UK filing deadline guides

Confirmation statement deadline (UK) ›

The confirmation statement is due within 14 days of a UK company's confirmation date. Here's exactly what it is, when it's due, and what happens if you miss it.

Annual accounts deadline (UK) ›

Annual accounts are due 9 months after the financial year end for private UK companies, 6 months for public companies. Penalties start at £150 and reach £1,500.

Corporation Tax return (CT600) deadline ›

The CT600 is due 12 months after the end of the accounting period. The Corporation Tax payment itself is due earlier — 9 months and 1 day after the period end.

VAT return deadline (UK) ›

Standard UK VAT returns are due 1 month and 7 days after the end of each VAT quarter. Stagger 1 (Mar/Jun/Sep/Dec), stagger 2 (Apr/Jul/Oct/Jan), or stagger 3 (Ma…

RTI submission deadline (FPS / EPS) ›

Full Payment Submissions (FPS) must reach HMRC on or before each pay day. Employer Payment Summaries (EPS) are due by the 19th of the following month.

P11D filing deadline (6 July) ›

P11D and P11D(b) forms reporting expenses and benefits provided to employees are due to HMRC by 6 July each tax year.

Class 1A NIC payment deadline (22 July) ›

Class 1A NIC on benefits in kind reported on the P11D(b) is due to HMRC by 22 July (postal payment 19 July) following the end of the tax year.

Self Assessment deadline (31 January) ›

The online Self Assessment return and balancing payment are due to HMRC by 31 January following the end of the tax year (5 April).

Self Assessment second payment on account (31 July) ›

The second Self Assessment payment on account is due to HMRC by 31 July. Late payment attracts a 5% surcharge after 30 days.

Self Assessment registration deadline (5 October) ›

New self-employed taxpayers must register for Self Assessment by 5 October following the end of the tax year in which they started trading.

MTD ITSA quarterly update deadline ›

From April 2026 MTD-mandated self-employed taxpayers must submit quarterly updates to HMRC within 1 month and 5 days of each quarter end.

MTD ITSA final declaration deadline (31 January) ›

The MTD ITSA final declaration replaces the SA100 for mandated taxpayers and is due to HMRC by 31 January following the tax year.

Pension automatic re-enrolment deadline (every 3 years) ›

UK employers must complete pension re-enrolment every three years from their staging date. Re-declaration of compliance is due within 5 months.

Charity Commission annual return deadline ›

UK charities with income above £10,000 must file an annual return with the Charity Commission within 10 months of the end of the financial year.

CIS monthly return deadline (19th of the month) ›

Construction Industry Scheme (CIS) contractors must file a monthly return with HMRC by the 19th of the month following the end of the tax month.

ECCTA identity verification deadline (Nov 2025–Nov 2026) ›

From November 2025, all UK company directors and PSCs must complete identity verification with Companies House. Existing directors have until November 2026.

Dormant company accounts deadline ›

Dormant companies must still file dormant accounts (DCA) annually at Companies House — 9 months after the accounting reference date for private companies.

Companies House late filing penalty (full schedule) ›

Late annual accounts at Companies House attract penalties from £150 (1 month late) to £1,500 (over 6 months) for private companies, doubled for public companies…

PSC statement update deadline (14 days) ›

UK companies must notify Companies House of any change to their Persons with Significant Control register within 14 days of the change.

Confirmation statement late filing — consequences ›

Missing the confirmation-statement deadline doesn't trigger an automatic monetary penalty — but persistent failure leads to Companies House striking off the com…

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