Millions of people across the UK are required to complete an annual self-assessment tax return, a process that can seem daunting for those new to it. Money Saving Expert (MSE) has recently published a comprehensive guide aimed at beginners, demystifying the obligations and procedures surrounding self-assessment.
The guidance highlights that around 12 million individuals in the UK fall under the self-assessment regime. This includes a broad spectrum of people, from the self-employed and company directors to those earning significant rental income or receiving untaxed income from various sources. A common trigger for needing to complete a return is having an annual income exceeding £100,000, even if employed.
Key deadlines are central to the self-assessment process. New registrants must notify HMRC of their need to file a tax return by 5th October following the end of the relevant tax year. For example, for the tax year ending 5th April 2024, registration is due by 5th October 2024. The filing deadline for online returns is 31st January, while paper returns must be submitted by 31st October.
Failure to meet these deadlines can result in penalties. A late filing penalty of £100 is automatically applied if a return is submitted after 31st January, even if no tax is owed. Further penalties accrue for continued delays, and interest is charged on unpaid tax. MSE's advice stresses the importance of early preparation to avoid these financial repercussions and ensure accurate reporting of income and expenses.
The guide also provides clarity on what income needs to be declared, including earnings from side hustles, dividends, and certain benefits. It encourages taxpayers to keep meticulous records throughout the year to simplify the process of completing their return. Understanding these requirements is crucial for ensuring compliance with HMRC and avoiding potential issues.