How to Choose Between Warm and Cool Bulbs for Different Rooms

The number printed on a light bulb box has a bigger effect on a room than most people realise. Kelvin values describe whether the light feels yellow and cosy or crisp and clean, and using the wrong tone in the wrong room is one of the quickest ways to make a home feel slightly off. This guide breaks down what those numbers actually mean, then works through living rooms, bedrooms, kitchens, bathrooms, hallways and studies to suggest a sensible temperature for each. There are also notes on bulb quality, the Colour Rendering Index, mixing tones in the same room and a short FAQ on the most common mistakes UK homeowners make with bulb choice....