Tax Diary July/August 2026

1 July 2026 – Due date for corporation tax due for the year ended 30 September 2025.

6 July 2026 – Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs for 2025-26.

19 July 2026 – Pay Class 1A NICs for 2025-26 (by the 22 July 2026 if paid

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Tax on rental income

If you receive income from renting out property, it is important to understand your tax obligations and the reliefs that may be available. Rental income is generally taxable, although landlords can deduct certain allowable expenses before calculating the amount of tax due.

For individuals, who

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A reminder of the tax rules for online sellers

A reminder that the tax rules for how online platforms report seller information to HMRC changed on 1 January 2024. Digital platforms such as eBay, Vinted and Airbnb are required to collect and verify certain details about users who sell goods or provide services through their sites. This data is

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Allowable expenses for the self-employed

If you are self-employed, claiming all of your allowable business expenses can significantly reduce your tax bill. For example, if your business turnover is £40,000 and you have £10,000 of allowable expenses, you will only pay tax on your taxable profit of £30,000. However, personal spending and

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Pension tax relief and allowances

Pensions remain one of the most tax-efficient ways to save for retirement, due to a range of tax reliefs and allowances that can help boost retirement savings.

One of the key advantages of private pension contributions is the availability of tax relief on pension contributions. Individuals can

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A reminder to consider the Marriage Allowance

Many married couples and civil partners could be missing out on valuable tax savings available by claiming the Marriage Allowance. If your circumstances are suitable, this is a reminder to consider the Marriage Allowance, as a simple claim could reduce your tax bill by up to £252 during the 2026-27

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Companies House publishes its business plan

Companies House has published its business plan for 2026-27, setting out its priorities for the coming year as it continues to implement major reforms aimed at improving the quality of information held on the UK companies register and tackling economic crime.

A key objective is to improve the

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