Tax Year Calendar

UK tax year key dates, deadlines and payment schedules including self-assessment, PAYE and corporation tax dates

Sun, 6 April 2025

Tax Year 2025/26 Begins

Thu, 31 July 2025

Quarter 1 Payment on Account (if applicable)

Fri, 31 October 2025

Quarter 2 Payment on Account

Sat, 31 January 2026

Quarter 3 Payment on Account

Sat, 31 January 2026

Self Assessment Tax Return Deadline (Online)

Sat, 14 February 2026

Payment of Final Tax Due

Sun, 5 April 2026

Tax Year 2025/26 Ends

P60 Deadline

31 May 2026 (employers must issue P60s)

P11D Deadline

6 July 2026 (benefits-in-kind forms)

Dividend Tax Return

31 January 2027 (self assessment)

All dates are for the UK. Tax year runs from 6 April to 5 April. Check HMRC for official dates and any changes.

Related Tools

Calculate your take-home pay after income tax, National Insurance, student loan repayments and pension contributions for the 2025/26 tax year

Calculate employee and employer National Insurance contributions by earnings with 2025/26 thresholds and rates