Self Assessment tax return forms

Download or request forms to help you send your tax return either online or by post.

You must send your tax return by the deadline or you’ll get a penalty.

This guide is also available in Welsh (Cymraeg).

The main tax return (SA100)

You can file your Self Assessment tax return online.

If you need a paper form, call HMRC and request form SA100.

If you’re sending an SA100 tax return for the 2022 to 2023 tax year or earlier, get forms from the National Archives.

Getting help

You can:

Only fill in the short tax return (SA200) if HMRC sends it to you. You cannot download it, but you can read the guidance notes.

Extra sections

You might need to fill in more sections, known as ‘supplementary pages’, if you’re telling HMRC about these types of income:

Check the full list of supplementary pages to make sure you fill in the right sections if you’re sending your return by post.

Where to send paper forms

If you live in the UK, you can send completed paper forms to:

Self Assessment
HM Revenue and Customs
BX9 1AS

If you live outside the UK, you can send completed paper forms to:

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

Sending a tax return if you’re not an individual

There are special forms if you’re sending a tax return for a business partnership or non-resident company, or if you’re a trustee.

Type of tax return Forms and guidance notes
Non-resident companies SA700 form
Partnership SA800 form (including supplementary pages)
Trust and estate SA900 form (including supplementary pages)
Trustees of registered pension schemes SA970 form

If you need help you can:

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