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How to complete your tax return for Self Assessment

How to report your income and claim tax reliefs and any repayment due to you using the SA100 tax return.

From:
HM Revenue & Customs
Published
7 July 2014
Last updated
4 May 2023 — See all updates

Documents

How to fill in your tax return (2023)

PDF, 967 KB, 17 pages

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How to fill in your tax return (2022)

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How to fill in your tax return (2021)

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How to fill in your tax return (2020)

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SA100 tax return (2023) —  for reference only

PDF, 1.22 MB, 10 pages

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SA100 tax return (2022)

PDF, 1.24 MB, 10 pages

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SA100 tax return (2021)

PDF, 1.39 MB, 10 pages

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SA100 tax return (2020)

PDF, 730 KB, 10 pages

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Details

You can file your Self Assessment tax return online.

If you decide not to file your return online, call us to request a paper return.

The SA100 is the main tax return for individuals. Use it to file your tax return for:

  • student loan repayments
  • interest and dividends
  • UK pensions and annuities
  • paying into registered pension schemes
  • charitable giving
  • claiming Blind Person’s Allowances
  • High Income Child Benefit Charge
  • Marriage Allowance
  • claiming a repayment

If you have requested a paper tax return, you’ll need to complete and post it to HMRC.

If you live in the UK send to:

Self Assessment
HM Revenue & Customs
BX9 1AS
United Kingdom

If you live outside the UK send to:

HM Revenue & Customs
Benton Park View
Newcastle Upon Tyne
NE98 1ZZ
United Kingdom

HMRC must receive your paper tax return by the deadline.

If you miss the paper filing deadline, send your return online instead to avoid a penalty.

You may need to include supplementary pages for certain types of income.

Supplementary pages

SA101: Additional Information

SA102: Employment

SA102M: Ministers of Religion

SA102MP: Parliament

SA102MLA: Northern Ireland Legislative Assembly

SA102MSP: Scottish Parliament

SA102WAM: The National Assembly for Wales

SA103S: Self-employment (Short)

SA103F: Self-employment (Full)

SA103L: Lloyd’s underwriters

SA104S: Partnership (Short)

SA104F: Partnership (Full)

SA105: UK Property

SA106: Foreign

SA107: Trusts etc

SA108: Capital Gains Summary

SA109: Residence, remittance basis etc

SA110: Tax Calculation Summary

Claim tax relief on pension contributions

Tell HMRC about a Student Loan in your tax return

Published 7 July 2014
Last updated 4 May 2023 + show all updates

  1. The information in box 8 has been updated and an example has been added.

  2. The form and notes have been added for tax year 2022 to 2023.

  3. The form and notes have been added for tax year 2022 to 2023. We have removed the form and notes for 2018.

  4. The form and notes have been added for tax year 2020 to 2021.

  5. The address of where to send your completed paper tax return if you live outside the UK has been added.

  6. The form and notes have been added for tax year 2019 to 2020.

  7. The tax return form for tax year 2018 to 2019 has been updated.

  8. The Tax return form and notes have been added for tax year 2018 to 2019 and the Self Assessment returns address for Wales has been updated.

  9. The 2017 to 2018 form and notes have been added to this page.

  10. The 2016 to 2017 form and notes have been added to this page.

  11. Rates, allowances and duties have been updated for the tax year 2016 to 2017.

  12. Updates made to How to fill in your tax return (2015).

  13. Tax return 2015 updated with information about how HMRC will make repayments to customers.

  14. The 2015 to 2016 form has been added to this page.

  15. The Self Assessment/PAYE return postal address has now changed for the returns to be received by HMRC. The new postal address has been added to send back completed returns.

  16. Added translation

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