How Much Does It Cost to Plumb a House in NZ? (2026 Guide)

Planning to build or renovate a home in New Zealand? One of the biggest—and often overlooked—expenses is plumbing. Whether you’re constructing a new house from scratch or upgrading an older property, understanding how much it costs to plumb a house in NZ can save you from nasty budget surprises. You’re not alone: many Kiwi homeowners…