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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

Illustration: £30,000 gross / year
Attribute1185LS0T W1
CategoryHistoricalEmergency
RegionrUKScotland
Allowance£11,850£0
Emergency / non-cumulativeNoYes
Approx. annual tax on £30k£3,630£6,000
In one sentenceStandard allowance for tax year 2018/19: £11,850.Scottish taxpayer version of 0T - same allowance logic, but Scottish income-tax rates apply. on a non-cumulative (W1) basis.

Bottom line on £30k

On a £30,000 salary, 1185L deducts roughly £3,630 in income tax per year vs £6,000 for S0T W1. That is a difference of £2,370 per year - 1185L is less expensive.

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