Gem Construction Pty Ltd Home ›› Local Listings ›› NSW ›› South Wentworthville ›› Gem Construction Pty Ltd NSW Construction South Wentworthville, NSW 2145 0401 200 9500401 200 950https://gcteams.com.au GEM Construction is the leading company for kitchen and bathroom renovation in NSW. We have experienced team to manage and simplify your project from start to finish.