LED bulb guides
Short, plain-English explainers to help you buy the right bulb with confidence.
What are lumens?
Why brightness is measured in lumens, not watts — and how many you need.
What does 2700K mean?
Warm white explained, and where the cosy 2700K glow works best.
Warm vs cool white vs daylight
What colour temperature means and which suits each room.
What is CRI (colour rendering)?
Why some bulbs make colours look washed out — and why CRI 90+ matters.
Why do LED bulbs look harsh?
The three causes of harsh light — colour, glare and CRI — and their fixes.
Why do LED bulbs flicker?
Flicker and buzz explained: dimmers, transformers, and how to fix them.
Clear vs pearl bulbs
Sharp sparkle or soft glow? When to choose clear vs frosted finishes.
B22 vs E27 fittings
Bayonet or screw? How to tell your bulb fitting apart at a glance.
B22 vs B22d
Almost always the same bayonet fitting — what the 'd' actually means.
GU10 vs MR16 spotlights
Two-pin spotlights that look alike but run on different voltages.
Replacing halogen downlights with LED
MR16 vs GU10, the transformer catch, and when to call an electrician.