19/06/2026
Missed your self-assessment tax deadline? Penalties could stack up fast – from initial fines to daily charges. Find out why paying on time really matters and how to avoid unexpected costs. Read on to stay ahead.
Self-assessment tax penaltiesIf you are required to complete a self-assessment tax return, HMRC may charge penalties if you miss the deadline for making a filing or payment. There are also penalties if you fail to register on time for self-assessment. If you register late and do not pay your tax bi...