What information will I need to fill in a Self Assessment tax return?

  • your 10-digit Unique Taxpayer Reference (UTR)
  • your National Insurance number.
  • details of your untaxed income from the tax year, including income from self-employment, dividends and interest on shares.
  • records of any expenses relating to self-employment.

What happens if I make a mistake on my tax return UK?

Any mistakes can be picked up by HM Revenue & Customs and this could mean that you have extra tax to pay and might receive a penalty notice. But if you made a genuine mistake despite taking reasonable care, no penalty is due and you can appeal against a penalty notice.

When do I have to file my UK tax return?

If you are filing your tax return online, it must be submitted by 31 st January 2019. All payments must also be received by January 31 st 2019. Non-resident tax return requirements: do non-residents have to file a tax return? Just because you no longer live in the UK, you may still be required to complete a tax return.

Do you have to report foreign income on your UK tax return?

Foreign income. Foreign income earned while non-resident is not in scope of UK tax and does not need to be reported on a UK tax return. Therefore, having foreign income will not trigger a filing requirement if you are non-resident. However, non-residents may be required to file a tax return in the UK for other reasons.

When do I need to fill in my tax return?

People and businesses with other income must report it in a tax return. If you need to send one, you fill it in after the end of the tax year (5 April) it applies to.

Are there any questions you can’t ask HMRC?

As Moira Stuart’s TV ads proclaim, tax needn’t be taxing, and indeed HMRC’s website offers people plenty of guidance on filling in forms. However, there are questions you won’t find answers to, and which some taxpayers might feel uncomfortable asking, for fear it will mark them out as tax dodgers or possibly on the fiddle.