015 – Avenue H. Boulenger, 25

Avenue H. Boulenger, 23 et 25, 1180 Brussels, Belgium
313 m² ; 1976-1977 ; (01/015).


Distribution of functions:

N° 25:

– Offices, checkroom, utility rooms on first floor

– Living room, dining room, kitchen on second floor, level with garden

– Bedrooms and bathrooms on third floor

– Office and boiler room under the roof

Each level comprises a circulation zone, a service zone, and a serviced zone. These zones overlay on each level.

Structural system:

– Foundations:

o Unreinforced concrete footings under walls

o Reinforced concrete footings under the two central columns

– Masonry walls of 14 and 19 cm thick perforated terracotta blocks, modules 6.5 x 14 x 19 and 6.5 x 9 x 19, intended to remain exposed

– Heavily reinforced concrete floors and pre-slabs with metal mesh stiffeners

– Frames composed of Oregon Pine 10/30 purlins, placed vertically to utilize their maximum load-bearing capacity, carrying from the party-wall to the gable wall and ensuring the latter’s transverse stability. 

– The purlins are braced by the rafters they support.


Complete mission  

• Landscaping
• Architecture 
• Interior design 
• Structural engineering 
• Technical engineering
• Project management
• Construction management 
• Economics


Architecture and Engineering: Philippe SAMYN and PARTNERS All projects are designed by Philippe Samyn who also supervises every drawing
 Structural Engineering: Philippe SAMYN and PARTNERS
Services engineering: Philippe SAMYN and PARTNERS

Construction costs:

The construction cost for n°25 excluding VAT, building taxes, fees, fixed furnishing, painting, planting, is 3,442,966 Belgian Francs (November 1977).

015 - Avenue H. Boulenger, 25samyn