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    Free UK delivery

    Tracked, on every order, anywhere in the UK.

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    Fits the lamp you have

    Standard screw-in fitting. Not the right one? Email us and we post the correct fitting within 7 days, free.

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    30-day money-back guarantee

    Not right for your room? Send it back within 30 days.
    Mosaic Glow Bulb switched off in a brass reading lamp by a window

    Light, made personal

    Beautiful unlit. Unforgettable lit.

    By day the glass panels catch the light like a tiny cathedral window. By night the bulb throws its colours across the wall, the ceiling and the corner of the room that was waiting for a little more warmth.

    Use it in a bedside lamp, an exposed-bulb fixture or the reading corner you keep meaning to finish.

    Choose your glow

    Seen in real homes

    • Small change, completely different atmosphere

      I put it in the lamp by the sofa and the whole wall turned into stained glass. Guests ask about it every single time.

      Hannah, Bristol

    • Better than the photos

      Soft, warm colours, not a disco light. It makes my reading corner feel like it finally belongs to me.

      Priya, Manchester

    • Two lamps, two rooms

      Went for the two-lamp bundle: one by the sofa, one in the bedroom, both glowing a minute after unboxing. My sister wants a set now too.

      Tom, Leeds

      Good to know

      Questions, answered

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      Will it fit my lamp?

      The bulb takes the standard screw-in lamp fitting used by most UK table and floor lamps. Unsure? Order anyway: if the fitting turns out not to be right, email us and we send the correct one within 7 days, free. Or pick the two-lamp bundle and they arrive ready to switch on.

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      What kind of glow should I expect?

      A warm, soft light with coloured patches on the nearby walls. The effect depends on your shade, the room and where the lamp sits; open shades and bare-bulb fixtures give the strongest colour.

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      How long does shipping take?

      Orders leave within 1 to 2 working days with tracked UK delivery. Delivery is free; the estimated arrival date is shown at checkout.

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      What if it isn’t right for me?

      You have 30 days to return your order. Contact us with your order number and we will help make it right.

      The Mosaic Glow Bulb

      Flip the switch, and the room changes.

      Just the bulb, or two Mosaic Lamps with two bulbs included. Free UK delivery.

      Shop the bulb