5. 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 get a 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.

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.