
Important Tax Deadlines & Events (Updated For 2026)
It is crucial to stay on top of key tax dates to keep your financial affairs in order. Here’s a friendly reminder of the important tax deadlines this year.
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It is crucial to stay on top of key tax dates to keep your financial affairs in order. Here’s a friendly reminder of the important tax deadlines this year.

Discover the suggested reimbursement rates for employees’ private mileage using their company car.

Now is the perfect time to review your finances and make sure you’re making the most of available tax reliefs and allowances.

It is that time of year again for staff parties and annual functions, so it is important to make sure you record it properly.


If you own a business or agricultural land, the last few months have probably felt unsettled. The proposed changes to Inheritance Tax (IHT) reliefs created real concern for many family businesses and farming families who rely on Agricultural Property Relief (APR) and Business Property Relief (BPR) to pass assets down the generations.

If you complete a Self Assessment tax return, you’ve probably been hearing about Making Tax Digital (MTD) for what feels like a long time. The change is now very real, and the first wave of taxpayers will be brought into the regime from 6 April 2026.

Many employees have relied on tax relief for the costs of working from home since the pandemic. However, the rules are changing, and it is worth understanding what this means for you before the next tax year begins.

With the tax and financial year end fast approaching on 5 April 2026, now is the moment to make sure you are not leaving money on the table. A little planning now can make a real difference to your tax position, your cash flow, and your longer-term financial security.

With just 10 weeks or so to go until the new tax year, many businesses are preparing for the changes that Making Tax Digital (MTD) will bring. From April, sole traders and landlords with an income of over £50,000 will need to submit quarterly updates to HMRC

From 6 April 2026, employees will no longer be able to claim a tax deduction for expenses incurred while working from home.

E-invoicing is set to become increasingly important over the coming years, following confirmation from the government that electronic invoicing for VAT will be mandated from 2029.

For some employees, this change may appear to result in paying tax twice on a benefit in the first year. This will usually reflect a transition period, where tax is being paid in real time on current benefits while tax relating to benefits from earlier years is still being settled.

As we move into the new year, it is a good time to review the key tax dates and obligations coming up over the next couple of months.

Making Tax Digital (MTD) for Income Tax Self Assessment is moving closer, with the first group of taxpayers being mandated from 6 April 2026. Further groups will be brought into the regime in April 2027 and April 2028.

Your tax-free personal allowance remains at £12,570 for 2026/27. Once your income goes over £100,000, the allowance starts to reduce, disappearing entirely at £125,140. This remains one of the most punishing parts of the tax system, effectively creating a 60% tax rate in that band.

Two important changes are approaching that will affect many sole traders, landlords and small employers. Neither is optional, and both need a bit of forward planning to avoid stress, penalties or unexpected costs.

HMRC is moving towards a system that is more digital, automated and less forgiving of delays or errors. Good intentions matter less than robust systems.

Employment taxes continue to be an area where small changes can have a big impact if they’re missed. As we move towards 2026/27 and beyond, there are several updates employers should be aware of – some immediate, others on the horizon

For landlords and property-based businesses, tax and regulatory costs continue to rise. Planning now needs to account for longer-term affordability, not just short-term compliance.

Tax around selling assets, passing on wealth and succession planning is becoming less generous and more complex. For business owners, landlords and families, the decisions you make over the next few years could have a lasting tax impact.

Tax relief on business investment remains generous, but it is becoming more nuanced. Understanding which relief applies, when to invest and how expenditure is structured is key to making the most of what is available.

Rachel Reeves has today delivered her Budget, setting out a range of tax, welfare and economic measures that will affect individuals, businesses, and investors across the UK. Please find below our breakdown of the main points announced.

Those on lower wages may benefit from minimum wage increases and frozen transport and prescription costs, while higher earners and investors could face increased tax pressure through threshold freezes and changes

The Autumn Budget 2024 signalled some significant changes on the way for families, landowners and business owners. From 6 April 2026