Bought the feature tiles from Hynes the tile people in Hoppers crossing. They have stores nation wide. The tiles are by Realonda ceramics. The tile is called Niagara. Colour is called Antracita. Around $45 per sqm
They are also available at Lifestiles. http://www.lifestileswtc.com.au/
Check out the website, outdoor products, pg 10/11 http://www.lifestileswtc.com.au/tab-outdoor/index.html