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Homes built before mid-1970s and particularly before 1940 are most at risk of containing lead-based paint.
But even newer houses, sheds and fences may have interior or exterior surfaces or structures that were painted with old lead-based paint. Renovations like removing walls, replacing ceilings, flooring and carpets can mobilise dust that may contain lead-paint dust or flakes from previous renovations.
It is not possible to know if paint has lead in it by its appearance alone.
You should assume all houses contain lead-based paints if they were built:
Lead may be present in both topcoats and undercoats and particularly on surfaces like:
In the past, lead-based paint has also been used on:
Follow the six step guide (PDF 856KB) if any of these items are restored, renovated or used by young children.