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UK Tax Calendar 2026/27

Key HMRC Deadlines at a Glance

Stay ahead of penalties with this simple UK tax deadline overview.

If you’re unsure which dates apply to you, call 0191 592 0555 or request a free tax review.

🔴 Major Self Assessment Deadlines

31 January

  • Online Self Assessment return
  • Tax payment due
  • First Payment on Account

31 July

  • Second Payment on Account

5 October

  • Deadline to register for Self Assessment

31 October

  • Paper tax return deadline
Tax Year

🟠 Monthly PAYE & CIS Deadlines

These apply if you run payroll or operate CIS.

Every Month

  • 19th – Payment due (postal)
  • 22nd – Payment due (electronic)

🔵 Tax Year Key Dates

5 April

  • End of tax year

6 April

  • New tax year begins

🟢 Employee & Payroll Deadlines

31 May

  • Issue P60s to employees

6 July

  • P11D submission deadline

  • P11D(b) submission deadline

🟣 Limited Company Deadlines

Corporation Tax

  • Due 9 months and 1 day after your company year end

Annual Accounts

  • Due 9 months after year end (Companies House)

Confirmation Statement

  • Due annually (based on incorporation date)

🟡 Landlords & Property

31 January

  • Rental income declared via Self Assessment

31 July

  • Payment on Account (if applicable)

Capital Gains on UK Property

  • Report & pay within 60 days of completion

Not Sure What Applies To You?

Different rules apply depending on whether you’re:

• CIS Subcontractor

• Limited Company Director

• Sole Trader

• Landlord

At Edgemark Accounting Ltd, we:

✔ Send deadline reminders

✔ Reduce Payments on Account where possible

✔ Deal directly with HMRC

✔ Support construction workers & contractors

📞 0191 5920555

📧 info@edgemark.co.uk