Tradesperson and contractor licence check:
https://www.fairtrading.nsw.gov.au/help-centre/online-tools/home-building-licence-check
Long Service Levy Corporation:
http://www.longservice.nsw.gov.au/bci/levy/about-the-levy/long-service-levy
Basix Planning Portal:
https://www.planningportal.nsw.gov.au/basix
Sydney Water building plan approval:
http://www.sydneywater.com.au/SW/plumbing-building-developing/building/sydney-water-tap-in/index.htm
Department of fair Trading, becoming an owner builder:
Department of fair Trading, Insurance:
Exempt and Complying development:
https://www.planning.nsw.gov.au/Policy-and-Legislation/Exempt-and-complying-development-policy
Development Regulations for bush fire prone land:
https://www.planning.nsw.gov.au/Policy-and-Legislation/Bushfires/Development-Regulations
Register for access to the National Construction Code Volume Two:
https://ncc.abcb.gov.au/ncc-online/NCC
Blue Mountains City Council website:
Blue Mountains City Council Zone mapping:
http://emapping.bmcc.nsw.gov.au/connect/analyst/mobile/?mapcfg=Locality#/main?mapcfg=Locality
Department of planning information on Secondary Dwellings (Granny flats):
Department of planning guide to Development Approval Process:
State Environmental Planning Policy (Affordable Rental Housing) 2009, Schedule 1 Development standards for secondary dwellings: