New Website
Our new website offers an improved user experience, showcasing Sigma Consultants’ services, projects, people, and integrated approach to delivering successful outcomes across New Zealand.
Granny Flat Rule Changes in 2026
New 2026 granny flat rules make it easier to build a standalone dwelling of up to 70m² without a building consent. Learn what has changed, what a PIM is, and what property owners need to know before getting started.
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