Della Bosca's ministerial responsibilities were expanded following the 2003 election to include Commerce, Finance, Industrial Relations, Ageing and Disability Services. He was also appointed Leader of the Government in the Legislative Council. Following the 2007 election he was appointed Minister for Education and Training, Minister for Industrial Relations and Minister for the Central Coast. On 4 September 2007 Della Bosca stated "the NSW government strives to keep (TAFE) fees as low as possible". Despite this, he announced that course fees would be increasing by 6.5 per cent to 9 per cent.