Self Assessment tax returns
Penalties
You’ll get a penalty if you need to send a tax return and you miss the deadline for submitting it or paying your bill.
You’ll pay a late filing penalty of £100 if your tax return is up to 3 months late. You’ll have to pay more if it’s later, or if you pay your tax bill late.
You’ll be charged interest on late payments.
Estimate your penalty for Self Assessment tax returns more than 3 months late, and late payments.
You can appeal against a penalty if you have a reasonable excuse.
Find out how to pay a penalty.
All partners can be charged a penalty if a partnership tax return is late.
If you received a payment under the Horizon Shortfall Scheme between 6 April 2022 and 5 April 2023
If your tax return is late because you did not receive a tax top-up payment, you will not have to pay a late filing penalty or interest on your late payment. Find out how to get support from HMRC.