Home Renovation Checklist NZ — The Complete 50-Point Checklist for 2026

Whether you're planning a single-room refresh or a whole-house renovation, the difference between a project that runs smoothly and one that becomes a horror story is almost always planning. This 50-point checklist covers the full arc from initial planning through to final sign-off.

Phase 1: Before You Start Planning (Pre-Project)

Property Assessment

[ ] Get a building inspection report — any pre-1990 home should have a specialist inspect for structural integrity, weathertightness, and deferred maintenance
[ ] Test for asbestos — if the home was built before 1990, have a certified asbestos assessor survey before any demolition. See our asbestos guide for the 10m² self-removal rule
[ ] Check for leaky home symptoms — staining, swelling cladding, musty smell inside walls; get a weathertightness report if any signs present
[ ] Identify the electrical system age — rewirable fuse board = 1960s wiring. Check our rewiring signs guide
[ ] Identify plumbing type — galvanised iron pipes (orange tinge in water, reduced pressure) may need replacing before any renovation

[ ] Check if building consent is required — structural changes, new bathrooms, extensions, new habitable rooms. Free call to your council duty planner
[ ] Identify restricted building work — structure, cladding, roofing requires a Licensed Building Practitioner (LBP)
[ ] Check your district plan — setbacks, height limits, coverage rules for any outdoor structure or extension
[ ] Check body corporate rules — if you're in an apartment or townhouse, many external changes require body corporate approval
[ ] Check heritage designation — heritage-listed or scheduled character properties have additional constraints

Phase 2: Budget and Finance

Budget Setting

[ ] Get at least three quotes for each major trade before setting your budget. See How to Get Tradie Quotes NZ
[ ] Add 15–20% contingency — not 10%. Hidden damage, scope changes, and price increases are the norm, not the exception
[ ] Separately budget for services — electrical, plumbing, and gas are rarely included in a builder's quote. Get quotes from each trade separately
[ ] Budget for professional fees — architect/designer, structural engineer, quantity surveyor, consent fees add up fast
[ ] Budget for temporary accommodation if needed — can be $2,000–$5,000/month. Don't forget this.

Finance

[ ] Confirm your finance before signing contracts — renovation lending rules differ from standard mortgage; confirm your bank will lend on the project scope
[ ] Understand progress payment structure — banks release renovation funds in stages, which must align with your tradie's payment schedule
[ ] Check for KiwiSaver and Kāinga Ora grants/programmes applicable to your situation

Phase 3: Design and Planning

Project Design

[ ] Define scope in writing — write down exactly what is included and excluded before approaching any tradie
[ ] Finalise layout before engaging tradespeople — layout changes after rough-in are expensive. See Order of Trades NZ
[ ] Check structural implications of any wall removal — all walls assumed structural until proven otherwise
[ ] Plan services routing early — where will new circuits, pipes, and ducts run? Major impact on cost
[ ] Confirm window and door sizes match standard openings — custom sizes add lead time and cost

Procurement (Long Lead Items)

[ ] Order kitchen joinery 8–10 weeks ahead — most NZ suppliers. See Kitchen Renovation Planning
[ ] Order tiles 4–6 weeks ahead and over-order by 15% for cuts and future repairs
[ ] Order imported appliances early — some models 8–12 weeks from NZ distributors
[ ] Order bathroom vanities and tapware — imported products can be 6–10 weeks
[ ] Confirm all product dimensions match drawings — handle hole centres, oven cavity sizes, drain positions

Phase 4: Booking Trades

Trade Booking (Well Before Start Date)

[ ] Book all trades before demolition — not after. See Order of Trades NZ for the sequence
[ ] Confirm each tradie is licensed — verify on EWRB/PGDB/LBP registers, not just their word
[ ] Get public liability insurance confirmation from every contractor
[ ] Confirm each quote is written — no verbal-only agreements
[ ] Understand the variation process — how will scope changes be priced and agreed?
[ ] Agree payment milestones — tied to completion stages, not calendar dates
[ ] Book the building inspector for required inspections — pre-line, pre-close, waterproofing

Phase 5: During the Renovation

Project Management

[ ] Hold a pre-start meeting with your main contractor — review scope, timeline, site access, rubbish removal
[ ] Establish communication rhythm — weekly check-in at minimum for projects over 4 weeks
[ ] Photograph all work before it's covered — particularly waterproofing, framing, services in walls. You'll need this if disputes arise
[ ] Inspect and sign off each stage before releasing payment — don't pay for work you haven't seen
[ ] Track all variations in writing — any scope change agreed verbally, confirmed immediately in writing

Required Inspections

[ ] Waterproofing inspection — must happen before tiling. Council (or private certifier) must see bare membrane
[ ] Pre-line inspection — framing, insulation, services in place before GIB goes on
[ ] Any other consent conditions — check your consent document for required inspection stages

Site Safety

[ ] Secure the site — especially if you have children. Fencing, locked access during off-hours
[ ] Asbestos management — if found during demo, work must stop until removal is managed correctly. No DIY removal of friable asbestos
[ ] Services isolation — confirm who is isolating electrical circuits and water before any work starts

Phase 6: Completion and Handover

Final Checks

[ ] Walk through with the builder before final payment — make a written snagging list
[ ] Test everything — all switches, outlets, fixtures, taps, appliances, heating, ventilation
[ ] Confirm all materials match specifications — tile pattern, paint colour reference, hardware finish
[ ] Check all doors and drawers open and close correctly — settling and fitting issues are common
[ ] Confirm all rubbish has been removed from the site

Documentation — Collect Before Final Payment

[ ] Certificate of Compliance (electrical) — electrician must provide after any electrical work
[ ] Certificate of Compliance (plumbing) — plumber must provide after any plumbing work
[ ] Code Compliance Certificate (CCC) — from council after consented work. Chase this; it doesn't arrive automatically
[ ] Producer Statement (PS3 and/or PS4) — for consented structural/building work
[ ] Weathertightness warranties — if applicable (new cladding, roofing)
[ ] Manufacturer warranties — for appliances, tapware, roofing materials, insulation

Ongoing Maintenance

[ ] Update your home maintenance schedule — new waterproofing, roofing, cladding all have maintenance requirements to keep warranties valid
[ ] File all documentation in one place — physical folder per property, or cloud folder with all CoC, warranties, consent documents
[ ] Notify your insurer of any significant changes — new kitchen, extension, or bathroom may change your sum insured

Quick Reference: Who Must Do What

Trade	Licence	Can homeowner DIY?
Electrical	EWRB	Only cover plates and light bulbs — see guide
Plumbing	PGDB	Limited maintenance only — see guide
Gas	PGDB (Gasfitter)	No — zero exceptions
Restricted building work	LBP	No — unless owner-builder exemption applies — see guide
General building (non-restricted)	None required	Yes — painting, flooring, tiling, fence under 2.5m

Download this checklist: Renovation Checklist PDF — printable version for your project folder

Get quotes for your renovation: Post Your Job Free