Section Plus Build Total Cost Calculator

This calculator adds up the true total cost of buying a section and building a house on it in New Zealand, capturing the extras that turn an attractive land-and-build price into a much bigger number by the time you move in. People often add the section price to the build contract and assume that is the cost, but a build has several large items that sit outside both of those figures. Site works prepare the land, covering earthworks, retaining, drainage and connecting water, power, sewer and telecommunications, and these can be modest on a flat, serviced section or enormous on a steep or unserviced one. Council consents and development contributions are a further cost, as is the driveway and landscaping that the build contract usually excludes. On top of all of it you should hold a contingency, because variations, ground surprises and cost rises are the rule rather than the exception. You enter the section price, the build cost, site works, consents and fees, driveway and landscaping, and a contingency, and the calculator totals the lot into the real project cost. Use it to set a realistic budget and to make sure your finance covers the whole thing, not just the headline land-and-build price. Figures are estimates only and not financial advice.

The extras beyond land and build often add over 100,000 dollars. Make sure your finance covers the full project, not just the headline price. Estimate only.