UK Tax Deadlines 2025/26

The complete UK tax deadlines calendar for the 2025/26 tax year, available as a one-page PDF for quick reference or an ICS calendar file for direct import into Google Calendar, Apple Calendar, Outlook, or any standards-compliant calendar app. Covers Self Assessment registration, paper + online filing, payment dates, VAT quarter ends, Corporation Tax filing windows, PAYE / RTI dates, MTD-ITSA Phase 1 mandate from April 2026, and capital gains 60-day reporting deadlines. No signup, no email capture, direct download.

Last reviewed: 23 May 2026

Guidance, not advice. We explain the rules, we don't assess your situation. Always seek financial or tax advice from your accountant, or contact HMRC. Read our editorial scope →

Free download, no signup, no email, no tracking.

Download PDF (one-page reference)(~80KB)Download ICS calendar (Google, Apple, Outlook)(~12KB)

What it contains

PDF: one-page printable reference covering all 2025/26 UK tax deadlines, Self Assessment (registration 5 Oct + paper 31 Oct + online 31 Jan + second POA 31 Jul); VAT quarter-end filing windows; Corporation Tax payment + filing deadlines; PAYE / RTI monthly dates; MTD-ITSA Phase 1 from April 2026; 60-day CGT reporting on residential property; P11D / P11D(b) reporting. ICS calendar file: each deadline as a separate all-day event with 7-day and 1-day reminder defaults. Import once into your calendar app + you get native reminders automatically. The ICS file is reusable year-on-year; we publish updated ICS files each spring as Treasury confirms new tax-year dates.

How to use it

PDF, printable reference

Download the PDF, print one copy, stick it on the wall next to your desk. Single-page layout designed for quick reference. No tax-position assumptions, covers all common UK deadlines regardless of whether you are sole trader, Ltd Co director, landlord, or any combination.

ICS calendar, native reminders

Download the ICS file + open it (or import in your calendar app's settings). Google Calendar: Settings, Import & Export, Import. Apple Calendar: File, Import. Outlook: File, Open & Export, Import/Export, iCalendar (.ics). Each deadline becomes a calendar event with reminders 7 days and 1 day before. Once imported, you have native UK tax deadline reminders forever, no email subscription, no app required.

Annual update + version-stamping

TaxKiln publishes updated PDF + ICS files each spring after Treasury confirms rates + dates for the new tax year. Subscribe to TaxKiln RSS or check this page each April for the new year's calendar. The 2025/26 file covers events through 31 July 2027 (the second POA deadline for the 2025/26 tax year); the 2026/27 file lands April 2026.

What it does not replace

This calendar is generic UK tax deadlines. It does not account for your specific tax-year accounting period if your Ltd Co has a non-standard year-end; bespoke arrangements with HMRC (time-to-pay, deferral agreements); industry-specific deadlines (e.g. CIS monthly returns, charity-specific filings); Scottish-specific dates where they differ from UK-wide deadlines. For your specific position, consult an accountant or check your HMRC personal tax account.