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2017 National Architecture Awards: Sustainable Architecture Award

88 Angel St by Steele Associates Architects Sustainable Architecture: National Award Australian Institute of Architects

Jury citation

The notion that we should replace the native vegetation lost by building is an important sustainability initiative. Singapore now decrees that more than the site area in greenery must be established on every building. This project employs this important strategy and many more in three modest terrace houses snuggling quietly in inner-urban Sydney.

The two-storey building maintains a modest scale on the street, with green roofs and dormers. Dark timber slats are used for balustrades and walls, disguising gates and garage doors. The garage can become a fourth bedroom or study when no car space is needed. The terraces have a complex section organized around a light-filled stair under a sliding glass opening roof, with sleeping located above and living below. Back bedrooms overlook green roofs and the living areas open onto intimate gardens.

Best-practice thermal construction techniques are evident, with massive concrete walls, low-maintenance materials, double glazing, the insulated green roofs, photovoltaics, rainwater harvesting and automated control (shading, ventilation and temperature), all on very small lot sizes. Post-occupancy measurement of temperature and energy indicates that these are high-performance urban residential buildings. With the architect in this case as the developer, these are outstanding models for the sustainable city.


Steele Associates
Sydney, NSW, Australia
Builder Steele Associates
Site details
Location Sydney,  NSW,  Australia
Site type Suburban
Category Residential buildings
Type Houses, Residential
Project Details
Status Built



Published online: 2 Nov 2017
Words: 2017 National Architecture Awards Jury
Images: Oliver Steele


Architecture Australia, November 2017

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