DIY Home Guides NZ
Know exactly what you can legally do yourself — and what requires a licensed tradie. Avoid fines, void insurance, and dangerous work.
What Can I Do Myself? — Legal DIY Limits
NZ has clear rules about what homeowners can and can't do. The guides below cover each trade — with plain-English explanations of the law, what the actual risks are, and where to get a licensed professional when you need one.
⚡ Electrical Work I Can Do Myself
EWRB rules explained — changing light bulbs is fine, adding power points is not. Full list of what NZ homeowners can legally do.
Legal limits🔧 Plumbing I Can Do Myself
PGDB rules for DIY plumbing — tap washers yes, drainage connections no. Know exactly where the line is before you pick up a spanner.
Legal limits🏗️ Building Work Without Consent
Schedule 1 exemptions explained — small sheds, decks under 1.5m, and minor alterations that don't need a building consent or LBP.
Legal limits🔨 Can I Be My Own Builder?
Owner-builder rules in NZ — when you can manage your own build, what you can't sign off yourself, and the insurance implications.
Legal limitsDIY How-To Guides
Step-by-step guides for common DIY jobs that NZ homeowners can legally tackle themselves.
🎨 How to Paint a Room
Prep, primer, cutting in, and rolling — the right order and tools to get a professional finish without hiring a painter.
DIY guide🚧 How to Build a Fence NZ
Post spacing, concrete depth, paling patterns — what you can do yourself and when you need consent.
DIY guide🪵 How to Lay Decking
Treated pine, composite, or hardwood — framing, joists, and board spacing for a consent-exempt deck.
DIY guide🏡 DIY Insulation NZ
Ceiling and underfloor insulation — what homeowners can install themselves, H1 requirements, and choosing the right R-value.
DIY guideUseful Tools
💬 Is My Quote Fair?
Compare your tradie quote against NZ benchmarks — instantly see if you're being overcharged.
Tool🧮 Renovation Cost Calculator
Estimate your full renovation budget — bathroom, kitchen, extension — before you speak to a builder.
Calculator📐 Decking Materials Calculator
Work out how many boards, joists, and fixings you need for your deck before buying materials.
Calculator📐 Fence Calculator
Posts, rails, palings, and concrete — calculate materials for any fence length and style.
CalculatorDecided you need a tradie?
Post your job free and get quotes from licensed tradespeople in your area.
Planning Your Project
Not sure whether to DIY or hire? Start with our project planning guides — they cover timelines, trade sequencing, and budgets.
📋 Order of Trades NZ
Who goes first? Builders, electricians, plumbers, GIBbers — the correct sequence for any renovation.
Planning🚿 Bathroom Renovation Planning
Week-by-week timeline, trade sequence, budget stages, and decisions to make before demo day.
Planning🍳 Kitchen Renovation Planning
Joinery lead times, electrical upgrades, plumbing changes — the full planning sequence for a kitchen reno.
Planning🏠 House Extension Planning
Consent, designer, engineer, builder — the full timeline from idea to code compliance.
Planning