Personal Tax Return Penalties

Personal Tax Return Penalties

Personal Tax Return Penalties- Self Assessment Late Filing


The penalties for late Self Assessment returns are as follows:

  • Initial £100 penalty for late filing of the tax return, irrespective of the tax due or if you have paid tax on time.
  • If you haven’t filed your return after 3 months daily penalties of £10 per day apply, capped to £900.
  • If you haven’t filed your return after 6 months a further penalty of 5% of the tax due or £300: whichever is greater.
  • After one year, another 5% or £300 charge, whichever is greater. In serious cases, the penalty after 12 months can be up to 100% of the tax due.

The penalties are applicable even if no tax is due.

Late Payment


Interest is applied to any late payment of tax at the rates shown at If you don’t pay you the tax you owe for the previous tax year on time by 31st January the following penalties apply…

  • If not paid within 30 days a 5% surcharge of the tax due applies.
  • If the payment is six months late a further 5% penalty is payable.
  • If the tax goes unpaid for 12 months a further 5% surcharge is payable.

Penalties do not apply to payments on accounts that are late but interest does.

In conclusion, operating a small business means that you have a number of deadlines to adhere to. You must ensure that you file all your HMRC forms on time to avoid penalties and make payments on time to avoid interest and surcharges.

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