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 | BR | 0T |
|---|---|---|
| Category | BasicRate | ZeroAllowance |
| Region | rUK | rUK |
| Allowance | £0 | £0 |
| Emergency / non-cumulative | No | Yes |
| Approx. annual tax on £30k | £6,000 | £6,000 |
| In one sentence | All income from this source taxed at 20%, no personal allowance. | No personal allowance. All income taxed via the normal 20% / 40% / 45% bands. |
Bottom line on £30k
On a £30,000 salary, BR deducts roughly £6,000 in income tax per year vs £6,000 for 0T. The two codes produce the same annual tax at this salary.
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