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GU10 LED Bulbs

GU10 LED bulbs are the twist-and-lock spotlights used across ceiling fittings and track systems. Our range covers warm white, cool white and daylight options at a spread of wattages, so you can match the light to the room and swap out older halogen spots for cooler-running LEDs. Both dimmable and non-dimmable types sit alongside single bulbs and multi-packs.

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Matching wattage equivalents when you swap from halogen

GU10 LED bulbs draw far less power than the halogen spots they replace while putting out a comparable amount of light. Across our range you will find bulbs rated around 35W-equivalent and 50W-equivalent, which is the figure that tells you how bright the LED will feel next to the older bulb it stands in for. The actual LED wattage is much lower, often in the low single figures, so a like-for-like brightness swap means looking at the equivalence and the lumen output rather than the raw wattage on the box.

Lumens are the more direct measure of brightness. Our GU10 bulbs cover outputs from around 100 lumens to 1,000 lumens, with 345 lumens the most common figure. If you are replacing several spots in one ceiling, keep the lumen output consistent across them so the run looks even.

Choosing colour temperature by room

Colour temperature is measured in kelvin and sets the mood of the light. We stock warm white at 2700K and 3000K for a softer, cosier tone that suits living rooms, bedrooms and dining areas. Cool white at 4000K gives a cleaner, more neutral light that works well in kitchens and studies. Daylight at 6500K is the crispest option and is often chosen for bathrooms and task areas. Mixing colour temperatures within a single room or run tends to look uneven, so it helps to settle on one figure before you buy.

If you want flexibility, our range also includes colour-changing and variable-white GU10 bulbs that let you adjust the tone and shade without changing the bulb itself.

Beam, shape and dimming

GU10 bulbs are a spotlight shape, throwing a directional beam rather than light in all directions, which is what makes them suited to recessed downlights and adjustable spots. Where you need to dim, choose a bulb marked as dimmable and pair it with a compatible LED dimmer; non-dimmable bulbs can flicker or buzz on a dimmer circuit. We list both dimmable and non-dimmable bulbs, along with single units and multi-packs for fitting out a whole ceiling.

Fitting them

GU10 is a twist-and-lock cap, so the bulb pushes in and turns a quarter to seat. Always switch off at the wall before changing a bulb. For anything involving fixed wiring or the fitting itself, use a qualified electrician.

Frequently Asked Questions

What does the wattage equivalent on a GU10 LED bulb mean?
The equivalent figure, such as 35W-eq or 50W-eq, tells you how bright the LED will feel compared with an older halogen spot of that wattage. The LED itself draws far less power, usually a few watts. Use the equivalence alongside the lumen output to judge brightness, rather than the LED's own low wattage figure on its own.

Which colour temperature should I choose?
Warm white at 2700K or 3000K gives a soft, cosy light that suits living rooms, bedrooms and dining spaces. Cool white at 4000K is a more neutral light that works well in kitchens and studies. Daylight at 6500K is the crispest and is often used in bathrooms and task areas. Keep one figure across a room so the light looks even.

Are all GU10 LED bulbs dimmable?
No. Our range includes both dimmable and non-dimmable bulbs, so check the listing before you buy. A non-dimmable bulb on a dimmer circuit can flicker or buzz. If you want to dim your spots, choose a bulb marked as dimmable and pair it with a compatible LED dimmer for steady control across the range.

Can I mix GU10 bulbs from different ranges in one ceiling?
You can, but it helps to keep the colour temperature and lumen output consistent so the run looks even rather than patchy. Bulbs at different kelvin figures or brightness levels will be noticeable side by side. Settling on one colour temperature and a similar lumen output before you order keeps a multi-spot ceiling looking balanced.

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