Self Assessment guides

Get your Self Assessment checklist

Download your guide to completing every step of your Self Assessment tax return with ease. Simply follow the checklist from registration through to filing and take the stress out of this year’s return.

File your Self Assessment tax return directly to HMRC on a 30-day free trial

Guides to help you breeze through your Self Assessment tax return

Not sure where to start with your tax return? In the middle of a post-deadline panic? Whatever your Self Assessment query, we can help! Simply browse through the list below to find the right guide for you.

Preparing to file

Completing the return

Filing Self Assessment online with HMRC

How long will it take for my tax bill payment to reach HMRC?

There a number of different ways to pay your tax bill and each method takes a different amount of time to process before your payment can reach HMRC. To help you plan to pay your tax bill on time, here’s a breakdown of how long it will take for your payment to reach HMRC through each of the methods available

After the deadline

Important dates

Online tax return deadline

Midnight, 31st Jan 2022

Tax year to file for

6th April 2020 to 5th April 2021

Final payment of any tax due

Midnight, 31st Jan 2022

Penalty for late filing

HMRC will issue a late filing penalty of £100 for tax returns that are up to three months late.