The following pages feature Australian projectsand products at the forefront of sustainablebuilding. The winners of the awards will beannounced at a gala celebration in Novemberand will appear in BPN's December edition.lntroducing the finalists for the

HOUSE REDUCTION:r,.;lrrt ttcrl bv MAi(E a-i:ir,ilctLr i.,

The clients requested minor alterations to the existing fabric of the house as well as theaddition of new bathrooms, and new kitchen, living and exterior decklng areas.

The challenge was to devise efficient planning to accommodate a large famiiy withinthe constraints of a smaller {ootprint.

INITIATIVES. External scTeens can be closed {or a shady refuge.. Water collected from the roof is re-used in the laundry

and WC.. A fan in high ceiling space is used to work in summer /

winter mode (circulating warm air down in winter).. The existing house insulation has been upgraded.. Maximum solar gain and cross ventilation with high level

I ouvres.. The sliding screens shade the house from summer sun.

PERISCOPE HOUSESrbilrttr.,i.l bV e(-rro l\rchile , lir.i'

Rather than focusing on a larger building area to reduce material and energyconsumption, the owners were more concerned with we{l designed compact so-::providing flexibility to adapt to future needs. Retainlng much of the existlng si'-:: -

and detai was also an important ethical and aesthetic consideration.

INITIATIVES. Toxic free.. Low maintenance, durable and ethically sourced materials.. Passive l'eating ard cooling.. Operable internal windows to

maximise cross ventilation.. Operable highlight clerestory

windows to aid the exhaust ofinternal warm air buildup and drawcooling air

. Timber salvaged from demolition was

reused.. Excavated soil was retained for raised

planters and landscaping.JACK AND JILL HOUSEr i"" ttecl by Breatlre ArchitectLrre

--e building was designed as a series of volumes steppingrlwn the hill to allow for internal courtyards and suntraps.

Tre weatherboard skin of the preceding single storey-:re and the transition to the rear is punctured, capturing:-: maximising northern light and channelling breeze:-'trJgh small open courtyards adjoining a novel, steppedt::'o an.

!NITIATIVES. S:'aiegic passive ventilation and solar planning.. -:: of natural power to reduce energy.. '.::- and south wlndows channel light and breeze achieving passive conditioning.. : .'. ^dows have been double glazed.. --: -aterlal selection is mainly raw and inert, reducing the potential impacts from

:-::o ed energy.. 1- -.ertoy of demolition materials was kept for the client to auction on eBay.. -:- r se ected timbers from the old house were dressed down for re-use as the new kitchen

:- : :::-'oom bench tops.. '::,: :: c.icks were used for the boundary wall construction.