This page looks at what to do if you have paid too much tax on your employment or pension income.

If you no longer need to file Self Assessment tax returns, you should tell HMRC.

On this page, we explain how to claim a refund of tax paid on savings income. This information is for people who do not have to fill in a tax return. If you normally complete a tax return, see our page Self assessment tax refunds.

If you were required to submit a Self Assessment tax return for a particular tax year to HMRC but you did not do so, HMRC may eventually send you a letter which sets out a ‘determination’ of the tax they think you owe for that tax year. If you failed to file more than one tax return you may get ...

Self Assessment payments usually become due on 31 January each year. Sometimes payments are also due on 31 July too. Here we explain which Self Assessment tax payments are due on each of these days. 

If, after you have filed your tax return, you become aware that an entry is incorrect, you can amend that return if you are in time to do so. Also, if you have used provisional figures when you completed a tax return, you will need to amend your tax return when the actual information becomes ...