The cost per square meter had to be 650 EUR/m2 since the selling cost was 1200EUR/m2. The given urban plot of the building was 4 floors high, 58 meters long and 15 in width. Since the orientation of the building is towards the busy highway the apartment opening together with balconies are shifted as 30 degrees window-wings towards the quieter and south orientated side. Long after the elevations were planned many people associated them to Tetris game. And so the building got its name.

Sustainability issues:

The combination of balconies and winter gardens function as constant temperature buffer zone to the main living and sleeping areas.

The balconies are shifted opposite from the busy road. On the same time provide shelter from direct sunlight direction.

Additional aluminum shading panels are placed on the outer sides of the winter loggias and balconies.

The service and communication spaces are reduced to minimum thus the daylight is provided on the shafts. The monthly basic energetic and service costs are very low; so also economic for the habitants since the apartments are social type.

(description on the site of Ofis)

Ofis arhitekti

Design team:
Rok Oman,

Špela Videčnik,
Martina Lipicer,

Nejc Batistič,

Andrej Gregorič,

Ana Kosi

Navigation: Poljanska cesta 44-46, Ljubljana

Costs:

Budget Construction cost: 650EUR/m2

Selling cost: 1.300 EUR/m2

Time-tables:
Construction start: February 2006

Construction finish: October 2007

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