For Hector at least

BBC News - Tax penalties of £1,200 sent out by HMRC

About 500,000 people are being sent notices of penalties of at least £1,200 for failing to submit their self-assessment tax returns.

The HM Revenue and Customs (HMRC) penalty is made up of £900 in daily fines alongside a late-filing penalty of £300 or 5% of the tax due.
They can charge people £600m for telling them to do the job they can't do themselves, I see a Plan B opportunity!