For any late submissions HMRC will impose a penalty of; £100 penalty after the due date for filling has gone even if you don’t owe any tax or the tax due had been paid. £60 daily fee up to £100 for 3 months delay. An additional £200 or 5% of the tax due if higher after 6 months delay. A further £300 or a further 5% of the tax due if higher. A penalty of 100% of tax due can be imposed for serious cases.