Cost to Rewire a Gold Coast Home: What Actually Drives the Price

Byron Knight, Licensed Electrical Contractor

QLD Lic. 1511406 · 20+ years’ experience · Gold Coast & SEQ · Updated September 2026

You’ll find plenty of pages offering a per-square-metre figure or a neat range by bedroom count. We’re not going to, and it’s worth explaining why rather than just leaving a gap.

A rewire is not a product with a price. It’s a labour job whose scope is determined almost entirely by things you can’t see from the street — how the house is built, what’s already in the walls, how accessible the cavities are, and how much of the existing installation can stay. A published range that ignores all of that isn’t information. It’s an anchor, and it’s usually wrong in one direction or the other.

What follows is everything that actually determines the number, so you can look at your own house and understand where it’s likely to sit before anyone walks through the door.

First — do you actually need a full rewire?

Plenty of houses that get quoted for a rewire don’t need one. The word gets used loosely, and there’s a real difference between the options.

A switchboard upgrade is a fraction of the work a full rewire is. If the cabling behind your walls is in good order and the problem is old protection at the board, that’s the job — and being told otherwise is worth a second opinion. What drives a switchboard upgrade covers that scope separately, and RCD vs RCBO covers what protection should sit on each circuit once you’re there.

What genuinely triggers a rewire

These are the findings that move a house from “monitor it” to “replace it”:

• Aluminium wiring. A specific issue in homes from a particular era, and one of the clearest rewire triggers there is — though the scare is more imported than most people realise, which we’ve unpicked in whether aluminium wiring in older homes is dangerous
• Rubber or fabric-insulated cable. Insulation from the earliest eras degrades and becomes brittle, and once it’s crumbling there’s no repairing it circuit by circuit
• No earth on circuits. Very old installations may lack earthing on lighting or elsewhere, which can’t be retrofitted through existing cable
• Ceramic fuses and no RCD protection. Often signals an installation untouched in decades, though on its own it may only mean a board upgrade
• Insulation failing under test. Insulation resistance testing gives a measurable answer rather than an opinion, and it’s what separates a genuine rewire case from a sales pitch
• Repeated, unexplainable faults. A house producing new problems across different circuits is telling you something systemic — fault finding that keeps landing on the cabling itself is a signal, as is persistent switchboard tripping or flicker across multiple rooms
• Layers of undocumented additions. Decades of circuits added by varying hands with no records can reach the point where starting again is cheaper than untangling it

What actually drives the price

1. How the house is built

The single biggest factor, and it has nothing to do with size. Rewiring is fundamentally about getting new cable from A to B inside an existing structure, and how hard that is depends on construction.

This is why per-square-metre pricing misleads. A compact double-storey home with masonry walls can involve far more labour than a larger single-storey timber house with a walkable subfloor.

2. How much of it you’re doing

Circuit count matters more than room count. A house with a few basic circuits is a different job from one with dedicated circuits for air conditioning, a modern kitchen, an outbuilding and a pool. And the scope question isn’t only how many exist now — it’s how many you want when it’s finished.

3. What you’re upgrading while you’re in there

A rewire opens up decisions that would otherwise cost far more to make later:

• More power points, better positioned
• Dedicated circuits for appliances currently sharing one
• Lighting upgrades and additional lighting points
• Data and communications cabling
• Provision for future solar, battery or an EV charger
• Outdoor and security lighting
• Compliant smoke alarms, if the existing set isn’t

None of these are strictly part of a rewire. All are dramatically cheaper done now than retrofitted afterwards, which is why the scope conversation matters as much as the price conversation.

4. Access and occupancy

Whether you’re living in the house during the work changes the job materially. An occupied home means working room by room, maintaining supply to the rest of the house, protecting furnishings and packing down each day. A vacant house can be worked continuously, so the same scope takes noticeably longer occupied.

5. Making good

The part most often left out of comparisons. Cable runs sometimes require cutting into plaster, and the cost of patching, sanding and painting is real. Some quotes include making good, some include patching but not painting, some exclude it entirely. Two quotes can look very different purely because one accounted for this and the other left it for you to discover.

6. What gets found once it’s open

Older homes hold surprises — pest damage, previous unlicensed work, asbestos-containing materials, or structural conditions that change how cable can be routed. A good quote tells you what’s assumed and how variations would be handled, rather than pretending nothing unexpected can happen in a house nobody has opened up in forty years.

Gold Coast factors specifically

• Older timber homes around Palm Beach, Burleigh Heads, Currumbin and Miami often have the accessible subfloor and roof space that makes rewiring more straightforward — one of the few times older construction works in your favour
• Slab homes through Elanora, Reedy Creek and Varsity Lakes route everything through the ceiling, and low-pitch roofs slow that down considerably
• Beachside properties at Tugun, Bilinga and Coolangatta frequently need the switchboard replaced alongside the wiring, because salt-accelerated corrosion means the board is often in worse condition than its age suggests — see why coastal switchboards corrode faster
• Apartments and units bring body corporate approval and common property into the scope before work can start — where that boundary sits is its own question

Getting a quote you can actually compare

1. Have the installation properly tested, not just looked at. Insulation resistance testing tells you whether a rewire is genuinely warranted.
2. Get the scope in writing — circuit by circuit, room by room — so you know exactly what’s included.
3. Confirm whether making good is included, and to what standard.
4. Ask how variations are handled if something unexpected turns up.
5. Confirm the switchboard is in scope, since it usually needs replacing at the same time.
6. Check testing and certification are included, and that you’ll receive a certificate of testing and compliance on completion.

Then compare like with like. A cheaper quote with fewer circuits, no making good and no certificate isn’t cheaper.

When it’s worth doing anyway

Two situations where rewiring makes sense even without a fault forcing it.

You’re renovating. If walls and ceilings are already coming off, the access problem that drives most of the cost largely disappears. Rewiring during a renovation is meaningfully cheaper than rewiring the same house later — the same logic that applies to kitchen renovation electrical work, scaled up.

You’ve just bought. An empty house before you move in is the cheapest and least disruptive version of this job. If a pre-purchase electrical inspection flagged concerns, the window between settlement and moving in is the one to use.