Updated July 2026.
The five most common lighting mistakes are: relying solely on a single ceiling light, choosing light that is too cold, installing only one light source per room, hanging pendants at the wrong height, and forgetting accent lighting. Correcting these costs almost nothing and changes everything in a room.
Mistake 1: Relying solely on a ceiling light
This is the most common mistake. A single ceiling light in the center of the ceiling illuminates everything from above, making it flat and cold, and highlighting nothing. The correction: supplement it, or even replace it, with several light sources distributed throughout the room. This is the principle of layering detailed in our guide on how to properly light each room.
Mistake 2: Light that is too cold
A cool white bulb in a living room or bedroom and the ambiance turns into a waiting room. For living and resting areas, aim for warm light around 2700 Kelvin, which leans towards golden. Reserve neutral white, around 4000 Kelvin, for functional spaces. We detail all of this in our guide on light temperature room by room.
Mistake 3: Only one light source per room
The more small light points you have, the warmer and more profound the room appears. A single strong source flattens; three to five soft sources enhance. Adding a floor lamp in a corner or a table lamp on a piece of furniture is often enough to change everything, without any renovation work.
Mistake 4: Incorrect pendant height
A pendant hung too high above a table loses all its intimate effect; where people walk, if it's too low, it blinds or people bump into it. The right reference point: approximately 70 to 85 cm between the bottom of the pendant and the tabletop, and at least 210 cm from the floor in a passageway. We detail each case in our guide on the height of a pendant above a table.
Mistake 5: Forgetting accent lighting
Many interiors have general lighting and task lighting, but skip the most magical layer: accent lighting. These small, low, warm sources, like a lamp placed on a shelf, create islands of light in the evening. It's what makes all the difference between a lit room and an inviting room.
Summary: Mistake and Correction
| Mistake | Correction |
|---|---|
| A single ceiling light | Add 3 to 5 distributed sources |
| Light that is too cold | Switch to warm white, 2700 K |
| Only one source per room | Multiply low, warm light points |
| Pendant poorly placed | 70 to 85 cm above the table |
| No accent lighting | Add a low, warm lamp |
Fenalor's tip: First, correct the temperature of the bulbs, then multiply the sources. These two actions, without renovation or a large budget, transform a room more effectively than changing furniture.
The more subtle mistake: mixing temperatures in the same room
Here's a flaw that we feel without knowing how to name it: a living room lit simultaneously by a warm white pendant at 2700 Kelvin and a lamp that remains neutral white at 4000 Kelvin. The eye immediately perceives the discrepancy, one area leans towards golden, the other towards bluish, and the overall impression is that it's poorly adjusted without identifying the cause. The rule is simple: in the same room, align all sources to the same temperature, with a tolerance of about 200 Kelvin. An exception is tolerated for strictly technical lighting, a work surface for example, provided it is visually separated from the rest. The most effective way is to go around the room, bulb by bulb, and note the value inscribed on each base before harmonizing everything. Our table and bedside lamps lend themselves well to this synchronization.
CRI and dimmer, the two details that change the rendering
Two bulbs displaying the same lumens and Kelvin can give a very different rendering, and the culprit is CRI, the Color Rendering Index. Rated on a scale of 100, it measures how accurately a light renders true colors. Below 80, warm wood looks grayish, terracotta fabric turns dull brown, and a complexion becomes pale. Aim for at least 80, and 90 or more in a living room or dining room where materials matter: the price difference is small, the rendering difference is considerable. The second underestimated detail is the dimmer. The same room does not need the same intensity at noon and at 10 PM, and being able to dim the light often replaces the purchase of an additional fixture. Just make sure your bulbs are indicated as dimmable, otherwise, flickering may occur. Explore our pendants to complete the installation.
Frequently Asked Questions
What is the most common lighting mistake?
Settling for a single ceiling light in the center of the room. This overhead light is flat and cold, it flattens volumes and highlights nothing. The solution is to supplement it with table lamps, a floor lamp, and accent lighting.
How to correct light that is too cold?
Replace the bulbs with warm white around 2700 Kelvin. Supplement with low-level sources with fabric lampshades, which soften the light. A few well-distributed warm points are enough to warm up an entire room, without repainting anything.
At what height should a pendant be hung?
Above a table, allow 70 to 85 cm between the tabletop and the bottom of the pendant. In a passageway, keep at least 210 cm between the floor and the bottom of the fixture to avoid bumping into it or being blinded.
How many light sources per room?
Aim for at least three sources in a living room: general light, task light, and accent light. This distribution creates depth and allows for adjusting the lighting to the time of day.
To correct your mistakes and equip yourself, browse the entire lighting collection at Fenalor.
If the ceiling light is your starting point, here's how to choose it well.
