Hello Useraccounts25,
Welcome to the Community page,
Thanks for this feedback, we will pass it on to our develops, and it maybe something that comes in the future, sorry you have to leave us as we don't currently support it. The number for the cancellations team is 0808 234 5337, then select options 1>options 3>options 2 and they will cancel your account for you there, it is open (Monday -Friday 9am-5pm and it is free from UK mobile and landlines).