Nearly 300,000 people filed their Self Assessment tax returns in the first week of the new tax year — the highest number ever recorded during the opening week of filing, according to HM Revenue and Customs (HMRC).
The figures show that 299,419 returns were submitted between 6 and 12 April, almost 10 months ahead of the 31 January 2026 deadline, as more taxpayers opt to file early to get ahead of their financial responsibilities. The figure represents a 28,503 increase compared with the same period five years ago, when 270,916 people filed in the first week of the 2020 tax year.
More than 57,800 people submitted their return on 6 April, despite the day falling on a Sunday this year, suggesting growing awareness of the benefits of early filing. HMRC says early submission gives taxpayers more time to budget for their tax bill, avoid penalties, and even receive refunds more quickly where applicable.
Filing early has practical advantages, particularly for self-employed workers and small business owners. Jade Milbourne, who co-runs a dog grooming salon, said early filing has become a crucial part of her annual routine.
“Filing early means that I have plenty of time to pay my tax bill,” she said. “I set aside money each month, and the flexibility it gives me takes the stress out of the whole process.”
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