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Submitting Self Assessment returns, interest over £10k
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Sarahspangles
Posts: 3,238 Forumite

HMRC may be changing tack (for some) on the requirement to submit a Self Assessment return once interest exceeds £10k. This page (scroll to ‘If you go over your allowance’) now seems to have different arrangements for self-employed and PAYE employees/pensioners. Other gov.uk pages haven’t updated.
https://www.gov.uk/apply-tax-free-interest-on-savings
Discussion here (later posts in thread) https://forums.moneysavingexpert.com/discussion/6594488/pensions-interest-and-tax-code-help-wanted/p2
https://www.gov.uk/apply-tax-free-interest-on-savings
Discussion here (later posts in thread) https://forums.moneysavingexpert.com/discussion/6594488/pensions-interest-and-tax-code-help-wanted/p2
Fashion on the Ration
2024 - 43/66 coupons used, carry forward 23
2025 - 62/89
2024 - 43/66 coupons used, carry forward 23
2025 - 62/89
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Comments
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There was a report from a forumite a few months ago who didn't realise they needed to declare interest over £10k that HMRC dealt with this through a tax code adjustment, contrary to advice on gov.uk at the time. Looks like this is now officially reflected.0
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Sarahspangles said:HMRC may be changing tack (for some) on the requirement to submit a Self Assessment return once interest exceeds £10k. This page (scroll to ‘If you go over your allowance’) now seems to have different arrangements for self-employed and PAYE employees/pensioners. Other gov.uk pages haven’t updated.
https://www.gov.uk/apply-tax-free-interest-on-savings
Discussion here (later posts in thread) https://forums.moneysavingexpert.com/discussion/6594488/pensions-interest-and-tax-code-help-wanted/p2
If you’re self-employedIf you complete a Self Assessment tax return, report any interest earned on savings there.You need to register for Self Assessment if your income from savings and investments is over £10,000. Check if you need to send a tax return if you’re not sure0 -
Dazed_and_C0nfused said:Sarahspangles said:HMRC may be changing tack (for some) on the requirement to submit a Self Assessment return once interest exceeds £10k. This page (scroll to ‘If you go over your allowance’) now seems to have different arrangements for self-employed and PAYE employees/pensioners. Other gov.uk pages haven’t updated.
https://www.gov.uk/apply-tax-free-interest-on-savings
Discussion here (later posts in thread) https://forums.moneysavingexpert.com/discussion/6594488/pensions-interest-and-tax-code-help-wanted/p2
If you’re self-employedIf you complete a Self Assessment tax return, report any interest earned on savings there.You need to register for Self Assessment if your income from savings and investments is over £10,000. Check if you need to send a tax return if you’re not sure
I wanted to flag it simply because so many people on PAYE have mentioned that they’ll need to register for SA, and it’s now unclear if that is the case.Fashion on the Ration
2024 - 43/66 coupons used, carry forward 23
2025 - 62/890 -
This part is possibly new too, as I am fairly sure it previously wanted those not employed and who earned over £10k in interest, to register for self assessment:
If you’re not employed, do not get a pension or do not complete Self Assessment
Your bank or building society will tell HMRC how much interest you received at the end of the year. HMRC will tell you if you need to pay tax and how to pay it.
butterfly )i(0 -
butterflymum said:This part is possibly new too, as I am fairly sure it previously wanted those not employed and who earned over £10k in interest, to register for self assessment:
If you’re not employed, do not get a pension or do not complete Self Assessment
Your bank or building society will tell HMRC how much interest you received at the end of the year. HMRC will tell you if you need to pay tax and how to pay it.
Fashion on the Ration
2024 - 43/66 coupons used, carry forward 23
2025 - 62/890 -
I'd much rather be on self assessment than not. At least I know my figures are correct and now I'm no longer working and have no payment on account to deal with any more, I can choose to pay my bill at a time that suits me best any time before the deadline.2
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I get over 10k in interest, I preempted HMRC by calling and telling them I would earn over 10k.
A few days later a letter arrived stating I need to file a self assessment return.
It’s simple to do and takes 20 minutes max.
Im ready to file again on the 06/04/25, just one more interest payment on the 4th of April to be added.
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