UK Tax Year Dates and Tax Returns Deadlines 2025 2026

This deadline applies to taxpayers who are required to submit a physical copy of their return. The deadline for submitting a paper tax return is October 31st immediately following the end of the tax year. Find out the exact date the UK tax year ends and why April 5th is crucial for your taxes, filing deadlines, and annual allowances. This date is for the self-employed to make their second payment in advance towards their tax bill for the year. The deadline for when you’re required to submit your P46 depends on when you provided the company car, stopped, or changed the company car.

Continual review throughout the year ensures your planning remains aligned with changing rules and personal financial goals. Treat the weeks leading up to 5 April as a financial checkpoint to prepare for the new cycle with clarity. It also supports long-term planning toward pensions, investments, and overall financial stability.

Company Accounts Late Filing Penalties

• When issuing dividends, it’s important to make sure that your accounting records are up to date, so that you only issue dividends from company profits after Corporation Tax has been accounted for.
• Most households who pay for energy will see bills rise by 0.2%.
• 2 November – P46(car) – company car changes in the period 6/7 – 5/10.
• For PAYE (Pay As You Earn) taxes, employers are mandated to report information on payments and deductions made to employees throughout the year.
• It’s about being organised and making sure you’re not leaving money on the table.
• Those facing an inheritance tax (IHT) bill will be able to pay it in equal annual instalments over 10 years, with no interest charged.

Creating a structured process helps remove the last-minute pressure that often builds around the UK end of the tax year. For example, if rates are forecast to increase from 6 April, individuals may choose to accelerate contributions or crystallise gains before the UK end of the tax year. Tax regulation evolves each year, and changes to thresholds, allowances and rates can shift the optimal timing for contributions or disposals.

What is the significance of income tax weeks in the UK?

This setup ensures that the right amount of tax is taken from your wages and that everything is handled fairly and consistently. The UK tax year ends on April 5 of the following year. The UK tax year starts on April 6 each year.

Missing tax deadlines or deliberately giving inaccurate information can have direct financial consequences for businesses. Most businesses use quarterly VAT periods, but monthly returns may also be allowed.3  (external link) Keeping track of tax dates can enable more accurate financial forecasting, allowing businesses to allocate sufficient funds in advance. From VAT returns to PAYE submissions, Corporation Tax to Self-Assessment deadlines, understanding when and what you need to file can be key to avoiding penalties and staying on top of your tax requirements.

ERS schemes are a method of transferring shares to employees of the company (including directors). The deadline for this form to be submitted to HMRC is the 6th of July. But, if your business has other employees on the books, you’ll be required to issue their P60.

Also known as the fiscal year, this is the period during which any calculations, assessments and financial reporting will be based. But your deadlines for tax, VAT, PAYE, National Insurance and corporation tax can’t be overlooked. When you’re hard at work running your own business, there’s always something critical and urgent to deal with. PAYE employees with just salary income usually don’t need to file. You must also pay any tax owed by 31 January 2026. New tax rates and allowances come into effect

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Employers are expected to file employer annual returns online no later than April 19th following the end of the tax year. Employers are responsible for providing employees with an annual statement of earnings and deductions as well as making payments towards apprenticeship levy if applicable. Employers in the United Kingdom should be conscious of payroll tax dates to ensure compliance with HMRC regulations. For example, if your company’s financial year starts on 1st April, you need to file by 31st March the following year.

The payment deadline is earlier than the final date for submitting your Company Tax Return! Your company’s Corporation Tax bill must be paid within 9 months and 1 day of the company’s financial year end. Use our interactive calendar to stay on top of the key tax year dates which affect your business. April 5th represents the final opportunity to utilize annual tax allowances before they reset for the new fiscal period. Corporation Tax is instead assessed based on a company’s own financial accounting period. Further penalties accrue over time, including a penalty of 5% of the tax unpaid after 30 days, 6 months, and 12 months.

Inflation increases for smaller tax allowances

Self Assessment is the system used by the self-employed, those with significant investment income, and individuals with complex tax affairs. It determines the cutoff for all income and gains that fall within that specific tax year. The period’s conclusion dictates several high-stakes financial planning and compliance actions.

• For example, for the tax year ending on 5th April 2021, you must submit your online form by midnight on 31st January 2022.
• 5 April – P46(car) electronic submissions – company car changes in the period 6/1 – 5/4.
• ISAs, short for individual savings account provide you with the chance to save a specific amount of money annually without being taxed.
• It might feel a bit stressful to get everything sorted, especially when you’re busy.
• The deadline for submitting a paper tax return is October 31st immediately following the end of the tax year.
• Join more than 500,000 UK readers and get the best business admin strategies and tactics, as well as actionable advice to help your company thrive, in your inbox every month.
• A tax year starts 6th April, and ends the following 5th April.

Currently, MTD applies to VAT-registered businesses, but it will expand to other taxes in the future. Set reminders for important dates and start organising your financial records today. Filing on time not only keeps you compliant but also gives you peace of mind knowing your tax obligations are in order.

Then the member must notify the scheme within 3 months of receiving the pension savings statement. Our UK-accredited accountants make filing quick and stress-free, starting from just £119. The UK tax year for individuals starts and ends in April. Please note that the Financial Conduct Authority (FCA) does not regulate cash flow planning, estate planning, tax or trust advice. Investment Champion Online Limited is an Appointed Representative of The Private Office Limited, which is authorised and regulated by the FCA.

When is the Self-Assessment deadline for 2025-2026?

The financial year-end date UK businesses use is 31 March for corporation tax and government accounting. Each action taken before 5 April can shift the total liability shown in the subsequent year-end tax return. This is the most important UK tax deadline for self-employed individuals and businesses.

Last day for submitting a real time information employer payment summary to apply to tax month. Missing these deadlines can result in interest charges and penalties, so it’s essential to plan ahead and ensure your payments are made on time. 31st July – The second payment on account deadline for those who are required to make advance payments towards their next tax bill. A self-assessment tax return is for people and businesses with other income which is not automatically taxed. The tax year end is a crucial date for all taxpayers to consider as it is the deadline for a variety of tax-related relief, payments and activities.

Missing the filing deadline can lead to penalties, even if no tax is due. For example, if the accounting period ends on 31st March 2025, the filing deadline end of uk tax year is 31st March 2026. The accounting period begins when the company starts trading or its incorporation date and usually runs for 12 months.