USEFUL LINKS:

Gold Coast City Council Planning & Development on line: your property description and previous approvals.
https://cogc.cloud.infor.com/ePathway/ePthProd/web/ GeneralEnquiry/EnquiryLists.aspx?ModuleCode=LAP&js=1071218665

Gold Coast City Council Planning services: on line services, forms ,planning  scheme.
http://www.goldcoast.qld.gov.au/online-services-5454.html

Gold Coast city Council Advisory notes: carports in the front 6m ,sheds, gatehouses.
https://www.goldcoast.qld.gov.au/documents/bf/advisory-notes.PDF

Queensland Building and Construction Commission:
https://www.qbcc.qld.gov.au/

Gold Coast City Council forms and applications:
http://www.goldcoast.qld.gov.au/forms-applications.html?pg=12

Building laws and standards - Queensland Government: 
https://www.qld.gov.au/housing/building-home/laws-standards