Haylett-Petty was born in Durban in the former Province of Natal in South Africa. His family moved to Perth, Western Australia when Haylett-Petty was 10-years-old and attended the Hale School from 2000 to 2007[5] in the suburb of Wembley Downs. He played rugby for the Australia 'A' Schoolboys team in 2007.[6]
Career
Haylett-Petty started out his senior career with the Western Force during the 2008 Super 14 season where he made his début against the Chiefs in Perth. He made a total of 12 appearances spanning three seasons before heading north in 2010 to join French Top 14 side Biarritz. He stayed in France for 3 years, making more than 50 appearances before it was announced that he would head back home to join the Force for the 2014 Super Rugby season.[2][3]
On August 11, 2017, the it was announced that the Western Force would be the Australian team axed from Super Rugby.[7] Subsequently, Haylett-Petty and younger brother Ross officially signed for the Melbourne Rebels on two year deals starting in 2018.[8][9]
Haylett-Petty announced his retirement in November 2021, due to ongoing concussion.[10]