Are you owed a tax rebate? Check your personal tax account
Almost half of British adults have never used their personal tax accounts. But the free online service could help you get a tax rebate.
Could you fall foul of HMRC’s new tax investigation deadlines?
HMRC will soon be able to investigate offshore tax errors up to 12 years after the self-assessment tax return was filed - here's what you need to know
Nine mistakes to avoid on your first self-assessment tax return
From what documents you'll need to tax-allowable expenses, this is everything you need to know about filing a self-assessment tax return
‘Cursed by my mother-in-law’: HMRC reveals the worst excuses for late tax returns
If you file your tax return late, you need a reasonable excuse to avoid a fine. Which? explores some of the strangest excuses HMRC received in 2017.
One in six overpay HMRC due to tax return errors
Errors on tax returns can cause you to overpay your tax bill. Which? explains the most common reason for mistakes and how you can fix them.
Brits overpay income tax by £355 by failing to claim expenses
Find out about tax-deductible expenses for employed and self-employed people, and how much it could cost you if you forget to claim them
Filing your first tax return? Time is running out to get your UTR number
If you don't apply for a UTR number today, you may run out of time to submit your self-assessment tax return without incurring a late fine.
Will this major tax change happen in 2019?
The government's Making Tax Digital plans have come under fire in a new report, recommending they delay the changes. We explain what the changes mean for you.
Just one week until the paper tax-return deadline: here’s what you need to do
We explain how paper tax returns work, the penalties you'll face from HMRC if you're late, and whether you'd be better off filing your return online
Self-assessment deadline: mistakes make quarter of taxpayers overpay
Around 25% of people submitting a tax return have overpaid due to an error. With a week until the tax return deadline, Which? shares our top tax tips.