What does the 1257L tax code actually mean?

1257L is HMRC's standard UK tax code for the 2026/27 tax year. The 1257 stands for the £12,570 Personal Allowance (just multiply by 10), and the L confirms you are entitled to the normal allowance with no adjustments. In plain English: your first £12,570 of pay each year from this employer or pension is tax-free, and everything above that is taxed at 20%, 40% or 45% depending on the band.

Why is my tax code 1257L and not another number?

1257 × 10 = £12,570, which is the 2026/27 standard Personal Allowance. The 'L' suffix confirms you're entitled to the normal, untouched PA. If your allowance differs (Marriage Allowance, company benefits, tax owed), HMRC adjusts the number and/or the letter - you might see 1100L if you have a small benefit-in-kind, or 1383M if you have received Marriage Allowance.

Is 1257L the right tax code for me?

For around 30 million UK taxpayers, yes. 1257L is the right code if you have one main job, do not receive untaxed company benefits, have not transferred or received Marriage Allowance, do not owe HMRC tax from a previous year, and your State Pension does not push you over the £12,570 PA. If any of those apply, your code will (correctly) be different - and the number will reflect what changed.

How much tax do I pay on 1257L?

On 1257L you pay 0% on your first £12,570, then 20% on income from £12,571 to £50,270, 40% on income from £50,271 to £125,140, and 45% on anything above £125,140. Concretely: a £30,000 salary on 1257L pays £3,486 Income Tax (£17,430 × 20%); a £55,000 salary pays £9,432 (£37,700 × 20% + £4,730 × 40%). National Insurance is on top of this and calculated separately.

Will 1257L change for 2027/28?

The Personal Allowance is currently frozen at £12,570 through to at least April 2028 under policy announced in successive Budgets. Unless a future fiscal event unfreezes it, 1257L stays the standard code through 2027/28 and into 2028/29. Frozen thresholds in a period of wage growth pull more people into higher tax bands - this is sometimes called "fiscal drag".

My code is 1257L but my salary looks wrong on payslip - what's happening?

Check whether the code has a W1, M1 or X suffix (non-cumulative/emergency). Without that, your pay should reconcile year-to-date through PAYE. If totals still look off, log into your Personal Tax Account at gov.uk/personal-tax-account - HMRC shows the exact PA and any deductions they have applied. Common culprits: a duplicate employment record, leftover BIK from a benefit you no longer receive, or a P11D that arrived late.

Does 1257L apply in Scotland?

Yes - the Personal Allowance of £12,570 is UK-wide, so Scottish taxpayers also use 1257L (written with the Scottish 'S' prefix, e.g. S1257L). The PA amount is the same; only the income-tax bands above it differ. Scotland has six bands (Starter 19%, Basic 20%, Intermediate 21%, Higher 42%, Advanced 45%, Top 48%) for 2026/27.

Tax Code · 2026/27

1257L Tax Code 2026/27: The Standard UK Code

1257L is the default UK tax code for 2026/27. It gives you the full £12,570 Personal Allowance before Income Tax is deducted - the number 1257 is your allowance divided by 10, and the L means a standard untouched allowance.

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What the 1257L tax code means

The 1257L tax code tells your employer (or pension provider) to apply the full standard Personal Allowance of £12,570 to your pay before calculating Income Tax. The number '1257' is simply your PA divided by 10; the 'L' suffix signals this is the normal tax code with no adjustments.

In practice, your first £12,570 of annual income from this source is tax-free. Everything above that is taxed through the usual bands - 20% basic rate up to £50,270, 40% higher rate up to £125,140, 45% additional rate above that (England, Wales and Northern Ireland; Scotland has different bands).

HMRC defaults most UK employees to 1257L at the start of each tax year, updating it only when your circumstances change - a new job mid-year, company benefits, claimed Marriage Allowance, state pension, or an adjustment from previous under- or overpaid tax.

1257L is by far the most common UK tax code: more than 30 million employees and pensioners hold it in any given year. If your circumstances are 'one job, no benefits, no Marriage Allowance, no tax owed' then 1257L is what you should expect to see, every payslip, every year, until either the Personal Allowance changes (currently frozen through April 2028) or your situation does.

When you'll see 1257L

Your main (or only) job - 1257L applies to the single employment that HMRC believes uses your full PA.
After HMRC processes your P45 from a previous employer, confirming the PA is being used correctly.
After a standard Starter Checklist declaration when joining a new employer.
Your first salaried job with no prior PAYE history, once HMRC processes the tax-year setup.
Your only pension drawdown - if you have no other income, the pension provider applies 1257L on a cumulative basis from the second payment onwards (the first payment is usually emergency M1, then it normalises).

What to do if you have a 1257L code

Usually nothing - this is the expected code for most employees. Check your payslip shows 1257L (not a variant like 1257L W1).
If you also have a second job, expect the second job's tax code to be BR, D0, or D1 because your PA is used up on the main job.
If you claim Marriage Allowance, your code shifts to 1383M (received) or 1131N (transferred) - see the relevant detail pages.
If you receive untaxed company benefits (car, private medical), HMRC may reduce the numerical part of your code (e.g. to 1100L) to recover tax on those benefits via PAYE.
If your code shows S1257L (Scotland) or C1257L (Wales), the allowance is identical to 1257L - only the regional bands above it differ. Don't try to 'correct' it; HMRC sets the prefix automatically from your registered address.

Worked example

Gross salary £35,000 on 1257L. Personal Allowance £12,570 is tax-free. The remaining £22,430 falls within the basic-rate band (up to £50,270), so Income Tax is 20% × £22,430 = £4,486. National Insurance is calculated separately on pay above £12,570 at 8% (Class 1, 2026/27 rate). Take-home before any pension or student loan is roughly £28,720 per year - which works out to about £2,393/month.

Want to see the numbers for your own salary? Use the salary calculator and pick 2026/27 to see how 1257L interacts with your full take-home.

Frequently asked questions about 1257L

What does the 1257L tax code actually mean?: 1257L is HMRC's standard UK tax code for the 2026/27 tax year. The 1257 stands for the £12,570 Personal Allowance (just multiply by 10), and the L confirms you are entitled to the normal allowance with no adjustments. In plain English: your first £12,570 of pay each year from this employer or pension is tax-free, and everything above that is taxed at 20%, 40% or 45% depending on the band.
Why is my tax code 1257L and not another number?: 1257 × 10 = £12,570, which is the 2026/27 standard Personal Allowance. The 'L' suffix confirms you're entitled to the normal, untouched PA. If your allowance differs (Marriage Allowance, company benefits, tax owed), HMRC adjusts the number and/or the letter - you might see 1100L if you have a small benefit-in-kind, or 1383M if you have received Marriage Allowance.
Is 1257L the right tax code for me?: For around 30 million UK taxpayers, yes. 1257L is the right code if you have one main job, do not receive untaxed company benefits, have not transferred or received Marriage Allowance, do not owe HMRC tax from a previous year, and your State Pension does not push you over the £12,570 PA. If any of those apply, your code will (correctly) be different - and the number will reflect what changed.
How much tax do I pay on 1257L?: On 1257L you pay 0% on your first £12,570, then 20% on income from £12,571 to £50,270, 40% on income from £50,271 to £125,140, and 45% on anything above £125,140. Concretely: a £30,000 salary on 1257L pays £3,486 Income Tax (£17,430 × 20%); a £55,000 salary pays £9,432 (£37,700 × 20% + £4,730 × 40%). National Insurance is on top of this and calculated separately.
Will 1257L change for 2027/28?: The Personal Allowance is currently frozen at £12,570 through to at least April 2028 under policy announced in successive Budgets. Unless a future fiscal event unfreezes it, 1257L stays the standard code through 2027/28 and into 2028/29. Frozen thresholds in a period of wage growth pull more people into higher tax bands - this is sometimes called "fiscal drag".
My code is 1257L but my salary looks wrong on payslip - what's happening?: Check whether the code has a W1, M1 or X suffix (non-cumulative/emergency). Without that, your pay should reconcile year-to-date through PAYE. If totals still look off, log into your Personal Tax Account at gov.uk/personal-tax-account - HMRC shows the exact PA and any deductions they have applied. Common culprits: a duplicate employment record, leftover BIK from a benefit you no longer receive, or a P11D that arrived late.
Does 1257L apply in Scotland?: Yes - the Personal Allowance of £12,570 is UK-wide, so Scottish taxpayers also use 1257L (written with the Scottish 'S' prefix, e.g. S1257L). The PA amount is the same; only the income-tax bands above it differ. Scotland has six bands (Starter 19%, Basic 20%, Intermediate 21%, Higher 42%, Advanced 45%, Top 48%) for 2026/27.

All UK tax codes →

Sources & further reading

All figures and definitions on this page reflect the 2026/27 UK tax year and are cross-checked against HMRC guidance.

HMRC — What your tax code means (official meanings for L, BR, D0, D1, K, 0T, NT, M, N, S, C, T)
HMRC — Income Tax rates and Personal Allowance (2026/27 bands and thresholds)
HMRC — Emergency tax codes (W1, M1 and X suffixes)
HMRC — Rates and thresholds for employers 2026 to 2027
HMRC — Your Personal Tax Account (check your current code and how it was calculated)
Our methodology & calculation sources →