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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
Attribute1250LK475
CategoryHistoricalKCode
RegionrUKrUK
Allowance£12,500£-4,750
Emergency / non-cumulativeNoNo
Approx. annual tax on £30k£3,500£6,950
In one sentenceStandard allowance for tax year 2019/20: £12,500.Adds £4,750 to your taxable pay because untaxed income exceeds your allowance.

Bottom line on £30k

On a £30,000 salary, 1250L deducts roughly £3,500 in income tax per year vs £6,950 for K475. That is a difference of £3,450 per year - 1250L is less expensive.

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