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 | 1150L | NT W1 |
|---|---|---|
| Category | Standard | Emergency |
| Region | rUK | Any |
| Allowance | £11,500 | N/A |
| Emergency / non-cumulative | No | Yes |
| Approx. annual tax on £30k | £3,700 | £3,486 |
| In one sentence | Reduced allowance of £11,500 - usually because of benefits-in-kind, an underpayment, or a P11D adjustment. | No income tax deducted at source. Issued only with explicit HMRC authority. on a non-cumulative (W1) basis. |
Bottom line on £30k
On a £30,000 salary, 1150L deducts roughly £3,700 in income tax per year vs £3,486 for NT W1. That is a difference of £214 per year - 1150L is more expensive.
Hand-picked side-by-sides that answer the most-searched UK tax-code questions.
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