In 2006, Gaving was spotted with Charlotte Church. Charlotte Church is a well known singer and songwriter from Welsh. She is also popular as an actress and a TV presenter. They are having romantic love affairs as a boyfriend and girlfriend and from this love life they have been parents twice. Besides this love life there is no any information about his married life, wife and divorce.
Gavin has been pursuing his professional career since 2000. In the early 2000, he played for Llanelli RFC. He made his debut in May 2000 against Edinburgh Reivers where he scored five points. That was his only game for Llanelli RFC and then he joined Swansea RFC. Within few months he won International Rugby Board's Young Player of the Year award. This achievement also gained his spot in the Welsh national team as he was selected in the national team against Japan in June 2001. In September 2010, he was seen in the TV series 71 Degrees North. He has also starred in several others TV shows. The actual figure about his net worth and salary is unknown.