Firstly, 21.co.uk would like to say well done for making this brave choice. It is the first step to recovery.
To close your account permanently for Gambling Addiction please contact our Support team who will be able to assist you further with this.
We encourage you to register with GamStop. This is a free service in the UK designed to help people take a break from online gambling by blocking access to gambling websites and apps.
For more information, please refer to this article - Understanding Gamstop and how to use it.
We are here to help every step of the way, and we have a number of suggestions on our dedicated LeoSafePlay page which we strongly encourage you to consider if you feel that you need to.