The Airloom Index
How a home feels, measured.
One score from 0 to 100, built from measurements anyone can check. No adjectives, no taste: window areas, heights, depths, walls and what stands across the street.
Free calculator
Check a room in 30 seconds
Take the numbers from the floor plan. This is a quick check of one room, not the full Airloom Index.
Room light
–/100
Same thresholds as the Airloom method: window area, window height, room depth, ceiling, orientation.
What we measure
No adjectives. Every point in a score traces back to a measurement and where it came from.
Light 50 %
- Window area per room, against the floor it has to light
- How high the windows reach, and how deep the rooms run
- Ceiling height
- Which way it faces, and how many sides it opens to
- Balconies and loggias that shade the room below
- How much sky the building opposite blocks
Solid walls 20 %
- How the walls are built, and how thick they are
- Sound insulation between flats, or the fact that none is published
- Glazing
Comfort 15 %
- External shading against summer heat
- Heating demand, from the energy certificate
- Overall energy efficiency
Outlook 15 %
- Distance to the building opposite
- Can you see out when you sit down?
- Outdoor space deep enough for a table
- What may still be built across the street
Share of the score. Method v0, a draft that will be published in full before the first named score.
Built on the European daylight standard, EN 17037, and the national building rules, not on taste. The method is public, so anyone can check a score.
Why you can trust a score
Never paid by those who sell or build
No seller, developer, builder or prefab maker pays us to be rated, featured or recommended. Not once.
Every number has a source
The plan, the page, the date. Where a developer publishes nothing, we say so.
The method is public
Published before the first named score, so anyone can redo the sums.