Outdoor Power: Decks, Garages, and Sheds
Adding power outside your South Auckland home? Here's what's involved, what it costs, and why weatherproofing done right the first time matters.
Outdoor power in a South Auckland home runs from about $250 for a weatherproof deck power point up to $2,500 for an underground run to a shed or sleep-out. The three common jobs are a deck power point, a garage sub-board, and shed or sleep-out wiring - here’s how each one breaks down.
Deck power points
A weatherproof double power point on the deck for a BBQ, outdoor speakers, string lights, or a fan. Usually a half-day job. Needs to be IP54 rated at minimum and mounted in a weatherproof enclosure.
Garage sub-board
If you’re doing serious work in the garage - power tools, a welder, a car hoist - a sub-board with its own dedicated circuits is the right solution. Keeps the garage loads off the house circuits and protects your tools with proper circuit protection.
Shed power
Running power to a detached shed or sleep-out requires underground cabling. The cable needs to be at the correct burial depth, in conduit where required, and properly terminated. This is not a DIY job and needs an Electrical Certificate of Compliance.
What it costs
- Deck power point: $250-$500 depending on cable run
- Garage sub-board: $800-$2,000 depending on size and existing wiring
- Shed power (underground): $800-$2,500 depending on distance
All figures are indicative - get a quote for your specific job. See the full cost breakdown for what shapes the price.
Why weatherproofing matters
Outdoor electrical work that isn’t properly weatherproofed corrodes, fails, and creates shock hazards. We use appropriate IP-rated fittings, UV-stable cable, and properly sealed enclosures. It costs a little more to do right. It costs a lot more to redo.