2026/27 tax year

Is Your Tax Code Right?

Millions of people are on the wrong code and don't know it. A wrong code costs hundreds a year — backdated allowances can mean a four-figure lump sum. This pack shows you how to check and fix it yourself, directly with HMRC, for free.

  • Decode any tax code — 1257L, BR, OT, K codes, emergency codes
  • Check your payslip line by line
  • Find every refund you may be owed — Marriage Allowance, pension relief, job expenses, WFH
  • Claim back up to four years of overpaid tax before it expires
  • The £100,000 trap, Child Benefit charge, student loan overpayments
  • Fix it with HMRC yourself — step-by-step
£4.99 one-off · instant PDF download
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PAYE Tax Code Pack — cover PAYE Tax Code Pack — page 2
PAYE Tax Code Pack — page 3
Unlock full pack — £4.99

For general information only. Not financial or tax advice. Terms