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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
AttributeCBRC1257L X
CategoryWelshEmergency
RegionWalesWales
Allowance£0£12,570
Emergency / non-cumulativeNoYes
Approx. annual tax on £30k£6,000£3,486
In one sentenceWelsh taxpayer version of BR. Currently identical in cash terms to the rUK code.Welsh taxpayer version of 1257L. Currently identical in cash terms to the rUK code. on a non-cumulative (X) basis.

Bottom line on £30k

On a £30,000 salary, CBR deducts roughly £6,000 in income tax per year vs £3,486 for C1257L X. That is a difference of £2,514 per year - CBR is more expensive.

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