Flexi ISA functionality allows you to withdraw money from your ISA and reinvest it back into your ISA within the same tax year, without it affecting your ISA allowance.
For example, if you withdrew £10,000 from your ISA, then you would be able to put the £10,000 back into your ISA, in addition to any of your unused £20,000 annual ISA allowance, as long as you do so before the end of the tax year.
If you wish to take advantage of this functionality, then please note that you can withdraw up to a maximum of 95% of the value of your ISA. If you withdraw more than this amount, your ISA may be closed, and it will not be possible to replenish or add any new money to your account.
Please note withdrawals from your ISA take up to 10 working days to clear into your bank account.