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 | D1 W1 | K475 |
|---|---|---|
| Category | Emergency | KCode |
| Region | rUK | rUK |
| Allowance | £0 | £-4,750 |
| Emergency / non-cumulative | Yes | No |
| Approx. annual tax on £30k | £6,000 | £6,950 |
| In one sentence | All income from this source taxed at 45%, no personal allowance. on a non-cumulative (W1) basis. | Adds £4,750 to your taxable pay because untaxed income exceeds your allowance. |
Bottom line on £30k
On a £30,000 salary, D1 W1 deducts roughly £6,000 in income tax per year vs £6,950 for K475. That is a difference of £950 per year - D1 W1 is less expensive.
Hand-picked side-by-sides that answer the most-searched UK tax-code questions.
Upload your payslip and we will tell you whether the code being applied is correct for the pay you actually received.
Check My Payslip