S or C, it means something extra: an emergency basis, or Scottish or Welsh rates.
Your first UK payslip will show a short code next to your National Insurance number. For most new workers it reads 1257L. It is not an account number or a personal ID: it is an instruction from HMRC telling your employer how much of your pay to leave untaxed.
Breaking down 1257L
- 1257
- Your tax-free amount from this job for the tax year, with the final digit dropped. HMRC starts from the standard Personal Allowance of £12,570, removes the last digit and adds a letter.
- L
- You are entitled to the standard tax-free Personal Allowance.
GOV.UK confirms the standard Personal Allowance is £12,570 for the tax year 6 April 2026 to 5 April 2027, the same figure as the year before. Income up to that amount is taxed at 0%; the code spreads that allowance across your pay packets so you do not wait until April to benefit from it.
What you pay above the allowance
For England, Wales and Northern Ireland the bands GOV.UK publishes for 2026 to 2027 are:
| Band | Taxable income | Rate |
|---|---|---|
| Personal Allowance | Up to £12,570 | 0% |
| Basic rate | £12,571 to £50,270 | 20% |
| Higher rate | £50,271 to £125,140 | 40% |
| Additional rate | Over £125,140 | 45% |
Scotland has its own bands, and a Scottish taxpayer's code starts with S (for example S1257L). Welsh taxpayers see C (C1257L); Wales uses its own rates through the C code. If you live in Scotland and your code has no S, ask payroll why.
Example: what 1257L means on a £28,000 salary
Example only, England, full tax year: £28,000 minus £12,570 leaves £15,430 taxable. At 20% that is £3,086 for the year, or about £257.17 a month. National Insurance and pension are separate deductions, explained in our guide to reading your first UK payslip.
When your number is not 1257
HMRC lowers the number when it needs to collect tax on something through your pay. GOV.UK gives the example of a £1,570 medical insurance benefit from your employer: £12,570 minus £1,570 leaves £11,000, so the code becomes 1100L. Other reasons include untaxed income, expenses you claim relief on or tax owed from an earlier year. A K code means those items exceed your allowance; GOV.UK says an employer cannot take more than half your pre-tax pay using a K code.
Your allowance also shrinks at high incomes: it falls by £1 for every £2 of adjusted net income above £100,000 and is zero at £125,140 or above.
Letters a new arrival might see instead
| Code | What GOV.UK says it means |
|---|---|
| 1257L W1 / M1 / X | Emergency tax code (weekly, monthly or variable pay) |
| 0T | Allowance used up, or a new job where the employer lacks your details |
| BR | All income from this job taxed at the basic rate, usually a second job or pension |
| D0 / D1 | All income from this job taxed at the higher or additional rate, usually a second job |
| NT | No tax on this income |
Why your code can change during the year
GOV.UK lists the usual triggers: starting a new job, starting taxable state benefits, picking up a second job or pension, savings interest above your Personal Savings Allowance, a change in company benefits, claiming Marriage Allowance or work expenses, or being on the wrong code earlier. Each time, HMRC sends the new code to your employer, and if you signed up for paperless notifications in the HMRC app or online account you get an email too. Keep each Tax Code Notice letter; it shows how HMRC reached the number.
If you hold two jobs, for example a care role and weekend shifts, the allowance usually sits on one and the other carries BR. Check the overtime and work rules for your visa in our guide to second jobs on a Skilled Worker visa. An emergency code in a first job is covered in why you may be on an emergency tax code.
What to check first
- Find your code on your payslip, in the HMRC app or in the Check your Income Tax online service.
- Use GOV.UK's check what your tax code means tool if the code is not plain 1257L.
- If it looks wrong, update your employment and income details online; HMRC tells you and your employer the new code within 15 working days.
- If you have just started, wait 35 days before contacting HMRC so it can receive your income details.
Rental or savings income in Nigeria does not change your payroll code automatically. Whether and how it is taxed in the UK, and the effect of the UK and Nigeria tax treaty, is covered in The Ledger's explainer on the UK and Nigeria double tax treaty. This is information, not tax advice.
Where Pryme fits
Knowing your take-home figure makes it easier to plan what goes home each month. A Pryme Personal Account holds GBP and NGN with local details for each (multicurrency), and Swap shows the rate and fee before you approve any conversion. Outside Nigeria, Pryme works through regulated partners.
Questions people ask
What does 1257L mean on my payslip?
It means you get the standard £12,570 tax-free Personal Allowance from that job. 1257 is the allowance without its last digit, and L marks the standard allowance.
Is 1257L an emergency tax code?
Not on its own. It is an emergency code only when followed by W1, M1 or X, or when your payslip shows NONCUM.
Why is my tax code different from 1257L?
HMRC adjusts the number for things like company benefits, untaxed income or tax owed. GOV.UK gives the example of a £1,570 benefit turning 1257L into 1100L.
Has the Personal Allowance changed for 2026?
No. GOV.UK shows £12,570 for both 2025 to 2026 and 2026 to 2027.
Sources
- Tax codes (GOV.UK) · accessed Oct 2026
- Income Tax rates and Personal Allowances (GOV.UK) · accessed Oct 2026
- Emergency tax codes (GOV.UK) · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.