"This formal gesture is then expressed in the interior volumes," says Ong. "Every room has a subtle distinction with its use of materials and levels; each space then has its own sense of individuality, allowing each room to be connected while remaining distinct." Photo 9 of 11 in A Sleek Australian Dwelling Keeps its Cool With Passive Design

A Sleek Australian Dwelling Keeps its Cool With Passive Design

9 of 11

"This formal gesture is then expressed in the interior volumes," says Ong. "Every room has a subtle distinction with its use of materials and levels; each space then has its own sense of individuality, allowing each room to be connected while remaining distinct."