HMRC Announces £10 Daily Fines for Late Self Assessment Tax Returns Starting 2026 Friday, July 10, 2026 hmrc selfassessment taxreturns penalties fines taxdeadline uktax latefiling taxpayments taxcompliance HM Revenue and Customs (HMRC) has confirmed that from January 31, 2026, households in the UK who fail to file their Self Assessment tax return on time will face strict financial penalties. An initial fixed penalty of £100 … Read More