http://www.ukba.homeoffice.gov.uk/eucit … nationals/ вот тут про residence requirements написано
You are said to be exercising Treaty rights if you are:
employed or self-employed; or
studying; or
economically self- sufficient (meaning that you have sufficient funds to support you without requiring public funds); or
a jobseeker; or
retired; or
someone who has had to cease working in the UK owing to permanent incapacity.