How Much Is a Private ADHD Assessment? If you want to be able to reduce your waiting times for an ADHD assessment you can do that by paying privately. This is called your Right to Choose, and it is an option that is available to any registered GP in England. https://private-adhd-assessment91110.bloguetechno.com/unexpected-business-strategies-for-business-that-aided-adhd-assessment-uk-private-succeed-64730885