As a citizen of Norway you are not required to apply for visa to study, work and live in the UK permanently or temporarily.
Anyone from Norway wishing to study in the UK is not required to obtain a Student visa before commencing any course.
An Ancestry visa allows those with a UK-born grandparent to live and work in the UK.
I am not from Norway: UK Family Visa Assessment
UK Citizens and Residents in Norway who require consular services can contact the UK Embassy in Norway through the contact details listed below: