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Pay Interest on the "Over Tax Free Allowance" or Put the Extra Money into Cash ISA?

MoneyMan01
MoneyMan01 Posts: 230 Forumite
Seventh Anniversary 100 Posts Name Dropper
edited 8 December 2022 at 6:08PM in Savings & investments
I am in the fortuante position of having savings which means I am earning the £1,000 interest per year. 20% tax bracket for work.

£10k in a savings account paying 3% (can't put any more in here otherwise it doesn't get 3%)
Around £21,500 in a savings account paying 2.75%

There is another account which has a small amount, but basically this means it equates to around £900 pear year in interest. I've done that so that I don't go over the £1,000 allowance until I have made a decision.

I have a Flexible Cash ISA which I can withdraw and move around unlimited amount of times, and that has built up to allowing me to deposit around £62,000 into it as I've built it up over the years. That is only paying 1.4% interest however. There is around £25,000 in there. Also got £12k in a HTB ISA with NW and £50,000 in Premium Bonds.

My question is, do I stop putting money into the savings accounts so that I don't pay any interest tax, and put the remaining money into the Cash ISA (which is what it is now) - Or do I put the £25,000 that is in the Cash ISA into the savings account and just pay the interest?

Which would work out better for me?

Thanks in advance.
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Comments

  • eskbanker
    eskbanker Posts: 41,010 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    If you're effectively asking if it's better to earn 1.4% in an ISA or 2.75% taxable, then the latter, with a net return of 2.2%, will be the higher-earning of those two options, but it's a false dichotomy really, in that you could consider transferring the cash ISA to a more competitive one that would change that evaluation....
  • If I transfer that ISA to one paying more, would that mean I then lose the £60,000 allowance I can currently put into it and the freedom to make unlimited withdrawals in it?
  • eskbanker
    eskbanker Posts: 41,010 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    If I transfer that ISA to one paying more, would that mean I then lose the £60,000 allowance I can currently put into it and the freedom to make unlimited withdrawals in it?
    Is there any value in a substantial allowance if you don't have funds to take advantage of it, i.e. if you currently have a boosted £60K allowance then that would all need to be back in the ISA by April or it would be lost?  There are other flexible cash ISAs available though, so I doubt that the best one accepting transfers only pays 1.4%, but haven't done the legwork to find out!
  • AmityNeon
    AmityNeon Posts: 1,085 Forumite
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    If I transfer that ISA to one paying more, would that mean I then lose the £60,000 allowance I can currently put into it and the freedom to make unlimited withdrawals in it?
    Replace the money first before transferring to another flexible ISA, e.g. Virgin Money which pays 3% (equalling your existing best rate but tax-free), though you need their current account first. You could then drip-feed into Regular Savings accounts if you wish.
  • What I do is I always transfer the money back into the Cash ISA before the next financial tax year so I keep the allowance.

    I know the rates are low at the moment, but I don't have crystal ball. I do it just in case in the event rates do go up, I've got that wrapper there if needed.

    I'll have to look into the other Flex Cash ISA's to see if I can make unlimited withdrawals, but if one pays 3% then that is like you say a no brainer.

    If I were to drip feed into regular savings accounts, that will still count towards getting taxed though.

    I'm at £900 now so I'm hesitant to go above that.

    So that I can work it out on my own, what is the sum I should be doing to work out what would be best?

    I did this:

    If I earnt £1,600 in interest, minus 20% (£1,280 total).

    1.4% of £25,000 in the Cash ISA means I get £350 interest tax free. So if I stopped my interest at £1,000, plus the £350, that would mean I am better off leaving it in the Cash ISA?

    Being completely honest, I am struggling to work out what the sum should be so I can figure it out.

    Should I be dividing something by 0.8% to work out the 20% tax that would be added?
  • Dazed_and_C0nfused
    Dazed_and_C0nfused Posts: 19,416 Forumite
    10,000 Posts Sixth Anniversary Name Dropper
    edited 8 December 2022 at 7:34PM
    If you are a basic rate payer who pays basic rate tax on at least £5,000 of your earnings/pension income then the first £1,000 of any taxable interest will be taxed at 0%.

    Anything above that will be taxed at 20% (unless you stray into higher rate territory).

    So £1,600 would be taxed,

    £1,000 x 0% = £0
    £600 x 20% = £120

    Total tax = £120

    For simplicity (given the existing £900 you expect to get in taxable interest) then it's as simple as @eskbanker explained.

    You just need your non ISA rate to be 25% more than your ISA rate for it to be worthwhile.

    If ISA is say 3.00% then the non ISA needs to be 3.75% (3.00 + 25%) to at least equal it after accounting for tax.

  • AmityNeon
    AmityNeon Posts: 1,085 Forumite
    1,000 Posts Third Anniversary Photogenic Name Dropper
    I'll have to look into the other Flex Cash ISA's to see if I can make unlimited withdrawals, but if one pays 3% then that is like you say a no brainer.

    If I were to drip feed into regular savings accounts, that will still count towards getting taxed though.

    I'm at £900 now so I'm hesitant to go above that.
    You would not be at £900 because you'd be transferring it all (£10,000 + £21,500) into the 3% flexible ISA, so all interest arising would be non-taxable. The regular savers would generate taxable income yes, potentially over your Personal Savings Allowance if you took advantage of all the top offers (4%+), but your overall net interest would still be more than if you kept your savings just in the ISA.
  • Qyburn
    Qyburn Posts: 4,211 Forumite
    Fifth Anniversary 1,000 Posts Name Dropper
    AmityNeon said:
    If I transfer that ISA to one paying more, would that mean I then lose the £60,000 allowance I can currently put into it and the freedom to make unlimited withdrawals in it?
    Replace the money first before transferring to another flexible ISA, e.g. Virgin Money which pays 3% (equalling your existing best rate but tax-free), though you need their current account first. You could then drip-feed into Regular Savings accounts if you wish.
    Virgin current account and ISA can be opened almost at the same time.  Either same day, or next day, I can't remember. But it was only two or three days from start to my transfer from Paragon completing.
  • MoneyMan01
    MoneyMan01 Posts: 230 Forumite
    Seventh Anniversary 100 Posts Name Dropper
    edited 8 December 2022 at 9:14PM
    Thank you for the info all.

    So just so I am clear, I should do whatever the rate is of the Cash ISA (in my case 1.4% at the moment), and then + 25% to it? Why would that be +25% and not +20% (what the tax on it would be)?
  • It's 25% when you start with the net amount.

    20% if you start with the gross.

    1.4% + 25% = 1.75%
    1.75% - 20% = 1.4%

    1.4% + 20% = 1.68%
    1.68% - 20% = 1.344%
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