Single Dwellings (Alterations & Additions)- Sustainability Awards finalists 2015 There are eight finalists in the Single Dwellings (Alterations & Additions) category of the 2015 Sustainability Awards. Click through on each below to read project details and see all the imagery. Box Hill South Residence by Gruen Eco Design Dreamcatcher by Fiona Winzar Architects Hanging Gardens House by Anderson Architecture Hawthorn Studio by Habitech Systems Kids Pod by Mihaly Slocombe Rant Home Studio by Borgelt & Craig Architects Slot House by SSD Studio TARDIS House by Positive Footprints The Single Dwellings (Alterations & Additions) category was judged by Dick Clarke and Darryl Stuckey. Click here to see the full gallery of shortlisted projects and products in 2015.