As many as three in 10 homeowners across New South Wales do not check the license of construction tradespeople before engaging them for maintenance or home renovation work and many are unaware that licensing is required in non-structural areas such as painting, plastering, floor tiling and fencing, a new survey has found.

Commissioned by NSW Fair Trading and published by consulting firm instinct and reason, the survey of 1,000 home owners across the state suggests many are taking risks by using unlicensed contractors for planned maintenance or improvement work performed on their home. It found that more than 31 percent of respondents…