12/10/2026
Self Assessment – Why Leave It Until January?
With the 31st January 2027 Self Assessment deadline approaching, now is a good time to start thinking about your tax return if you haven't already.
Although January may still seem way off, leaving your Self Assessment return until the last minute can create unnecessary pressure, particularly if information is missing or unexpected tax liabilities arise.
Completing your tax return earlier has several advantages:
• Know what you owe – submitting your return early allows you to establish your tax liability well before the payment deadline.
• Plan your finances – knowing how much tax is due gives you more time to budget and prepare for any upcoming payments.
• Identify missing information – preparing your return in advance provides an opportunity to resolve queries and obtain outstanding documents.
• Avoid the January rush – getting everything completed ahead of time reduces the pressure of approaching deadlines.
• Review your tax position – an earlier review can help identify matters that may require attention or consideration for the next tax year.
It's also worth remembering that submitting your tax return early doesn't mean you have to pay your tax immediately. Any tax due by 31st January will generally remain payable on that date, regardless of when your return is submitted.
At Abacus Accountants, we assist individuals, sole traders, landlords and business owners with their Self Assessment obligations, helping ensure returns are prepared accurately and submitted on time.
Whether you have already started gathering your information or haven't yet given your tax return much thought, there's no need to wait until January.
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