What Morgage Awards
cash Junior ISA
A tax free variable rate account available to all UK resident children aged under 18 who do not have a Child Trust Fund. No withdrawals allowed except in exceptional circumstances.

Account Levels AER % * Gross Rate % p.a. + Net Rate % p.a. #
£1+ 3.05 3.05 Tax Free^

* AER (Annual Equivalent Rate) illustrates what the interest rate would be if interest was paid and compounded once each year. AER’s on the Monthly Income account assume interest is added to the account each month although in practice the option to have interest added in this way is not available.
+ The gross rate is the contractual rate of interest payable before the deduction of income tax.
# After deduction of income tax at 20%.

^Tax free means exempt from UK income and capital gains tax in the hands of the investor.


Minimum Investment
Maximum Investment
£3,840 (increasing to £4,000 from 01/07/14) in the 2014/15 tax year
Interest Frequency
5 April
Additions & Withdrawals
Account can be added to at any time up to the subscription limit. No withdrawals allowed except in exceptional circumstances (speak to us for details).
General information
Interest is calculated on the daily balance and paid and compounded on 5 April.

There are two types of JISA: a cash JISA and a stocks and shares JISA. Please note that The Mansfield Building Society offers a cash JISA only.

A Junior ISA application can only be made by a person aged 16 or over. Where a child is aged 16 or over, either the child or a person with parental responsibility for the child can apply to open the account. Where the child is under 16 only a person with parental responsibility for the child can apply to open the JISA. A person with parental responsibility is defined as the child's natural parent, a person who has legally adopted the child, a person who has been granted parental responsibility by the Courts or a Local Authority that has parental responsibility for a child in its care. An account can still be opened for a child by a person with parental responsibility, even if the child is over 16, and therefore entitled to apply for an account themselves.

Unlike 'adult' ISAs where the investor can open and subscribe to new ISAs in each tax year, a child can only hold up to two JISAs (no more than one of each type) throughout their childhood (although between the ages of 16 and 18 they can hold one of each type of JISA plus an 'adult' cash ISA).

Please note that the amount subscribed is a gift to the child, and as such cannot be repaid to the subscriber if at a later date the subscriber changes their mind.

Before completing an application form please read our cash JISA leaflet and the General Account Terms and Conditions which apply to our savings account, both of which can be found on our Savings Forms and Leaflets page.

Each young saver will receive a free piggy bank upon opening.
Contact Us
Click here to download an application form or call our team on 01623 676350 for further guidance.

  • These account details apply to personal investors only unless stated in the detailed information.

  • All new customers opening a savings account will be required to sign a declaration agreeing to assign any windfall conversion benefits to the Charities Aid Foundation. This assignment will apply for the first 5 years of membership. Existing members with continuous membership prior to the effective date are not affected. Our Charitable Assignment Scheme leaflet provides full details.

Jargon Buster

Our savings accounts are protected by the FSCS. For more information refer to our FSCS important information page or visit the FSCS website.


The Mansfield Building Society, Principal Office, Regent House, Regent Street, Mansfield, Notts, NG18 1SS
Tel: 01623 676300 • Fax: 01623 676356 • Email: enquiries@mansfieldbs.co.uk
Authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority. Reference number 206049. 
Member of the Building Societies Association.