 Houvenaghel had her most successful road campaign in 2012 winning her 4th British National Time Trial title as well as winning the Celtic Chrono and Chrono Champenois International Time Trials.Her performances on the road warranted her selection to compete at the Road World Championships in the Netherlands.Houvenaghel announced her retirement from the sport on the eve of the 2014 Commonwealth Games after sustaining a back injury in training, forcing her to withdraw from the competition.