the project comprises 4 maisonettes of 250-300 sq.m. each, 2 on the upper levels and 2 on the lower levels (side by side). 5 levels above ground , of housing and 2 levels below ground for auxilliary purposes. Bioclimatic principles are employed, ventilated facades, low-e glazing, thermal alluminum window frames, water retention with 100 m3 capacity, grey water separation, geothermal heating and cooling plus wood/gas combi fireplaces for auxilliary heating, duck pond, slanted roof planting with usefull low maintenance herbs