EV charger installation in Cottesloe.
Coastal limestone homes, salt in the air, and a lot of EV drivers who want the install done properly the first time.
The install
What a Cottesloe install actually looks like
Most of Cottesloe west of Stirling Highway is limestone, jarrah trim and terracotta tile. Some homes have been extended two or three times over. That means the switchboard you inherit is often the original from a renovation twenty years ago, sitting near a laundry or a side path, and it is usually the first thing that has to change before a charger is safe to add.
Cable runs here are rarely short. Garages tend to sit at the back of the block, the switchboard sits at the front, and there is often a section of external limestone wall in between. We run in UV rated conduit, we bracket every metre, and we terminate into a weatherproof isolator right next to the charger so you can kill power to it without pulling the main.
The salt air is the other Cottesloe reality. Cheap brass fittings pit within a year here. Every screw, gland and lug we use in Cottesloe is marine grade stainless or coated for coastal exposure. It costs a little more per install and it is the reason your charger still looks new in five years.
Charger picks
Which charger suits a Cottesloe home
myenergi Zappi GLO
Solar diverting, quiet, and the sealed housing handles the salt air. Best pick for the majority of Cottesloe homes that already have PV.
View the myenergi guide
Tesla Wall Connector Gen 3
If you drive a Tesla and you do not care about solar routing, the Wall Connector is the cleanest looking option and the fastest to commission.
View the Tesla guide
Fronius Wattpilot Home 22
For the newer Cottesloe builds with three phase, the Wattpilot gives you 22kW headroom without changing chargers when you upgrade the car.
View the Fronius guide
Solar first
Solar first, then the car
Cottesloe has heavy solar penetration. Around two thirds of the homes we visit here already have 6.6kW or larger PV, and about a third are running batteries as well. That changes the recommendation completely.
If your system is exporting to the grid at 3c per kWh, sending that same energy into the car is worth roughly ten times more. A solar diverting charger like the Zappi pays for the difference in under two years for most Cottesloe drivers we quote.
Recent install
A recent Cottesloe install
- Location
- Broome Street, Cottesloe 6011
- The home
- 1930s limestone character home, 6.6kW rooftop solar added in 2019, single phase supply.
- The charger
- Zappi GLO 7kW with the tethered Type 2 cable. Mounted on the external limestone wall next to the carport.
- Outcome
- Cable run of 14 metres in UV conduit along the eaves. New RCBO and dedicated EV circuit added to the switchboard. Half day on site, tested and handed over the same afternoon.
What to know before install day in Cottesloe
- Heritage overlays apply to a chunk of the older streets. Anything visible from the road needs to be sensitive. We recommend colour matching the conduit or running it inside the roof cavity where possible.
- Some Cottesloe homes still have 63A single phase mains. If you want anything faster than 7kW you will need a supply upgrade through Western Power, which we can coordinate.
- Beachside driveways with crushed limestone often have no viable path for a subterranean cable. Overhead runs are cleaner and easier to inspect later.
Cottesloe EV charging questions
Do I need three phase for a charger in Cottesloe?+
No. Single phase 7kW is plenty for most Cottesloe drivers doing under 300km a week. Three phase makes sense if you plan to add a second car or you want future proofing for a bigger battery vehicle.
Will the charger cope with the salt air?+
Only if the installer picks the right one and uses coastal grade hardware. We only quote chargers with sealed IP65 or better housings for Cottesloe, and we use stainless fasteners throughout.
How long does a typical Cottesloe install take?+
Half a day if the switchboard is modern. A full day if the switchboard has to be replaced first. Almost always finished the same day.
EV charger installation in Perth, answered
The questions we get asked most by WA homeowners, answered by the electricians who do the work.
Does Western Power need to be notified about my EV charger?+
For a standard single phase 7kW charger on an existing supply, no separate application is usually needed. Your electrician still lodges the required notice of completion with Building and Energy WA. If the install needs a bigger main switch, a service upgrade, or a move to three phase, that does go to Western Power first and it adds time to the job, so we check it before quoting.
Is single phase or three phase more common in Perth homes?+
Most Perth houses are single phase, which caps a home charger at about 7.4kW. Newer estates in areas like Ellenbrook, Baldivis and Canning Vale are more likely to have three phase already at the board, and a lot of older knock down rebuilds get it too. Lift the switchboard cover and count the incoming actives, or send us a photo and we will tell you.
Which Synergy plan is best once I have a home charger?+
Synergy runs time of use options aimed at EV owners with a cheap overnight window and a cheaper midday window built around WA's solar surplus. Charging in those windows rather than the evening peak is where the real savings sit. Check current rates on Synergy's site before switching, because the windows and prices change.
Should I charge from my solar instead of the grid in Perth?+
Usually yes. WA feed in tariffs are low, so exporting midday solar earns you very little while grid power costs several times more. A solar aware charger such as a myenergi Zappi or Fronius Wattpilot watches your export at the switchboard and pushes surplus into the car instead of sending it out for a few cents.
Do coastal Perth suburbs need a different charger?+
If you are in the salt spray zone near the coast from Mullaloo through Scarborough, Cottesloe and Fremantle, outdoor units cop corrosion. We fit chargers rated IP65 or better, use stainless or marine grade fixings, and where possible mount the unit inside the garage with only the tethered lead exposed.
What about summer heat and charger derating?+
Perth summers regularly sit over 40C, and a charger baking in full afternoon sun can throttle its output to protect itself. West and north facing walls are the worst spots. We site the unit in shade or under eaves where we can, which keeps it charging at full rate and extends the life of the electronics.
Can I get a charger installed in a Perth apartment or strata complex?+
Yes, but it is a different job to a house. You need strata approval, a metering plan so the electricity bills back to your lot rather than common property, and often a load managed charger so the building's supply is not overloaded. We put that documentation together for the strata council as part of the quote.
How does a limestone driveway or brick paving affect the cable run?+
Plenty of Perth homes have the switchboard on one side and the parking on the other, with paving or limestone in between. Where we can, we run the cable through the roof space or along the eaves to avoid lifting anything. When trenching is unavoidable we lift and relay pavers rather than cut them, and that extra work is priced up front, not added later.
Are there WA rebates for home EV chargers?+
WA does not currently run a state rebate on home charger installs. The EV rebate scheme that ran on vehicle purchases has closed. The saving comes from the tariff side instead: charging off peak or straight off your own solar. We will not quote a rebate that does not exist.
Who is legally allowed to install an EV charger in Perth?+
A licensed WA electrical contractor. The circuit has to be dedicated, protected by the correct RCD type for the charger, and wired to AS/NZS 3000 with the EV specific requirements of AS/NZS 3012 and the manufacturer's instructions. Candela is licensed under EC# 15317 and fully insured, and you get the compliance paperwork on completion.
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