Avant Constructions Pty Ltd Avant Constructions was established in 1976 to provide the community with commercial, domestic and industrial building services. As a family run company Avant Constructions still continues to operate under the same owners and building licence as it did in 1976, still providing the community and general public with the same extensive building and construction services. Fitout Services Service Locations NSW Business Address Unit 1/51 Owen St, Glendenning NSW 2761 Website Visit Social