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 | 1185L | SD0 |
|---|---|---|
| Category | Historical | Scottish |
| Region | rUK | Scotland |
| Allowance | £11,850 | £0 |
| Emergency / non-cumulative | No | No |
| Approx. annual tax on £30k | £3,630 | £6,000 |
| In one sentence | Standard allowance for tax year 2018/19: £11,850. | Scottish taxpayer version of D0 - same allowance logic, but Scottish income-tax rates apply. |
Bottom line on £30k
On a £30,000 salary, 1185L deducts roughly £3,630 in income tax per year vs £6,000 for SD0. That is a difference of £2,370 per year - 1185L 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