Links

Anxietyuk.org.uk
B-eat.co.uk
BABCP.com
Bps.org.uk
Depressionalliance.org
Rcpsych.ac.uk
Mind.org.uk
Samaritans.org

NICE (National Institute for Clinical Excellence) guidelines.
NICE have produced several guidelines that highlight cognitive behavioural therapy as an evidence based treatment for children, adolescents and adults.

ADHD
Anxiety
Depression
Depression in children and adolescents
Eating Disorders
Chronic Pain
Obsessive Compulsive Disorder