As a citizen of Malta you are not required to apply for visa to study, work and live in the UK permanently or temporarily.
Anyone from Malta 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 Malta: UK Family Visa Assessment
UK Citizens and Residents in Malta who require consular services can contact the UK Embassy in Malta through the contact details listed below: