A personal tax return is how you tell HMRC about income, gains and tax that may not already have been dealt with through PAYE or other deductions. If you are self-employed, receive rental income, take dividends, sell assets or have more complex tax affairs, you may need to complete a Self Assessment tax return.
This episode helps you understand who may need to file a personal tax return in the UK, what information goes into it, the key tax return dates, and what to do if you cannot pay your tax bill on time. We also explain why HMRC accepting your return does not automatically mean they agree with everything in it.
About this episode
Every year, HMRC asks taxpayers to report what has happened during the tax year. The UK personal tax system uses Self Assessment, which means you tell HMRC what your income and gains were, calculate the tax position, and pay what is due.
In this episode, we look at four practical areas: who needs to complete a personal tax return, what goes into the return, the key dates to remember, and what to do if you have tax to pay but do not have the money ready.
If you are self-employed and want a wider foundation first, our episode on Tax basics for self employed: What You Need to Know is a useful starting point.
Why personal tax returns matter
Personal tax returns matter because they put responsibility on your shoulders. If income has not already been taxed before it reaches you, HMRC may expect you to report it and pay the right amount by the deadline.
Filing a return is not just form filling. The numbers need to go in the right place, the return must include the right income and gains, and you need to keep records to support what you submit.
Late filing, late payment or missing information can lead to penalties, interest and unnecessary stress. That is why it pays to understand the process before the deadline arrives.
Key points from this episode
What is a personal tax return?
A personal tax return is the document used to report your income, gains, allowances and tax position for a UK tax year.
The system is called Self Assessment because you are telling HMRC what has happened and calculating what tax is owed or what refund may be due.
HMRC accepting the return does not automatically mean they agree with it. They may still check it later, so it is important to keep accurate records and submit the right information.
How the UK tax year works
The UK tax year for individuals runs from 6 April to the following 5 April. That means your personal tax return does not normally follow the calendar year.
The episode also touches on the historical reasons behind that date pattern, including the move from the Julian calendar to the Gregorian calendar.
For practical purposes, the key point is simple: your income and gains need to be matched to the correct tax year.
Who may need to complete a personal tax return?
You may need to complete a personal tax return if you have income or gains that HMRC needs you to report through Self Assessment.
This can include self-employment income, rental income, dividends, income from savings or investments, partnership income, foreign income, capital gains, or situations where you need to claim certain reliefs or report specific tax charges.
If you are a company director or shareholder, your position may also need checking, especially where you receive dividends, benefits or other income outside normal payroll.
For more on how business structure affects tax, listen to Tax and Your Self-Employed Business: Sole Trader or Limited Company?.
What goes into a personal tax return?
Your tax return includes details of your income. That can include employment income, self-employment income, rental income, pensions, savings income, dividends and other taxable income.
It can also include capital gains, such as gains from selling shares, land, investment property, works of art or other chargeable assets.
The return has a core section and supplementary pages. The supplementary pages depend on the type of income or gains you have.
Useful information to gather
- Your Unique Taxpayer Reference, if you are already registered.
- Employment income and tax deducted.
- Self-employment income and business expenses.
- Rental income and property costs.
- Pension income and pension contributions.
- Savings interest and dividend income.
- Gift Aid donations.
- Capital gains information.
- Foreign income, where relevant.
- Details of benefits, reliefs or claims that may affect your tax.
Key personal tax return dates
If you need to register for Self Assessment, the usual deadline is 5 October after the end of the tax year you need to report.
Paper tax returns usually need to be filed by 31 October. Online tax returns usually need to be filed by 31 January, and tax owed is also normally due by 31 January.
If you want HMRC to collect eligible tax through your PAYE tax code, there is usually an earlier 30 December deadline. Always check the current year’s rules before relying on a date.
Payments on account
Payments on account can catch people by surprise. If your tax bill is above the relevant threshold, HMRC may ask you to pay towards the next tax year as well as settling the tax already due.
That can make the January payment feel larger than expected. You may have a balancing payment for the previous tax year and a first payment on account for the next one.
Our episode on Payments on Account Explained: What They Are, When to Pay and How to Reduce Them goes into this in more detail.
What if you cannot pay your tax bill?
If you cannot pay your tax bill, do not ignore it. The worst option is to behave like an ostrich, hide under the duvet and hope the problem disappears.
Make sure the tax return is filed. Once HMRC knows the position, you may be able to speak to them about payment options, including a Time to Pay arrangement.
There may still be interest, and penalties can apply if deadlines are missed. However, dealing with the issue early is usually better than waiting until HMRC starts chasing.
If penalties become an issue, our episode on HMRC Reasonable Excuse: How to Appeal a Tax Penalty Successfully explains what to consider when appealing a tax penalty.
How to avoid tax return stress
One of the simplest ways to avoid stress is to complete your tax return early. Filing early does not usually mean paying early, but it gives you time to understand what you owe and plan your cash flow.
If you are self-employed, get into the habit of putting money aside when you invoice customers or receive payment. A separate account can help you build up money for tax before the deadline arrives.
Good records, early estimates and regular saving can turn tax return season from a panic into a planned part of your year.
FAQs about personal tax returns
What is a personal tax return?
A personal tax return is used to report income, gains, tax reliefs and tax due to HMRC through the Self Assessment system.
Who needs to complete a personal tax return?
You may need one if you are self-employed, have rental income, partnership income, untaxed income, dividends, capital gains, foreign income or certain tax charges to report.
When is the personal tax return deadline?
Online tax returns are normally due by 31 January after the end of the tax year. Paper returns usually have an earlier 31 October deadline.
What should I do if I cannot pay my Self Assessment tax?
File the return first, then contact HMRC as early as possible to discuss payment options. Ignoring the bill can lead to interest, penalties and more stress.
Episode Timecodes
- 00:00 – Introduction to personal tax returns
- 00:28 – Nearly 12 million people may need to file
- 00:48 – Personal tax returns in the UK
- 01:16 – Self Assessment and HMRC checks
- 01:59 – The UK tax year and why it runs from April to April
- 02:24 – Income and capital gains on a tax return
- 04:06 – The four areas covered in the episode
- 04:59 – Who needs to complete a tax return?
- 05:21 – Higher-rate employees, directors and untaxed income
- 05:53 – Child Benefit, losses and tax claims
- 07:16 – What goes into a tax return?
- 07:38 – Core return and supplementary pages
- 08:00 – Unique Taxpayer Reference and personal details
- 08:27 – Savings, pensions and Gift Aid
- 08:52 – Employment, self-employment and property pages
- 09:44 – Partnerships, overseas income and capital gains
- 10:56 – Registration and filing dates
- 11:45 – Online deadline, penalties and PAYE coding
- 12:13 – Payment deadline and payments on account
- 13:41 – What to do if you cannot pay
- 14:40 – Saving ahead for your tax bill
- 15:01 – Final wrap-up
Related episodes
- Payments on Account Explained: What They Are, When to Pay and How to Reduce Them
- Tax basics for self employed: What You Need to Know
- High Income Child Benefit Charge: Who Pays and How to Reduce It
Key takeaway
A personal tax return is not just an annual admin job. It is how you report income, gains and tax information to HMRC, and it gives you the chance to understand what you owe before the deadline arrives.
Check whether you need to file, gather your records, understand the dates, save towards your tax and deal with payment problems early. Do not wait until the last minute and do not hide from the numbers.
Plan it, Do it, Profit.
“Your tax return is easier to deal with when you understand what goes into it, when it is due and what the numbers are telling you.”
Further Support
The I Hate Numbers podcast helps business owners understand accounting, tax, finance, profit, cash flow, and business planning in a practical way. We simplify financial topics so you can make better decisions and feel more confident with your numbers.
You can also watch more practical finance and tax support on the I Hate Numbers YouTube channel, or listen and follow on Apple Podcasts.
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