Self Assessment Countdown: Day 1 - Final Hours to Submit Your Tax Return

Today is January 31st - the Self Assessment deadline day. Every minute counts. Here's your hour-by-hour guide to ensure successful submission before midnight.

Morning Actions (Before 12pm)

Submit as early as possible to avoid system congestion:

• Log into your Government Gateway immediately
• Have your UTR and NI numbers ready
• Check all figures one final time
• Ensure payment method is prepared
• Test internet connection stability

Submission Process

Follow these steps methodically:

• Review each page before proceeding
• Screenshot or print each completed section
• Note any reference numbers displayed
• Save a PDF copy of the final return
• Keep the submission confirmation screen open

Payment Processing

Immediate payment steps after submission:

• Process payment straight after submission
• Save or screenshot payment confirmation
• Note payment reference numbers
• Record exact payment time and date
• Print or save payment receipts

Essential Documentation

Secure these critical records immediately:

• Submission confirmation email
• Payment confirmation
• Calculation breakdown
• Supporting documents used
• Screenshots of key pages

Technical Contingency

Be prepared for technical issues:

• Have mobile hotspot ready as backup internet
• Keep HMRC technical support number handy
• Prepare alternative device if needed
• Note down all error messages
• Document any submission attempts

Emergency Support Available

Don't panic if you encounter problems. Our emergency tax team is available throughout deadline day to help ensure your submission is successful. Contact us immediately on 01474 619 990 or email This email address is being protected from spambots. You need JavaScript enabled to view it. for urgent assistance.

After Submission

Critical final steps:

• Verify submission email received
• Check payment has been processed
• Store all confirmations securely
• Note submission reference number
• File all documentation systematically

Remember: The deadline is midnight tonight. Don't wait until the last minute - system delays or technical issues are not accepted as reasonable excuses for late submission.