1257L Tax Code Explained (UK 2025/26) – Meaning, Allowance & How It Affects Your Pay
It’s payday. You open the envelope, or maybe your phone buzzes with that sweet “payment received” notification.You glance at the total, smiling — until your eyes drift down to a small, almost forgettable section of your payslip. 1257L tax code. It’s just a mix of numbers and a single letter. Looks harmless. But that little

