Yes, it is possible in the UK. The main advantage is that there is already trust between you. If you prefer to use someone you don't know, you should note that fertility clinics aren't allowed do find someone for you. In such case, you'll need to do your search through a non-profit organisation.
Can a woman become a surrogate for a family member in the UK?
By Sara Salgado (embryologist).
Last Update: 01/16/2018
Degree in Biochemistry and Molecular Biology from the University of the Basque Country (UPV/EHU). Master's Degree in Human Assisted Reproduction from the Complutense University of Madrid (UCM). Certificate of University Expert in Genetic Diagnosis Techniques from the University of Valencia (UV).