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 | C1257L |
|---|---|---|
| Category | Standard | Welsh |
| Region | rUK | Wales |
| Allowance | £12,570 | £12,570 |
| Emergency / non-cumulative | No | No |
| Approx. annual tax on £30k | £3,486 | £3,486 |
| In one sentence | Standard personal allowance of £12,570 for England, Wales and NI. | Welsh taxpayer version of 1257L. Currently identical in cash terms to the rUK code. |
Bottom line on £30k
On a £30,000 salary, 1257L deducts roughly £3,486 in income tax per year vs £3,486 for C1257L. The two codes produce the same annual tax at this salary.
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