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How to fix flush ceiling lights of 0–1.5 kg to plasterboard

On plasterboard, fix flush ceiling lights of 0–1.5 kg with a metal cavity anchor whose maker publishes a ceiling (pull-out) rating, rated for at least 5 kg in a ceiling — twice the weight. A plasterboard screw on its own has no ceiling rating. 10 models state a weight in this range.

  1. Find what is behind the ceiling
    This page is for plasterboard.
  2. Use the right fixing
    A metal cavity anchor whose maker publishes a ceiling (pull-out) rating.
  3. Rated for the weight
    Rated for at least 5 kg in a ceiling — twice the weight.

Lights for this

10 lights
Aven Spotlight
Aven Spotlight
Aven Spotlight

Aven Spotlight

from £44
1.5 kg · £44
Arrives 14–24 Oct

The numbers for this situation

  • Weight0–1.5 kg
  • Rated load to look for5 kgtwice the heaviest weight in this class, never under 5 kg
  • Needs a joist or nogginno
  • Models in this weight10
  • Price from£44

Worked out, not measured

Where these numbers come from

  • Weight as stated by the supplier; the fixing is rated for twice the heaviest weight in the class and never under 5 kg, the minimum the wiring regulations (BS 7671) ask of a light's fixing. Checked against 11 matching lights in our catalogue snapshot of 2026-09-27; 10 can be bought now. Same sums on every page, release families-2026-09-29.

All the numbers

Weight (kg)Rated load to look for (kg)Joist or noggin
0–1.55no

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