As the Member of Parliament for Plymouth, Sutton and Devonport Oliver has also been a member on the Select Committee on Northern Ireland Affairs since 2010 and lists his political interests as defence, mental health, pharmacy, social care, renewable energy and fishing. He also has a strong interest in built environment issues in his capacity as Chair of the All-Party Parliamentary Group on Excellence in the Built Environment. Outside of Parliament Oliver is a keen fan of cricket, being a member of the Marylebone Cricket Club (MCC) and Surrey County Cricket Club, but also enjoys rugby and horse racing.