Self Assessment: forms ordering

Call HMRC to order Self Assessment forms.

Phone

You can file your Self Assessment tax return online.

If you need a paper form you can either:

If you’ve already contacted HMRC to request a paper tax return, check when you can expect a reply.

If you need to tell HMRC about additional types of income, you can download all other supplementary pages.

HMRC does not supply blank tax return forms to agents.

If you cannot use the phone and need to order a SA100 tax return, you can ask someone you trust to order one for you.

Before you call us, find out about call charges.

Telephone: 0300 200 3610

Outside UK: +44 161 930 8331

Opening times: Monday to Friday: 8am to 5pm. Closed bank holidays.

You can get extra support if your health condition or personal circumstances make it difficult when you contact HMRC.

Find out about call charges

You can also download and use the HMRC app to:

  • track forms and letters you have sent us
  • ask HMRC’s digital assistant for help and information

Self Assessment tax return forms
File your Self Assessment tax return online

Updates to this page

Published 14 May 2025