What is the penalty for filing UK company accounts late?

For private limited companies: Up to 1 month late is £150, 1 to 3 months late is £375, 3 to 6 months late is £750, and over 6 months late is £1,500. Penalties double if accounts are filed late two years in a row.

When are annual accounts due for a new UK company?

For a new UK company, the first accounts are usually due 21 months from the date of incorporation, or 9 months after the first financial year-end (Accounting Reference Date), whichever is earlier.

Free Tool · Companies House Deadlines 2026

UK Companies House Deadline & Penalty Calculator

Calculate statutory annual account filing deadlines and estimate official Companies House late filing penalties under Section 453 of the Companies Act 2006.

Financial Year-End Month (ARD)

Months Overdue Past Deadline

Accounts filed late 2 years in a row? (Doubles the Companies House statutory penalty)

Statutory Filing Deadline

9 Months after end of March

Estimated Companies House Penalty

£375

(1,744 AED)

Companies House Urgent Notice & Penalty Risk

Late penalties escalate automatically over time. Immediate submission stops penalty escalation.

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