MTD – qualifying income

Making Tax Digital for Income Tax (MTD for IT) will become mandatory in phases from April 2026. If you are self-employed or a landlord and have over £50,000 in qualifying income you need to start
Paying tax arrears using HMRC payment plans

If you are unable to pay your tax bill, it’s important to reach out to HMRC as soon as possible.
HMRC may offer a Time to Pay arrangement, allowing you to settle the debt in manageable instalments
Updating your tax code

It is quite common for tax codes to be wrong, particularly if your income or employment situation has changed, so it is worth taking a few moments to check that HMRC has the correct information about
When you don’t need to make payments on account

If you file a Self-Assessment return you may need to pay your tax in three instalments, so it is useful to know when payments on account apply and when they can be reduced or removed.
The first two
Loss of personal allowance – the £100k ceiling

For the current tax year, taxpayers with adjusted net income between £100,000 and £125,140 will face an effective marginal tax rate of 60%, as their £12,570 tax-free personal allowance is gradually
What is the High Income Child Benefit Charge?

If your income exceeds £60,000 and you or your partner receive Child Benefit, you can now choose to pay the High Income Child Benefit Charge through your PAYE code instead of filing a Self-Assessment
The Marriage Allowance if circumstances change

Married couples and civil partners could save up to £252 a year by transferring part of one partner’s unused personal allowance to the other, but you may need to cancel the claim if your income or
State benefits taxable and non-taxable

Many people rely on state benefits, but it is not always obvious which payments are taxable and which are tax-free.
HMRC’s guidance outlines the following list of the most common state benefits on
Heads up for company directors

As of April 2025, directors of close companies and self-employed taxpayers face new mandatory reporting requirements on their Self-Assessment returns.
Up to 900,000 company directors and 1.2 million
Two important 2025 self-assessment deadlines

Paper tax returns are due 31 October 2025, and new registrants must notify HMRC by 5 October 2025. Act early to avoid penalties.
Firstly, the deadline for submitting paper self-assessment tax returns