Dimmable E27 LED bulbs

First check that your dimmer is designed for LED bulbs, then measure the space available in the light fixture before settling on a format. This selection brings together E27 dimmable LED bulbs, in glass and brass, with warm white light between 2700 and 3500 K, to adjust the intensity room by room.

What is an E27 dimmable LED bulb?

An E27 dimmable LED bulb is a bulb with an E27 base whose brightness is adjusted from a compatible dimmer. In this selection, they give off a warm white light between 2700 and 3500 K, in glass and brass, with IP20 protection for indoor use.

E27 dimmable LED bulb: what the intensity setting changes

The same bulb gives two moods. Turned up, it lights a table for a meal or a worktop. Turned down, it leaves enough light to talk without turning the room into a waiting room. It is the gesture that replaces the classic on-off switch, without changing the fixture or adding a lamp. If you are starting from scratch, browse our entire lighting range before settling on your choice of bulb.

LED bulbs and dimmer: what we expect from a room in the evening

In the evening, we look for a low light that does not carve up faces and does not bounce glare off a screen. The warm white of these models, in glass and brass, stays soft when the intensity drops. The collection is limited to two formats, which simplifies the choice. You can compare our E27 filament dimmable bulb, more elongated, and a second, more compact option, our round E27 vintage bulb.

How does a dimmer work on an LED bulb?

A dimmer lowers the electrical power sent to the bulb, and the internal electronics of the LED translate this reduction into lower brightness. You need a dimmer designed for LED, or at least compatible: an old dimmer designed for halogens often makes an LED bulb flicker.

Old dimmer or LED dimmer: what changes

A halogen dimmer works with a heavy load, whereas an LED bulb consumes very little. On an old dimmer, the reduction happens in steps, the bulb buzzes or goes out at the bottom of the range. A dimmer compatible with LED handles this low load and the dimming stays progressive. All the models in this selection are stated as dimmer compatible, with an E27 base and in warm white. To start from a sound base, also look at the E27 screw bases in our catalogue.

Why an LED bulb flickers on a dimmer

Flickering almost always comes from the dimmer, rarely from the bulb: load too low, incompatible device, or different models on the same circuit. A non-dimmable bulb fitted on a dimmer produces the same effect. The test is simple: install the bulb in a fixed position, without a dimmer. If it lights normally, it is the dimmer that needs changing. The E27 LED bulbs range brings together the most common screw formats.

How to choose your E27 dimmable LED bulb?

You first choose the format, according to the space available in the fixture, then the material and finish, glass, brass or iron, which decide the look of the bulb when switched off. Then come the shape, globe or round, and the warm white light temperature. Dimmer compatibility remains essential.

E27 dimmable bulb: the criteria that really matter

Size comes first: a bulb that is too tall will not fit under a diffuser, even if its light is suitable. The finish matters just as much, since the bulb remains visible on a pendant or a chandelier. The stated power, 3 W on the filament version, serves as a technical reference but does not replace colour temperature in the choice. The rest comes down to space and the desired mood. Our bulbs range groups the available families.

Format, material and base: reading an LED bulb label

A useful label fits in five lines: the base (E27), the format in diameter and height, the material, the colour temperature in kelvins and the mention dimmer or dimmable. If the power is given without equivalence, that is not a problem: light is judged by the result, not by a converted figure. Dimmable bulbs carry this mention explicitly.

E27 dimmable bulb: which light temperature to choose?

The whole selection gives off a warm white between 2700 and 3500 K, a light close to the old filament bulb that stays pleasant in the evening. The dimmer lets you lower it for a dinner or reading, without changing the bulb or adding a fixture.

Warm white 2700 - 3500K: what it looks like in a room

In a living room, this warm white shows wood and fabrics without yellowing them. In a bedroom, it accompanies reading then the drop in intensity before sleep. In a kitchen, it keeps colours true on a worktop. The usual benchmarks of the trade range from 2700 K, very warm, to 3500 K, more neutral while staying warm. If you want to decide on this value, our selection of 2700K bulbs gives the most enveloping version.

Lowering the intensity in the evening: the right reflex

Dimming replaces adding a second source. You light brightly to prepare the meal, dim it to eat, dim it further for conversation. The same bulb follows the whole evening, which avoids piling up light points in an already busy room. Just keep the dimmer accessible, near the door or the table.

Where to install an E27 dimmable LED bulb in the home?

These E27 dimmable bulbs fit in living rooms as well as smaller rooms: living room, bedroom, kitchen, bathroom, toilet and dining room. The choice is mainly based on the space available in the fixture and on the expected light level, more or less adjustable.

Bulbs for living room and bedroom: the setting that changes everything

In the living room, the dimmer is used twice a day: high at the start of the evening, low afterwards. In the bedroom, it avoids harsh light at bedtime, without having to get up to switch off. A round and compact version fits well in a small lampshade or a bedside wall light. Our living room bulbs and our bedroom bulbs detail these uses.

Kitchen and wet rooms: keeping a readable light

On a worktop, you want to see what you are cutting: high intensity, even light, no shadow on your hands. In a bathroom or toilet, the bulb is used for short moments and needs a clear light above the mirror. Note the protection stated on these models, IP20: they are intended for dry indoor use, not for a room exposed to direct splashes.

Can you put an E27 dimmable LED bulb in a ceiling light, a chandelier or a wall light?

Yes. A ceiling light, a chandelier or a wall light fitted with an E27 base accepts these bulbs, provided their format fits within the volume of the fixture. On a chandelier with several points, keep the same model everywhere so that the drop in intensity stays even.

LED ceiling light and LED ceiling lighting: what matters

Under a ceiling light diffuser, the available height is often tight: a 9 cm bulb can touch the glass. So check the format before ordering, and prefer the round 4 x 6 cm version if the volume is tight. A dimmable ceiling light lights the whole room without installing extra spotlights. This type of E27 fixture goes with an E27 light fixture chosen from the same range.

LED chandelier and LED wall light: multiplying light points

On a dining room chandelier, several identical bulbs dim together and give an even light. Mixing models creates visible differences at the bottom of the range. On a wall light, it is the opposite: a single bulb, a reduced volume, and a compact format that avoids sticking out from the mount. E27 filament LED bulbs have the advantage here of a readable light even when the intensity is lowered.

How to install and maintain an E27 dimmable LED bulb?

Switch off the power, screw the bulb into the E27 base without forcing, then check that the dimmer responds well across the whole range. Clean dry, without product. The models in this collection are guaranteed for 2 years.

Screwing in an E27 bulb: the simple steps

Switch off the circuit breaker or the switch before touching the fixture. Screw by hand, without tightening beyond contact: forcing on the base damages the thread and the socket. Switch on, then run the dimmer through its whole range, from minimum to maximum, to spot any step. If the fixture has a lampshade, put it back only after this test. Our E27 dimmable bulbs range indicates the models concerned.

What to do if the light does not dim

If the bulb lights but does not dim, the dimmer is not LED compatible, or the bulb is not dimmable. If it flickers at the bottom of the range, same cause. In both cases, test the bulb in a fixed position to confirm that it works. Then clean dry, with a soft cloth, and never with a liquid product.

LED bulbs and dimmer: which mistakes to avoid?

The most frequent mistakes are a non-dimmable bulb fitted on a dimmer, an old dimmer designed for halogens, or different models mixed on the same chandelier. Nor do we expect a dimmable bulb to change colour: it only adjusts the intensity.

The mistakes that make an LED flicker

Fitting a non-dimmable bulb on a dimmer is the first cause. The second: keeping a halogen dimmer in place. The third: mixing models and temperatures on the same circuit, which makes the dimming uneven. To change format without changing the installation, compare the small base dimmable bulbs if your fixture is E14.

What not to expect from a dimmable bulb

It does not change the colour of the light: warm white stays warm white, whatever the intensity. Nor does it increase the maximum brightness of the fixture. To play with the look, look instead at the material and shape: glass bulbs let the filament show, retro-looking bulbs dress a pendant, and modern-style bulbs stay understated under a diffuser.

First choose your format, the one that fits the fixture, then the finish you like. Secure payment, tracked delivery, possible returns and Designix customer service accompany every order.

Frequently asked questions