Compare UK Tax Codes
Pick any two UK PAYE tax codes and we will line up the allowance, emergency status, region and approximate annual tax on a £30,000 salary so you can see exactly how they differ.
Last updated 2026-04-12
| Attribute | 1257L | 0T |
|---|---|---|
| Category | Standard | ZeroAllowance |
| Region | rUK | rUK |
| Allowance | £12,570 | £0 |
| Emergency / non-cumulative | No | Yes |
| Approx. annual tax on £30k | £3,486 | £6,000 |
| In one sentence | Standard personal allowance of £12,570 for England, Wales and NI. | No personal allowance. All income taxed via the normal 20% / 40% / 45% bands. |
Bottom line on £30k
On a £30,000 salary, 1257L deducts roughly £3,486 in income tax per year vs £6,000 for 0T. That is a difference of £2,514 per year — 1257L is less expensive.
Popular comparisons
Hand-picked side-by-sides that answer the most-searched UK tax-code questions.
Want a real check, not just a comparison?
Upload your payslip and we will tell you whether the code being applied is correct for the pay you actually received.
Check My Payslip