At What Income Do I Have to Start Paying Tax or File a Return?

At What Income Do I Have to Start Paying Tax or File a Return?
Alan Bermingham

Alan Bermingham

10 Years of Expertise in Fintech Innovation

6 min read

Updated: 20 Mar 2025

6 min read

Updated: 20 Mar 2025

All the Details, Explained

Income tax is a direct tax on personal income from various sources, including employment, pensions, property letting, savings, and investments. It forms a crucial part of the UK tax system, ensuring that individuals and businesses contribute to public services and infrastructure.


Typically, income tax is deducted automatically from wages and pensions through the PAYE (Pay As You Earn) system. However, if you have additional income sources, such as rental income or freelance earnings, you must report this through a Self Assessment tax return. This process involves calculating your total taxable income, determining how much tax you owe, and submitting the necessary paperwork to HMRC.

Income Tax Rates and Bands

Income tax rates and bands are updated annually, and for the 2024-25 tax year, they vary slightly across the UK. In England, Wales, and Northern Ireland, the income tax rates and bands are as follows:

  • Basic rate: 20% on taxable income up to £50,000
  • Higher rate: 40% on taxable income between £50,001 and £150,000
  • Additional rate: 45% on taxable income above £150,000

Scotland has its own set of income tax rates and bands, reflecting its devolved tax powers. These rates are used to calculate the amount of tax owed on your taxable income, with different rates applying to different levels of income. For example, if your total taxable income is £60,000, you would pay 20% on the first £50,000 and 40% on the remaining £10,000. This progressive system ensures that those with higher incomes pay a larger proportion of their earnings in tax.


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Do I need to pay tax on all my income?

Nobody likes paying tax, but most of us have to do it at some point. The good news is that you don't have to pay tax on every pound you earn in the UK thanks to the tax-free allowances available.


The tax system provides everyone with a tax-free amount each year, meaning you can earn a certain amount before HMRC requires their share. This system helps protect lower earners while ensuring those with higher incomes contribute more.


Your specific tax obligations depend on several factors including how much you earn, what types of income you have, and your personal circumstances such as marriage status or disability.

At what income do I have to start paying tax or file a return?

For the 2023/24 tax year, most people can earn up to £12,570 before paying any income tax. This is called your Personal Allowance and forms the foundation of the UK tax system.


Once your earnings exceed this threshold, you'll pay tax only on the amount above £12,570. The UK uses a progressive tiered system where different portions of your income are taxed at different rates rather than your entire income.


For example, you'll pay 20% tax on earnings between £12,571 and £50,270, then 40% on income above £50,270, and 45% on anything over £150,000. This graduated approach ensures tax burdens increase proportionally with income.


These thresholds work differently in Scotland, where there are more tax bands with slightly different rates to reflect Scotland's devolved tax powers.

Do I need to file a tax return even if I'm below the tax threshold?

Not everyone needs to file a tax return, particularly if you're employed and all your tax is handled through PAYE. In such cases, HMRC automatically collects the correct amount through your employer.


However, you'll need to file a tax return if you're self-employed (even if you earned less than £12,570), earned more than £1,000 from self-employment, or have untaxed income over £2,500 from sources like property rental. Additionally, filing is required if your savings or investment income was £10,000 or more.


You must also file if you need to pay the High Income Child Benefit Charge, which applies when you or your partner earn over £50,000. HMRC might request a return for other specific reasons too, and if they do, you must complete it regardless of whether you owe tax.


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How does self-employment change my self assessment tax return situation?

Self-employed individuals operate under different rules than employees. You can earn up to £1,000 from self-employment without telling HMRC thanks to the Trading Allowance, which simplifies matters for those with minimal self-employment income.


If you earn more than £1,000, you'll need to register for Self Assessment and file a tax return. You'll then pay tax on profits above your Personal Allowance, currently £12,570, following the same tax bands as employed individuals.


Remember that you'll also need to pay National Insurance contributions if your profits exceed £12,570 per year. From personal experience, keeping detailed records of all business expenses throughout the year makes completing your tax return much less stressful when the deadline approaches.

When might I need to pay tax despite being below the standard threshold?

Sometimes you might need to pay tax even if you earn less than the standard £12,570 threshold. This could happen if you have a reduced Personal Allowance, which occurs gradually when you earn over £100,000.


You might also need to pay National Insurance contributions, which start at lower income levels than income tax. Other situations include receiving taxable benefits, having tax due from previous years, or claiming certain tax reliefs that affect your allowances.


The rules can be particularly confusing when your income fluctuates or you have several different income sources. In such cases, seeking professional advice can help clarify your position and avoid unexpected tax bills.

How can I check if I need to pay tax?

HMRC provides several online tools to help you work out your tax position. Their tax checker can tell you whether you need to file a return based on your specific circumstances and income sources.


If your situation is straightforward with a single employer, HMRC typically handles most tax through the PAYE system automatically. However, if you have other income or special circumstances, you might need to take additional action to ensure compliance.


When in doubt about your tax obligations, it's always better to check with HMRC directly than risk penalties for missing filing requirements. A quick phone call can often clarify your situation and provide peace of mind.

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What happens if I don't file a return when I should?

Missing tax return deadlines can result in significant financial penalties. HMRC charges automatic penalties starting at £100, even if you don't actually owe any tax, which can catch many people by surprise.


These penalties increase the longer you delay filing, potentially reaching thousands of pounds for very late returns. Additionally, interest charges accrue on any unpaid tax, further increasing the financial burden of non-compliance.


If you're worried you might have missed something, it's worth addressing the situation sooner rather than later. HMRC can be reasonable about genuine mistakes if you come forward voluntarily before they contact you.

Making tax simpler with the right tools

Understanding tax thresholds and filing requirements doesn't have to be overwhelming. The right support makes managing your tax affairs much more straightforward and less time-consuming.


Pie is the UK's first personal tax app designed specifically for working individuals. It helps simplify tax management with integrated bookkeeping, real-time tax calculations, and expert advice available when you need guidance on complex matters.


Unlike traditional tax solutions, Pie offers a complete package that makes self assessment straightforward, even for those new to managing their own taxes. This can be particularly valuable as your income sources diversify.

Final thoughts on tax thresholds

Tax rules change every year, so it's worth checking the latest thresholds each April when the new tax year begins. These regular updates can affect your tax position and filing requirements.


Most people start paying income tax after earning £12,570, but filing requirements depend on your specific situation rather than just this single threshold. Understanding your personal circumstances is key to tax compliance.


When your finances change – such as starting self-employment or acquiring rental property – your tax obligations usually change too. Staying informed about these changes helps you plan effectively.

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