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granny flat cost nz

Granny Flat Cost NZ (2026): $120,000–$250,000+ QS Price Guide

March 23, 2026 by The Smart Surveyor

A newly built premium modern detached 70m2 granny flat with natural timber cladding and warm plaster accents in a New Zealand residential backyard, complete with a wrapped Vitex hardwood deck.

Thinking of building a granny flat in NZ? A Quantity Surveyor breaks down the real 2026 costs, the 70m² consent rules, and the site works most quotes leave out.

Categories Construction Costs Tags 70m2 exemption nz, granny flat cost nz, minor dwelling build cost, minor dwelling cost nz, QS estimation, transportable home cost nz 1 Comment

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