Or enter above to calculate from due date.
Calculates from a due date or days late input to show how penalties escalate over time.
Covers Self Assessment filing and payment penalties, VAT penalties and PAYE late payment charges.
Includes estimated HMRC late payment interest at the current rate (Bank Rate + 2.5%).
UK Tax Hero connects you with qualified tax specialists for filing, HMRC investigations, tax planning and more.
Day 1 late: £100. 3 months late: £10/day for up to 90 days. 6 months late: £300 or 5% of tax (whichever higher). 12 months late: a further £300 or 5%.
Yes. HMRC can cancel penalties if you have a "reasonable excuse" (e.g. serious illness, bereavement, postal failure). Disagree with a penalty using SA370 or by calling HMRC. Professional help significantly improves appeal success rates.
One of our matched tax specialists will contact you within 1 business day.
Your details and calculation results have been sent to our team.
A matched specialist will contact you within 1 business day.