The Cost of Private ADHD Assessments The public is becoming aware of ADHD because of the celebrity appearances of Sue Perkins and Nadia Sawalha. However, the long NHS waiting times leave certain people in a precarious situation. Some have to pay for private treatment. In the UK it is possible https://telegra.ph/7-Small-Changes-You-Can-Make-Thatll-Make-The-Biggest-Difference-In-Your-Private-ADHD-Assessment-Manchester-03-06