Lendlease has lodged a planning application for yet another engineered timber office building at Sydney’s Barangaroo South. The seven-storey building proposed has been positioned as the ‘sister building’ of the Tzannes-designed International House Sydney, an office built entirely of cross-laminated timber (CLT) and glue-laminated timber (Glulam). This second building, also designed by Tzannes, would be constructed of the same materials – for instance, concrete, charcoal face bricks and a glass façade. …the structure has been designed in two parts. A two-storey base includes the colonnade and responds to the scale of the public environment, while the unified, upper five-storey form has been expressed as a “clean, simple glazed envelope”. This allows the interior timber elements to be visible from the outside and celebrated as the “hero” of the design.