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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
Attribute800LS0T W1
CategoryStandardEmergency
RegionrUKScotland
Allowance£8,000£0
Emergency / non-cumulativeNoYes
Approx. annual tax on £30k£4,400£6,000
In one sentenceReduced allowance of £8,000 - usually because of benefits-in-kind, an underpayment, or a P11D adjustment.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, 800L deducts roughly £4,400 in income tax per year vs £6,000 for S0T W1. That is a difference of £1,600 per year - 800L is less expensive.

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