Interior design
Living room ceiling light: the four figures to check before ordering
Published on ·3 min read
The living room is where you spend the most waking time, the room you show, and the one whose lighting is most often wrong. The luminaire is chosen from a photograph, fitted, then endured for ten years.
Four figures are enough to avoid that, and none of them is about style.
Diameter, before shape
A ceiling light too small in a large living room looks like a button on the ceiling, and lights only its own circle. Too large in a small room, it crushes. The decorators' rule is simple: add the length and the width of the room in metres, and the result in centimetres gives an indicative diameter.
A living room of 5 by 4 metres therefore calls for a luminaire of around 90 cm. That is larger than most people spontaneously choose, and it is exactly why so many living rooms look badly lit.
- ·Living room of 4 x 3 m: around 70 cm in diameter
- ·Living room of 5 x 4 m: around 90 cm
- ·Living room of 6 x 5 m: around 110 cm, or two sources
- ·Beyond 30 m²: two luminaires beat one very large one
The Boréal 107
Retractable blades · Ø 107 cm · LED ceiling light & silent fan
- ✓Retractable blades: invisible when off, nobody guesses it's a fan
- ✓Sleep with windows closed, 30 dB, quieter than a whisper
- ✓Integrated LED 2700K → 6000K, dimmable: replaces your ceiling light
The three figures of light
Lumens first: 100 to 150 per square metre for a living room, that is 2,500 to 3,750 lumens in 25 m². The ceiling light carries half to two thirds, the rest coming from low lamps that create the living zones.
Kelvins next: 2700K is the evening value, the one that warms wood and textiles. As a living room is also used in daylight, a model that reaches 4000K saves you from choosing between the two moments.
CRI last, the least known and the most decisive. Below 80, the colours of the room go flat. Above 90, they stay as they are in daylight. When a spec sheet omits it, it is unlikely to be good.
What a living room asks on top
A living room has not one use but four: receiving, reading, watching a screen, sometimes working. A fixed luminaire cannot suit all four. That is why dimming matters more here than in any other room.
It is also the room most exposed to summer heat, because it is often the largest and the most glazed. A ceiling light that deploys blades when it gets hot, and folds them away the rest of the year, answers both needs on the only fixing point available.
Choose diameter on the room, output on the floor area, temperature on the hour, and CRI on how demanding you are. A well-lit living room is not a very bright one: it is a room where light can be adjusted and colours stay true. Style comes afterwards, and it has far less effect on comfort than people think.
Frequently asked questions
What diameter of ceiling light for a living room?+
Add length and width in metres and read the result in centimetres: a 5 by 4 m living room calls for around 90 cm. That is usually larger than what you would spontaneously pick.
How many lumens for a living room?+
100 to 150 lumens per square metre, that is 2,500 to 3,750 lumens for 25 m². The ceiling light carries half to two thirds, with low lamps making up the rest.
What colour temperature in a living room?+
2700K in the evening, which warms materials and prepares for rest. If the room is also used in daylight, prefer an adjustable model reaching 4000K over a fixed middle value.
The SEY Maison Circle
Every month, an exceptional piece. Never reissued.
The Drops principle: one high-end furniture piece per month, in a numbered edition. Once it's gone, it never comes back. Circle members are notified 48 h early, access each drop 24 h before everyone else, and receive our guides before publication.
Discover the Drops →
