Deadline for paper Self Assessment returns for 2024/25 tax year
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Prefer paper to pixels? Your Self Assessment return in paper form is due by midnight. Let’s get those forms filled, folks!
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31
Oct
2025
Deadline for postal submission of Self Assessment
The "Deadline for postal submission of Self Assessment" is a crucial date in the United Kingdom for individuals to complete and send their Self Assessment tax returns by mail. Self Assessment is a system implemented by HM Revenue and Customs (HMRC) to gather income tax information from individuals who have additional sources of income or specific tax obligations beyond their regular employment. To ensure compliance, taxpayers must adhere to the prescribed deadline for mailing their tax returns to HMRC. Failure to meet this deadline may result in penalties or late filing fees. It's important to note that the specific date for the deadline may vary each year, so it's advisable to consult the latest HMRC guidelines or official resources to ascertain the exact deadline for a given tax year.
2
Nov
2025
Deadline for submitting a P46 (Car)
The "Deadline for submitting a P46 (Car)" is the final date by which individuals or employers in the United Kingdom must submit the P46 (Car) form to HM Revenue and Customs (HMRC). The P46 (Car) form is used to report changes or updates related to company-provided cars and their associated tax implications. This includes situations such as when an employee starts using a company car, changes their car, or stops using a company car. Timely submission of the P46 (Car) form ensures compliance with HMRC regulations and helps ensure accurate tax calculations for both employers and employees. It is important to note that the specific deadline for submitting the P46 (Car) form may vary, so individuals and employers should consult the latest HMRC guidelines or official resources to determine the exact date for a particular tax year or reporting period.
30
Dec
2025
Self Assessment Return
Get your online Self Assessment in by today to keep things smooth with HMRC.
31
Dec
2025
Deadline for filing annual accounts for accounting year end of 31 March
Deadline for filing your company’s annual accounts for accounting year end of 31 March
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