ABOUT US GJC Constructions is a local family owned business operating in Caloundra with over 25 years experience. We cover all aspecs of building and renovations from concept to completion. On time, On budget. We can cater for all your building and renovating needs. Whether you want to build a new home, renovate or extend your current house, update an old kitchen or bathroom, put on an outdoor room or just add and deck or pergola "We can do the lot". SERVICES Everything from new homes to bathroom renovations we can do the lot New Homes Extentions Renovations Kitchen & Bathrooms Out door rooms Decks Garages Contact us today for more information.