How to claim a tax refund if you think you've paid too much tax through PAYE
How to claim a tax refund for current and earlier years if you think you've paid too much under Self Assessment
When you might have overpaid National Insurance contributions (NICs) and who to contact to claim a refund
Who to contact about your tax code if you think it's wrong, why temporary tax codes are used
Find out if you can claim tax back on your bank and building society accounts, how to make a claim and how to register to have interest paid tax-free in the future