Where do you send your self-assessment tax return?

If you are submitting a paper self-assessment tax return, you should send it to:

Self Assessment
HM Revenue & Customs
BX8 1AS

What is the self-assessment tax year?

The self-assessment tax year ends on 5 April.  The 2018/19 tax year is 6 April 2018 to 5 April 2019.

How do you register for UK self-assessment tax?

How you register for self-assessment tax depends on whether or not you are self-employed.  If you are self-employed you will need to complete a form CWF1.  If you are not self-employed you will need to complete a form SA1.

Who completes a UK self-assessment tax return?

You may be required to complete a self-assessment tax return for a number of different reasons.  For the 2017/18 tax year, examples of these reasons include when:

  •  You received self-employment income or rental income of more than £1,000.
  • You received other untaxed income of more than £2,500.
  • You received dividends or income from savings or investments of £10,000 or more before tax.
  • You were a company director or a trustee
  • You received income from abroad that you need to pay tax on.
  • You lived abroad and had UK income.
  • Your taxable income was over £100,000.
  • Your income was over £50,000 and you or your partner claimed child benefit.
  • Your state pension was more than your personal allowance.
  • You made profits on the sale of assets and may be liable to capital gains tax.

What does a UK self-assessment tax form look like?

The paper version of the self-assessment tax return (SA100) for the 2017/18 tax year looks like this:

Tax Return | Plus Accounting

Michelle Baldwin | Plus Accounting

Author: Michelle Baldwin, Tax Senior, Plus Accounting

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