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Spotlight Bulbs

GU10 spotlights are the workhorse of ceiling downlights, and this range keeps them stocked across the shades you need. Choose warm white at 3000K, cool white at 4000K or daylight at 6500K, in dimmable and non-dimmable form and in single packs or multipacks. Wattages run from a low 2W up to 7W, so you can match output and colour to each room.

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GU10 spotlights for ceiling downlights

The GU10 spotlight is the workhorse of recessed ceiling downlights, found across kitchens, hallways, bathrooms and living spaces. This range keeps the fitting stocked in the shades and outputs you need, so matching a single failed bulb or kitting out a whole ceiling is straightforward. Single packs and multipacks both feature, depending on how many you need at once.

Choosing your colour temperature

Colour temperature, measured in kelvin, sets the mood of a room. Warm white at 3000K gives a soft, cosy glow that suits lounges and bedrooms. Cool white at 4000K offers a crisp, neutral light well suited to kitchens and work areas. Daylight at 6500K is the brightest and bluest, useful where clear visibility matters most.

Wattage and brightness

LED spotlights draw little power for the light they give. Wattages in this range run from a low 2W up to 7W, with brightness stated in lumens on many bulbs, such as 345lm or 360lm. Lumens describe the actual light output, so comparing those figures is the surest way to judge how bright a bulb will be. Some are also marked as a 50W replacement for anyone upgrading older halogen fittings.

Dimmable and non-dimmable options

Both dimmable and non-dimmable GU10 bulbs are available. If your room is on a dimmer switch, a dimmable bulb is essential, as non-dimmable types are not made to vary their output. Where a fixed brightness is all you need, a non-dimmable bulb is the simpler choice.

Smart lighting

For more flexibility, a smart GU10 bulb with colour-changing and variable white control lets you adjust both shade and brightness without swapping the bulb. It is a neat way to get warm light in the evening and brighter, cooler light by day from the same fitting. Free UK delivery over £99, worldwide shipping.

Frequently Asked Questions

What is a GU10 spotlight bulb?
A GU10 is a mains-voltage spotlight with a twist-and-lock base, widely used in recessed ceiling downlights across kitchens, hallways and living spaces.

What is the difference between warm white, cool white and daylight?
These describe colour temperature in kelvin. Warm white at 3000K is soft and cosy, cool white at 4000K is crisp and neutral, and daylight at 6500K is the brightest and bluest.

How do I compare brightness between bulbs?
Look at the lumen figure rather than the wattage. Lumens, shown on many bulbs as values such as 345lm, describe the actual light output, while wattage only tells you the power drawn.

Can I use these with a dimmer switch?
Only dimmable bulbs should be used on a dimmer circuit. Non-dimmable bulbs are not designed to vary their output and may not work correctly on a dimmer.

What can a smart GU10 bulb do?
A smart GU10 with colour-changing and variable white control lets you adjust both the shade and the brightness of the light without changing the bulb itself.

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