The United Kingdom is the only place in Europe to allow homosexual couples to have a child through surrogacy. That being said, it can only be performed altruistically with a non-binding surrogacy contract. Therefore, the majority decides to travel to a foreign country.
Currently, the USA and Canada are the only countries world wide that provide legal security and guarantees with which homosexual couples and single persons are able to become parents through surrogacy.
Suggested for you: Is Surrogacy Legal in Europe?.