Simplified LENOZ Scoring
LENOZ is Luxembourg's sustainability certification for residential buildings. The official version includes 143 criteria across 6 categories. This simulator offers a simplified grid of approximately 20 key criteria for a quick pre-assessment.
A. Environment & Energy
0 / 12Building energy class
Renewable energy production
Rainwater harvesting system
Ecological materials (wood, hemp…)
B. Comfort & Health
0 / 12Controlled ventilation (MVHR)
Natural lighting
Acoustic comfort
Accessibility (PRM)
C. Location & Mobility
0 / 9Proximity to public transport
Accessible cycle path
Nearby services (school, shops)
D. Circular Economy
0 / 9Recycled / reused materials
Construction waste management
Material durability (30+ year warranty)
E. Biodiversity & Land
0 / 9Permeable / vegetated surface
Green roof or facade
Biodiversity (nesting boxes, hedges, pond)
F. Functionality & Adaptability
0 / 9Space modularity
Smart home pre-wiring
Accessible utility room (heat pump, batteries)
Overall score
0
/ 60 points
Not certifiable
0 – 15Not certifiable
16 – 25Bronze
26 – 40Silver
41 – 50Gold
51 – 60Platinum
By category
A. Environment & Energy0/12
B. Comfort & Health0/12
C. Location & Mobility0/9
D. Circular Economy0/9
E. Biodiversity & Land0/9
F. Functionality & Adaptability0/9
Disclaimer: Simplified estimate — the official LENOZ certification requires a full audit by an accredited body (143 criteria). This simulator provides a preliminary indication and does not replace the official process.