Your ISA has changed

What happens to your Junior ISA now you’re 18

When you turn 18, the Junior ISA (JISA) invested for you becomes an adult Individual Savings Account (ISA), known as your CT ISA and you have responsibility for the account.

This will happen automatically so don’t worry – we will take care of it.

What is an ISA?

An ISA is an account that acts as a wrapper to hold savings or investments reducing the tax you might need to pay now, or in the future.

If you live in the UK, each tax year (6 April to 5 April the following year), the Government gives you an annual allowance which is how much can be contributed into ISA(s) in your name.

When you held a Junior ISA, this allowance was £9,000, and the good news is with an adult ISA, this more than doubles to £20,000 per year. You can see other key differences between an ISA and Junior ISA below.

CT Junior ISA
Minimum Investment
£25 per account per month
£100 lump sum
£25 per account per month
£100 lump sum
Annual Account Charge
£25 + VAT
£60 + VAT
Dealing Charge
Postal transactions – £12 dealing charge
Free if done online
Postal transactions – £12 dealing charge
Free if done online
Investment Allowance
£9,000 per tax year
£20,000 per tax year
Friends and family can invest
Investment Options
9 Investment Trusts
9 Investment Trusts

What we need from you?

We’re required to hold the National Insurance Number for ISA investors. To provide us with this, register for our online Investor Portal at You’ll be asked to provide your National Insurance Number when you log in or you can send us a secure message. This is also where you can manage your investment.

Providing proof of your identity

We need you to send us documents to prove your identity and where you live. This is an important step as it ensures we know who you are, and that only you have access to your funds. Until this step is complete, you cannot take money out or add any new investments.

You may also want to send us proof of your bank details. This allows us to make future withdrawals directly into your bank account and/or set up future regular investments from that account.

A list of what documents we can accept can be found in the FAQs below

Starting a Direct Debit

If anyone had an active Direct Debit arrangement for regular contributions or to pay account fees on your Junior ISA, this will have stopped.

If you now want to set up your own Direct Debit to invest monthly or pay fees, you can do this on our investor portal.

If anyone else wants to make contributions, it’s not possible to do this online, but you can do this using an ISA top-up and Third party donor form. Simply complete these and send them to us together by post.

Let's talk about risk

All of our savings plans involve a level of risk and the value of your investments can go down as well as up. The level of risk will depend upon the underlying investments that you choose to hold in the plans. You need to be comfortable that you may not get back the original amount invested. Tax allowances and the benefits of tax-efficient accounts are subject to change and tax treatment depends upon your individual circumstances.

Frequently asked questions

Can I have more than one ISA?
Who can make contributions to my ISA?
How do I make a top-up payment into my account?
What proof of bank/building society details can you accept?
What do you mean by tax-efficient?
What documents can I send in as verification?

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Manage your investments on the go

With our App you can:

– Make changes to your investment choices
– Add cash to invest later, or withdraw cash
– Make lump sum investments

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Information in this section of the Website is directed solely at persons who are located in the UK and can be categorised as retail clients. Nothing on this website is, or is intended to be, an offer, advice, or an invitation, to buy or sell any investments. Please read our full terms and conditions and the relevant Key Information Documents (“KID”) before proceeding further with any investment product referred to on this website. This website is not suitable for everyone, and if you are at all unsure whether an investment product referenced on this website will meet your individual needs, please seek advice before proceeding further with such product.