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WAHROONGA · 2076

Electrician in Wahroonga

Heritage homes, old wiring and careful work for Wahroonga's large federation properties.

Licence 487170CNSW electrical contractor
Fully insuredPublic liability
Local to the HillsOn the road here daily

What we actually see in Wahroonga

Wahroonga is the most heritage-heavy suburb we work in — substantial federation and Californian bungalow homes on large, established blocks, many of them in or adjoining conservation areas.

Electrically that means two things at once. First, the same rubber-insulated and cloth-covered wiring that makes Pennant Hills a rewire suburb, but in larger houses with more circuits and more of it. Second, real constraints on how the work can be done. You cannot chase cable through decorative plasterwork, pressed metal ceilings or original joinery the way you can through 1980s gyprock, and in a conservation area some external work has planning implications.

That makes the approach different rather than the electrical principles. Rewiring a Wahroonga federation home is a careful, staged job that routes cable through roof spaces, subfloors and existing chases wherever possible, and accepts that some rooms will be more difficult and more expensive than others. Anyone quoting it at a flat per-room rate hasn't looked at the house.

The other Wahroonga theme is scale. These are big homes with long cable runs, multiple living areas, often a pool and outbuildings, and increasingly two EVs. Boards that were adequate for a 1970s retrofit are frequently well short now.

Wahroonga questions

Can you rewire a heritage home without damaging it?

Not without some access, but far less than people fear. Cable routes through roof spaces, subfloors and existing chases wherever possible, and the job is staged so difficult rooms are planned rather than improvised. Decorative plaster, pressed metal ceilings and original joinery all get worked around, not through.

Does a conservation area affect electrical work?

Internal work generally isn't affected. External changes — a visible meter box relocation, external conduit, solar on a street-facing roof — can have planning implications in a conservation area, and it's worth checking before rather than after.

Why is rewiring a Wahroonga home more expensive?

Size and access. These are large houses with more circuits and longer runs, and the construction is less forgiving than modern gyprock. A flat per-room quote on a federation home usually means nobody has actually looked at it.

Can I add two EV chargers?

Often, with load management or a three phase supply. On a large Wahroonga home the board is usually the constraint rather than the supply, and we'd work out which applies before quoting.

Is my switchboard original?

Frequently not — most of these homes have had a board fitted somewhere along the way, often in the 1970s or 80s. The question is whether that board provides RCD protection and has any spare capacity, and usually the answer is no to both.

What customers say

★★★★★

Jason solved a really complex problem for our house with excellent professionalism and workmanship. Highly recommend, would def work with him again. On time delivery and within budget.

Raghav Murali-Ganesh · May 2026
★★★★★

Jason onsite quickly and completed the work on the spot, giving us a good price and was very polite. Would highly recommend.

Hans Banneck · March 2026
★★★★★

Jason was reliable, knowledgeable and communicated the problem in simple terms to understand with patience. Highly recommend his ability to troubleshoot and solve the complicated light issues.

Cameron Johnstone, Northern Beaches · April 2026

These are Google reviews for our team at Cync Electrical & Automation — the licensed contractor behind Hills Electrician. 5.0 from 20 reviews.see the profile

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