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MOBILETTE
MOBILETTE
Liège, Belgium
Project Featured on Jun 10, 2026
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Other Projects by Nicolas Janssens Ingenieur Architecte
MOBILETTE
Liège, Belgium
Project Featured on Jun 10, 2026
Type
STATUS
Built
YEAR
2024
SIZE
10,000 sqft - 25,000 sqft
BUDGET
$50K - 100K
A single-family home, a professional practice. An almost square footprint, a split-level site. Wood–brick compromises, generous volumes, and a ribbon. These were the elements to be balanced so that the Mobylette House could take shape in the quiet municipality of Héron.
On paper, the first form that appears is a square from which one edge has been pulled outward. This slight extension creates internal circulation within the building. In 3D, a central masonry core rises, around which open living spaces unfold. From the outside, oblique lines refine the new construction—more massive at the front, more compact at the rear. A timber structure completes the volume of the house, elevated on the street side and level with the garden.
The difference in level between the street and the garden is a major asset, naturally allowing a separation between the two functions the house accommodates. In the basement: a large parking area and a side entrance lead visitors to the professional practice, a glazed extension of the house. The family occupies the upper floors.
“Between the two, the office roof becomes a morning terrace off the kitchen.”
Initially envisioned with charred wood cladding (a material that did not comply with local planning regulations), the house was ultimately finished in brown brick. However, wood was not excluded from the project. At least two elements called for its use: the terrace screen and the cladding concealing the garage door. A wooden ribbon connects these two features. Starting at the garage, it becomes a guardrail at terrace level, running along it while gradually decreasing in height so as not to obstruct the view to the rear.
Inside the house, from top to bottom: two children’s bedrooms (each with a mezzanine and a window opening onto a shared balcony), a shower room, a master bedroom (with dressing room and en-suite shower), and below, the living room, dining room, and kitchen. Acting as a connective element, the stairwell brings generous daylight into the family floors. The cathedral effect is enhanced by indirect lighting placed along the wall edges, emphasizing the interior volumes. On the ground floor, in addition to the office, the basement spaces accommodate cars, bicycles, and sports activities (including a small utility shower).
The south-facing orientation and the large glazed surfaces (to take advantage of it) are balanced by a bioclimatic cantilever design (to prevent overheating).
Despite its generous volumes, the 25 to 30 centimeters of insulation make the house behave like a thermos, keeping energy needs relatively low.
On paper, the first form that appears is a square from which one edge has been pulled outward. This slight extension creates internal circulation within the building. In 3D, a central masonry core rises, around which open living spaces unfold. From the outside, oblique lines refine the new construction—more massive at the front, more compact at the rear. A timber structure completes the volume of the house, elevated on the street side and level with the garden.
The difference in level between the street and the garden is a major asset, naturally allowing a separation between the two functions the house accommodates. In the basement: a large parking area and a side entrance lead visitors to the professional practice, a glazed extension of the house. The family occupies the upper floors.
“Between the two, the office roof becomes a morning terrace off the kitchen.”
Initially envisioned with charred wood cladding (a material that did not comply with local planning regulations), the house was ultimately finished in brown brick. However, wood was not excluded from the project. At least two elements called for its use: the terrace screen and the cladding concealing the garage door. A wooden ribbon connects these two features. Starting at the garage, it becomes a guardrail at terrace level, running along it while gradually decreasing in height so as not to obstruct the view to the rear.
Inside the house, from top to bottom: two children’s bedrooms (each with a mezzanine and a window opening onto a shared balcony), a shower room, a master bedroom (with dressing room and en-suite shower), and below, the living room, dining room, and kitchen. Acting as a connective element, the stairwell brings generous daylight into the family floors. The cathedral effect is enhanced by indirect lighting placed along the wall edges, emphasizing the interior volumes. On the ground floor, in addition to the office, the basement spaces accommodate cars, bicycles, and sports activities (including a small utility shower).
The south-facing orientation and the large glazed surfaces (to take advantage of it) are balanced by a bioclimatic cantilever design (to prevent overheating).
Despite its generous volumes, the 25 to 30 centimeters of insulation make the house behave like a thermos, keeping energy needs relatively low.
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