Noonan UK
Web: http://www.noonansyndrome.org/nsuk.htm
Noonan UK is a section of The Noonan Syndrome Support Group (TNSSG) an international support group established for over 15 years. They offer support, information, raising of awareness, family conferences, quarterly newsletter, and an online NS community.
See www.noonansyndrome.org/introductions/hello_this_is_michelle.htm for a contribution from someone in the UK with NS.