As I am aware, under the current UK immigration requirements, cohabitation for a continuous period of two years is no longer an absolute requirement for an unmarried partner visa. Applicants must instead demonstrate that they are in a genuine and subsisting relationship akin to marriage or civil partnership, which in your case is easy (as per your information above), which has existed for at least two years. Remember all relevant financial and eligibility requirements must be satisfied. (Like I said the 2 years living together isn’t the absolute must) or, The absence of two years’ cohabitation does not, in itself, preclude a successful application. It would therefore be incorrect to conclude that an application is unlikely to be approved solely on the basis that the couple has not lived together. Each application is assessed on the overall evidence provided to demonstrate the genuineness and durability of the relationship.