1257L Tax Code — What It Means

You get the standard tax-free Personal Allowance and pay no Income Tax on the first £12,570 of income from one job or pension - the number 1257 stands for that allowance.

How 1257L changes your pay on a £30,000 salary

Income tax only, England/Wales/NI, 2026-27. Compared with the standard 1257L code.
CodeIncome tax / yearPer monthTake-home / month*
Standard 1257L£3,486£291£2,210
1257L£3,486£291£2,210

*Take-home per month here reflects income tax only; National Insurance and any student loan or pension are separate.

Why you might have the 1257L code

How to fix a wrong code

1257L is the standard code for 2026-27, so it is usually correct. If you think your allowance is wrong, check your Personal Tax Account or contact HMRC.

Related codes: BR · 0T · W1/M1 · All tax codes

General information, not advice. Estimates assume the standard 1257L tax code and typical circumstances; your payslip may differ by a pound or two because HMRC payroll software truncates at each step. Verify with HMRC or an accountant for any decision. WageReckon stores no salary data - the calculators run in your browser.

Rates for the 2026-27 tax year, current as of 24 July 2026. Source: HMRC (gov.uk). Contains public sector information licensed under the Open Government Licence v3.0. Source: HMRC / gov.uk. See how we calculate.