Use MAV Studio's residential design cost calculator for an early indication of the design, council and consultant fees that may apply to a renovation, new home, granny flat or small dwelling project in New Zealand. The estimate can help you understand some of the professional and approval costs involved in getting a residential project ready to build. It is a guide only and does not include land, construction or builder costs. Actual fees depend on the project, site, consent requirements, consultants and level of documentation required.