03/06/2026
The ยฃ100 filing penalty
Did you know HMRC charges a ยฃ100 penalty for a Self Assessment return filed just 1 day late, even if you don't owe any tax?
Filing on time costs nothing. Missing the deadline does.
https://jollyaccountancyservices.co.uk/2026/06/01/hmrc-penalties-interest-may-2026/