2026/27 tax codes
Tax code 1131N explained
- 1131 means you can earn £11,310 a year before paying income tax.
- N means you transferred 10% of your Personal Allowance to your partner (Marriage Allowance).
How much tax 1131N takes
| Salary | Tax a year on 1131N | Tax a year on 1257L | Difference a month |
|---|---|---|---|
| £20,000 | £1,736 | £1,484 | +£21.00 |
| £30,000 | £3,736 | £3,484 | +£21.00 |
| £45,000 | £6,736 | £6,484 | +£21.00 |
| £60,000 | £11,932 | £11,428 | +£42.00 |
| £90,000 | £23,932 | £23,428 | +£42.00 |
Income tax through PAYE only, with no pension or benefits. Try your own salary with 1131N.
Check another code
Common questions
What does tax code 1131N mean?
1131 means you can earn £11,310 a year before paying income tax. N means you transferred 10% of your Personal Allowance to your partner (Marriage Allowance).
How much tax does 1131N take on £30,000?
On a £30,000 salary, code 1131N takes £3,736 of income tax a year through PAYE in 2026/27, compared with £3,484 on 1257L.
Is 1131N the right tax code for me?
Check your code in the HMRC app or your Personal Tax Account. If it does not match your situation, tell HMRC: overpaid tax is refunded and underpaid tax is usually collected through next year's code.
Official sources
Every rate and threshold on this page is checked against these official pages. How we calculate
- Tax codes (GOV.UK)
- Emergency tax codes (GOV.UK)
- PAYE Manual (HMRC)
- Check your Income Tax for the current year (HMRC)
Related
Updated