Sustainable Construction Grand Prize winner of the Green Solutions Awards 2017: BSolutions (Belgium)

Sustainable Construction Grand Prize winner of the Green Solutions Awards 2017: BSolutions (Belgium)

This PassivHaus and BREEAM certified project was designed to demonstrate the NZEB (Net Zero Energy Building) know-how of the BSolutions architecture and engineering agency.

Built on 3 floors, the BSolutions building offers autonomy to each floor through the implementation of 3 ventilation systems with their own power supply. 

The optimisation of energy efficiency is achieved thanks to the architectural design, the location and orientation, and the compacity of the building. BSolutions is half buried to benefit from a first natural thermal insulation and the ground inertia. Choice of orientations was crucial, for natural lighting all year long as well as to avoid summer overheatings, along with the implementation of photovoltaic panels that cover 60 % of the energy needs of the building.

Beyond the energy efficiency, health and comfort of the users were at the centre of this project through the guidance of BREEAM and PassivHaus approaches. Workspaces were designed to be full of light, and built with healthy materials. Acoustics were extensively studied for the best comfort: adapted floorings, acoustic elements in offices and creation of work cells equipped with acoustic glass partitions.

  • Contractor: BSolutions
  • Designer: BSolutions
  • Engineering consultancy: BSolutions
Case study BSolutions
Interested in this exemplary building?
Browse the case study linked to this video.

Energy & Hot Climates winner
Groupe Scolaire Bois d'Olives (France)

Sustainable Renovation Grand Prize winner
Projet 55 (Belgium)

Health & Comfort winner
CNPC Headquarters (China)

Energy & Yemperate Climates winner
Kirstein & Sauer (Germany)

Smart Building winner
Ampère e+ (France)

Low Carbon winner
Maison des Yvelines (Senegal)


Sustainable City Grand Prize
Cité du Centenaire (Belgium)

Sustainable Infrastructures Grand Prize
Filtering Gardens (Brazil)



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Nadège Rigaudeau