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:
Author: Michelle Baldwin, Tax Senior, Plus Accounting
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