What are the stages of building a house in NZ?
Short answer
A typical NZ residential build has eight main stages: 1) design and consent, 2) site preparation and groundwork, 3) foundation, 4) framing, 5) services rough-in, 6) cladding and weathertight envelope, 7) interior linings and fit-out, 8) final inspections and CCC. From consent issue to keys in hand is usually 8-14 months for a standard house. Each stage triggers a council inspection.
Source: MBIE Building Performance — building process. Updated May 2026.
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Check a builderKey facts
- Eight broad stages, 8-14 months typical from consent
- Council inspections at foundation, frame, pre-line, final
- Progress payments usually tied to stage completion
- Variations can slip the schedule at any stage
- Weather can add weeks at foundation and cladding stages
The eight stages
1. Design and consent: 2-6 months from brief to issued consent. Includes plans, engineering, geotech, lodgement, RFIs.
2. Site prep: 1-3 weeks. Tree removal, earthworks, services trenching.
3. Foundation: 1-3 weeks. Slab, ribraft, or piles depending on geotech. Council inspection before pour.
4. Framing: 3-6 weeks. Wall and roof framing up. Council pre-line inspection.
5. Services rough-in: 2-4 weeks. Plumbing, electrical, gas in wall, before lining.
6. Cladding and weathertight: 4-8 weeks. Exterior cladding, roofing, windows. Council pre-cladding inspection.
7. Interior linings and fit-out: 6-10 weeks. Insulation, GIB, painting, joinery, kitchen, bathroom, floor coverings.
8. Final inspections and CCC: 2-6 weeks. Final council inspection, snag list, then CCC issue.
Common timeline killers
Council RFIs during consent. Weather delays at foundation and cladding. Variation requests during fit-out. Supply chain — joinery, kitchen, specific tiles. Subcontractor scheduling — electrician booked elsewhere when you need them.
Good builders schedule contingency. Bad builders quote optimistic timelines and miss them. Ask for a realistic schedule with named stage milestones — that's what professionals deliver.
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Related questions
Sources: MBIE Building Performance — building process; NZS 3604 / 3902 standard contracts. General information for NZ homeowners, not legal advice. Building rules change and vary by council, so confirm critical details on the official source before acting. Last updated 2026-05.