See your Making Tax Digital for Income Tax penalty points out of 4 and which deadline would cost £200. Example: late on 7 August 2027, 31 January 2028 and 7 February 2028 is 3 points, so missing 7 May 2028 brings a £200 penalty. The points drop off on 7 August 2029, 31 January 2030 and 7 February 2030.

For UK sole traders and landlords who must use MTD for Income Tax from 6 April 2026 or 6 April 2027, and the bookkeepers who track their deadlines.

Rules from gov.uk (updated 30 March 2026): one point per missed quarterly update or tax return deadline, and only one per deadline even with several businesses. No points for 2026-27 quarterly updates. £200 at 4 points and for each later miss. Points drop off after 24 months; at 4, after 12 months on time. Late payment: 3% or 4% at day 15 and day 30, then 10% a year. A 2027-28 bill of £6,000 paid 60 days late costs £529.32.

Free: one taxpayer and one tax bill, with no limit on use.

Pro (5 tools): unlimited taxpayers on one board, part payments and the payment plan date, an HMRC letters check against your own count, a deadline calendar with a 7-day alert, and a ledger CSV plus JSON backup.

No login and no server: your data stays in your browser. It does not contact HMRC.

A record-keeping and calculation tool, not tax or legal advice.