profit from these saving and funding accounts.
For a very good variety of years ISAs have been the perfect locations to place your financial savings. After which they weren’t! However with respectable financial savings charges and modifications to tax free allowances on investments, they’re nicely value a glance once more.
And that’s prompted numerous questions over in our Facebook community, notably in regards to the annual allowances. So right here’s every thing it is advisable to know in regards to the limits on how a lot it can save you.
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What’s the ISA allowance?
The ISA allowance is probably the most you’ll be able to add into a number of ISAs every year.
How a lot is the ISA allowance?
The ISA allowance was simply £7,000 when the accounts launched in 1999, however over time they elevated. First in 2010 to £10,200, then steadily to the present degree of £20,000, which was set in 2017.
2024/25 ISA allowance:
The allowance was £20,000 in 2024/25.
2025/26 allowance:
As soon as once more, the £20,000 ISA is staying the identical for the brand new tax yr.
May the ISA allowance change?
It’s unlikely to extend, with the whole £20,000 cap anticipated to stay in place till 2029/30.
However there have been loads of rumours in early 2025 in regards to the £20,000 restrict altering. One in every of these is that Labour would possibly reduce the allowance of the Cash ISA to £4,000 a yr to encourage extra individuals to take a position.
And whereas nothing was introduced concerning ISAs in March’s Spring Assertion, Rachel Reeves has confirmed modifications are on the agenda. So we may hear extra within the Price range subsequent autumn, and probably modifications from the subsequent monetary yr.
Initially of January, we additionally noticed the Treasury Committee launch a public enquiry into Lifetime ISAs to determine whether or not the account, which was launched 9 years in the past to interchange Assist to Purchase ISAs, remains to be match for objective. We’ve but to listen to something on this but, however we’ll preserve you up to date after we do.



What are the completely different ISAs?
ISA stands for Particular person Financial savings Account. It’s principally only a kind of account the place it can save you or make investments your cash however the curiosity you earn from financial savings or positive aspects and dividends paid by investments are all tax-free.
There are 4 most important forms of ISA, and the annual allowance covers all of those collectively:
- Money ISA
- Shares & Shares ISA
- Lifetime ISA (both Money or Shares & Shares, however restricted to £4,000 a yr)
- Modern Finance ISA
There’s additionally a separate ISA only for below 18s, which has it’s personal separate, however decrease, annual allowance
You possibly can examine the differences between these different ISAs in our information, together with details about Versatile ISAs – which may apply to some Money, Shares & Shares and Modern Finance ISAs.
Can I put £20,000 right into a Money ISA and one other £20,000 right into a Shares & Shares ISA?
That £20,000 is throughout all of your ISAs mixed. So it could possibly all go right into a single ISA, or it may be break up throughout the various kinds of ISA – Money, Shares & Shares, Lifetime or Modern Finance.
So for instance in the event you needed to pay into each a Money ISA and a Shares & Shares ISA in the identical yr, you’d have to be sure to don’t go over £20,000 in complete. The way you break up it’s as much as you.
Does a Lifetime ISA depend in the direction of the ISA allowance?
The Lifetime ISA has it’s personal £4,000 annual cap. Nevertheless that’s throughout the general £20,000 ISA restrict. Which means in the event you put the total quantity right into a LISA, you’d have a cap of £16,000 to pay into another varieties.
What’s the Junior ISA allowance?
The Junior ISA annual allowance for 2025/26 is £9,000 a yr. That is utterly separate to the primary ISA allowance.
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When does an ISA allowance reset?
The ISA yr is similar because the tax yr, which runs from 6 April to five April the next yr. So that you get a model new allowance to make use of when that yr restarts.
Which means you might probably put £20,000 into an ISA within the first week of April, and one other £20,000 in every week later. However in the event you put £20,000 in on April 6, you’d want to attend a full yr earlier than you’ll be able to add more cash to your ISA.
Be careful for although for deadlines set by particular person banks and funding corporations who would possibly require deposits and transfers to be within the account by late March.
What occurs to an ISA allowance after a yr?
Although the ISA allowance is for a yr, it doesn’t imply your money is barely tax-free each 6 April. Cash already put into an ISA retains it’s tax-free standing yr after yr.
Is the ISA allowance just for new ISAs?
No it’s not. You don’t must open up a brand new ISA to make the most of every year’s ISA allowance – however you’ll be able to if you need.
New guidelines launched in April 2024 imply you can open up as many alternative ISAs as you want every year and break up your allowance amongst them and your outdated ISAs. Earlier than this you might solely open one new ISA of every kind every tax yr and pay into one ISA of the identical kind throughout that point.
The exception to those new guidelines is the Lifetime ISA – you’ll be able to solely pay into one every tax yr.
When deciding whether or not you need to use a brand new or present ISA notably Money ones, it’s nicely value comparing the interest rates available. Generally the higher charges are for model new accounts.
What occurs to your allowance when your ISA matures?
In case you’ve put your cash into a hard and fast charge Money ISA, this might imply your cash is locked away for something from one to seven years. But it surely’s nonetheless the case that the curiosity or positive aspects are shielded from tax even when the ISA matures.
What is going to occur is the cash will possible be moved to an account with a a lot decrease charge, nevertheless it’ll nonetheless be an ISA. If you wish to get a greater charge (that’s nonetheless tax free) you’ll be able to switch it over to a brand new ISA. Simply don’t withdraw it as you’ll lose the tax defend in the event you do!
Does transferring an ISA use my allowance?
No, it doesn’t. Although there’s the restrict of £20,000 that may be added to an ISA every year, that is only for new contributions. When you’ve got cash in different ISAs from earlier years you’ll be able to switch them over into new ISAs (by way of a switch course of) with out it affecting the present yr’s allowance.
So for instance, when you’ve got £15,000 in a single ISA from final yr, and £15,000 in a brand new ISA you opened and paid into this yr, you’ll be able to select to switch all or a part of the outdated ISA over (maybe for a greater charge) and nonetheless be capable of add in £5,000 extra to the brand new ISA this yr.
You don’t even have to switch the outdated ISA money into your new ISA. You possibly can open a model new separate ISA and switch into that – simply ensure to not add in any new money to this extra ISA. You additionally have to examine the brand new ISA you open accepts ISA transfers.
A fast warning. In case you as a substitute withdrew the £15,000 out of your outdated ISA to a regular financial savings account, you’d solely be capable of add the additional £5,000 to your ISA for the present monetary yr, until your ISA is versatile.
What occurs in the event you don’t use your ISA allowance?
You’ll lose it in the event you don’t use it. As soon as the brand new monetary yr comes round and the allowance resets, the earlier allowance ends for brand new deposits. Which means you’ll be able to’t carry over any unused allowance to place extra cash within the following yr.
What occurs in the event you go over your ISA allowance?
It’s really fairly straightforward to overpay into your ISA and the excellent news is it may be simply rectified.
In case you pay greater than £20,000 right into a single or combine of various ISA varieties in a monetary yr it’s greatest to talk to your supplier and the surplus will possible be returned to you. However you received’t obtain any curiosity or positive aspects made (if any) if that occurs.
If it’s not noticed – maybe it’s throughout each a Money and Shares ISA, it’ll be all the way down to HMRC to identify. They’ll let you realize what to do and probably declare any cash due again from you (reminiscent of tax on among the curiosity earned).
You’ll want to be sure to don’t withdraw the money manually in the event you realise you’ve made this error – contact HMRC on its ISA helpline 0300 200 3300.
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Can I put £20,000 in an ISA yearly?
Yep, and in the event you can afford so as to add the total quantity frequently it’s not a foul thought to take action. With such giant quantities of money in financial savings or investments outdoors of an ISA, you’re prone to be paying tax on a fair chunk of your money. So placing the utmost in an ISA may assist scale back this.
Plus, guidelines may change. Proper now there’s the PSA on savings and numerous allowances on investing, however they may very well be decreased or scrapped, which we saw on investing allowances last year. If issues do change, it means the returns on extra your cash outdoors of an ISA can be taxable.
So transferring it into ISAs may very well be prudent as the long run curiosity and positive aspects will keep tax-free. In fact there’s no assure ISA guidelines received’t change too, and we all know it’s on the Authorities’s agenda proper now, but when they do it’d hopefully simply be to new relatively than present contributions.
How a lot can you place in an ISA?
Although there’s the annual £20,000 restrict, you’ll be able to preserve paying into present or new ISAs every year. So if somebody began with the total £20,000 at 18, and repeated this every year for 50 years, they’d have £1 million saved up – and that’s earlier than the curiosity or progress that can have been compounding over the identical interval!
In case you are including tons to the identical ISA yr after yr do examine that your ISA itself doesn’t have its personal cap on how a lot you’ll be able to put in.
What occurs if I’ve greater than £85,000 in an ISA?
Although you’ll be able to solely save £20,000 in a yr you’ll be able to constructed up bigger quantities over time. Cash in Money ISAs is protected by the Monetary Companies Compensation Scheme (generally known as FSCS) as much as a complete of £85,000 (£170,00 for joint accounts) per monetary establishment (extra on how FSCS works right here).
In case you go above this and the supplier goes below, you’ll lose the surplus money. So in the event you do have extra it is sensible to switch among the cash into an ISA at a distinct financial institution or constructing society.
Don’t neglect to additionally examine statements to see if curiosity funds take you over the restrict!