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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
AttributeD1 W11100L
CategoryEmergencyHistorical
RegionrUKrUK
Allowance£0£11,000
Emergency / non-cumulativeYesNo
Approx. annual tax on £30k£6,000£3,800
In one sentenceAll income from this source taxed at 45%, no personal allowance. on a non-cumulative (W1) basis.Standard allowance for tax year 2016/17: £11,000.

Bottom line on £30k

On a £30,000 salary, D1 W1 deducts roughly £6,000 in income tax per year vs £3,800 for 1100L. That is a difference of £2,200 per year - D1 W1 is more expensive.

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