In 2012, he was appointed the head coach of Hull Kingston Rovers. On 3 July 2014 he was released by Hull KR.[5]
On 8 September 2014, it was announced that Sandercock would be returning to the Newcastle Knights as assistant coach to newly appointed head coach Rick Stone.[6]
After a year with the Knights, Sandercock joined the Wests Tigers for 2016 as an assistant coach to head coach Jason Taylor.[7]