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 | 1257M | D1 W1 |
|---|---|---|
| Category | Marriage | Emergency |
| Region | rUK | rUK |
| Allowance | £13,830 | £0 |
| Emergency / non-cumulative | No | Yes |
| Approx. annual tax on £30k | £3,234 | £6,000 |
| In one sentence | Marriage Allowance recipient - allowance increased by £1,260. | All income from this source taxed at 45%, no personal allowance. on a non-cumulative (W1) basis. |
Bottom line on £30k
On a £30,000 salary, 1257M deducts roughly £3,234 in income tax per year vs £6,000 for D1 W1. That is a difference of £2,766 per year - 1257M is less expensive.
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