Around 31% of adults have paid the incorrect amount of tax at some point - with the average overpayment worth £689, according ...
An incorrect code could mean you're entitled to a refund running into thousands of pounds ...
Thousands of workers up and down the UK are thought to be on the wrong tax code, meaning they’re not getting the right amount ...
HMRC overcharged taxpayers £3.5 billion in income tax the latest data shows, with tax coding errors largely to blame.