EUN2.11 How do unmarried partners qualify for an EEA family permit?
An unmarried partner can be considered for an EEA family permit as an extended family member if they are in a 'durable relationship' with the EEA national and would satisfy similar criteria used for unmarried partners under paragraph 295A of the Immigration Rules, that is, that the that the parties have been living together in a relationship skin to marriage or civil partnership which has subsisted for at least 2 years...
... the ECO will have to consider factors such as the length of cohabitation, joint finances, whether the couple have children together etc. to establish whether or not the relationship is 'durable'. Each case must be looked at on its own merits. ..
Y el EEA1 y el EEA2 creo que lo podeis pedir a la vez.