23/06/2026
Tax codes aren't as straightforward as they seem. Did you know your tax code can change with new jobs, pensions, or benefits? Find out why that twist might affect your next payslip. Read on to see if your code is doing what it should.
Your tax code tells your employer or pension provider how much Income Tax to deduct from your pay. It is set by HMRC, and you may have a different code for each job or pension. Most people with one job (or pension) use the code 1257L, which reflects