In November 2012, he sued the Government of Western Australia for A$1 billion regarding a delay in construction on Cockburn Sound. Premier Colin Barnett counselled him to drop the lawsuit. Buckeridge also sued about a delay in the construction of the Perth Arena.
He lived in the Mosman Park neighbourhood of Perth. As of January 2013, he was worth an estimated US$1.4 billion. He died of a heart attack at his home on 11 March 2014, aged 77 years.
His estate was being contested in 2016, due to various family members going to the Western Australian supreme court by 22 parties in three separate proceedings