New Plymouth's mix of older and newer housing creates steady switchboard upgrade demand. Homes in the oil and gas sector often have industrial-standard electrical work — residential upgrades follow NZ residential standards. Here's what switchboard upgrades cost in New Plymouth in 2026.
New Plymouth Switchboard Upgrade Costs 2026
| Service | New Plymouth typical cost |
|---|---|
| Standard switchboard upgrade (single-phase) | $2,000–$4,200 |
| Complex upgrade (three-phase or rewire) | $3,200–$6,000 |
| Add RCD / safety switch to existing board | $270–$560 |
| Add individual circuit breaker | $170–$360 |
| Switchboard inspection / report | $170–$330 |
All prices GST inclusive. Broadly regional.
New Plymouth Switchboard Market
New Plymouth's mix of older and newer housing creates steady switchboard upgrade demand. Homes in the oil and gas sector often have industrial-standard electrical work — residential upgrades follow NZ residential standards.
When Do You Need an Upgrade?
Your home likely needs a switchboard upgrade if it has ceramic fuse holders, no RCDs (safety switches), frequent fuse-blowing, or if you're adding an EV charger, solar system, heat pump, or induction cooktop. Older fuse boards simply don't have the capacity for modern high-draw appliances.
What's Included
A full upgrade includes: replace fuse board with modern circuit breaker panel, install RCDs on all circuits, label and test, issue Electrical Certificate of Compliance (eCoC). Must be done by a registered electrician.
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