Self Assessment Tax Return Deadline – 100 Days To Go
23rd October 2025
The countdown has begun to file your Self Assessment Tax Return and pay your tax by 31st January 2026 as there are only 100 days remaining to file and pay before deadline.
The deadline for submitting a paper return is just a week away 31st October 2025.
The deadline for submitting an online return is midnight 31st January 2026. You will also need to pay the tax you owe by midnight 31st January 2026. Penalties are usually due for payments that are paid late.
In addition you can submit your online return by 30th December if you want HMRC to automatically collect tax you owe from your wages and pension, as long as all these apply:
- You owe less than £3,000 on your tax bill (you cannot make a part payment to meet this threshold)
- You already pay tax through PAYE, for example you’re an employee or you get a company pension
- You submit your online tax return online by 30 December.
Completing your Self Assessment Tax Return sooner means that you can find out what you owe, and you can work out how to pay between now and the deadline.
Get In Touch
If you need advice or guidance on the matter, please do contact your local Whitings Office today.
Disclaimer - All information in this post was correct at time of writing.
