UK Tax Code Explained (2026 Guide): What Your Tax Code Means & How to Fix It
Your UK tax code determines how much Income Tax your employer or pension provider deducts from your pay. If your tax code is wrong, you could overpay tax or receive an unexpected HMRC bill later. This guide explains UK tax codes clearly, using official HMRC rules, practical examples, and up-to-date guidance for the 2025 to…