22 March 2026
Warning Signs Your Melbourne Home Needs Rewiring
Old wiring is one of the most common causes of house fires in Australia. Here are the warning signs Melbourne homeowners should never ignore.
Warning Signs Your Melbourne Home Needs Rewiring
Electrical faults are one of the leading causes of house fires in Australia. In many cases, the wiring responsible was decades old — and the warning signs had been present for months or years before the incident.
Melbourne has a significant stock of homes built in the 1950s, 60s, and 70s. Many of these properties still contain original wiring that was never designed to handle the electrical load of a modern household — multiple televisions, air conditioning systems, EV chargers, induction cooktops, and dozens of devices running simultaneously.
Knowing the warning signs of failing or inadequate wiring could protect your home, your family, and your investment.
7 Warning Signs Your Home May Need Rewiring
1. Frequently Tripping Circuit Breakers
An occasional tripped circuit breaker is normal. Breakers tripping regularly — especially on the same circuit — is a sign that your wiring is struggling to handle the load being placed on it.
Older homes often have circuits designed for far fewer devices than modern households use. If you're constantly resetting breakers or you've noticed specific circuits that trip under normal use, the wiring on those circuits needs professional assessment.
2. Flickering or Dimming Lights
Lights that flicker or dim when an appliance turns on — a washing machine, air conditioner, or microwave — indicate that your wiring may not be delivering adequate power. This is often a sign of undersized wiring, loose connections, or an overloaded circuit.
Persistent flickering with no obvious cause — lights flickering even when nothing else switches on — is a more serious warning sign and should be investigated promptly by a licensed electrician.
3. Burning Smell or Scorch Marks Around Power Points
Any burning smell coming from a power point, light switch, or switchboard is an immediate concern. Scorch marks or discolouration around outlets indicate that wiring has already been generating excessive heat.
Do not continue using a power point that smells burnt or shows scorch marks. This is a fire risk and requires urgent attention from a licensed electrician.
4. Power Points That Feel Warm to Touch
Power points should never feel warm. If outlets, switches, or power boards are warm to the touch — even without anything plugged in — it indicates a wiring fault that is generating heat inside your walls.
5. Buzzing or Crackling Sounds from Switches or Outlets
Electrical systems should be silent. Any buzzing, crackling, or sizzling sound from a switch, outlet, or your switchboard is a sign of arcing — electricity jumping across a gap in damaged or degraded wiring. Arcing is a direct fire hazard and should be treated as an emergency.
6. Old or Outdated Wiring Types
Melbourne homes built before the 1980s may contain wiring types that are now considered inadequate or unsafe by modern standards:
Rubber-sheathed wiring — used in homes built before the 1960s. The rubber insulation degrades over time, becoming brittle and prone to cracking, exposing live conductors.
Aluminium wiring — used in some homes during the 1960s and 70s as a cheaper alternative to copper. Aluminium wiring expands and contracts more than copper with temperature changes, loosening connections over time and creating fire and fault risks.
Ungrounded (two-wire) systems — older homes without a proper earth conductor provide no protection against electrical faults reaching the chassis of appliances or the user.
If you don't know what type of wiring your home contains, a licensed electrician can inspect and advise.
7. Switchboard Is Old or Has Ceramic Fuses
If your home still has a switchboard with ceramic fuses rather than modern circuit breakers and safety switches (RCDs), your electrical system is significantly outdated.
Modern safety switches disconnect power in milliseconds when a fault is detected — fast enough to prevent electrocution. Ceramic fuses provide no such protection. They also frequently fail to blow under fault conditions that could cause fires.
A switchboard upgrade replaces ceramic fuses with circuit breakers and installs safety switches across all circuits — one of the most important electrical safety investments a Melbourne homeowner can make.
How Old Is Too Old for Home Wiring?
There is no fixed expiry date for electrical wiring, but as a general guide:
- Under 20 years: Likely in good condition if properly installed
- 20–40 years: Worth having inspected, particularly if any warning signs are present
- Over 40 years: Should be professionally inspected — many homes of this age contain wiring that is undersized, degraded, or no longer compliant with current standards
- Pre-1970s construction: High likelihood of rubber-sheathed or other outdated wiring that warrants thorough inspection
If you're purchasing a property in Melbourne and the age of the wiring is unknown, an electrical inspection before settlement is strongly advisable.
What Does a Rewire Involve?
A full or partial house rewire involves replacing existing wiring with modern copper wiring sized for current electrical loads, installing or upgrading the switchboard, and fitting safety switches on all circuits.
The scope depends on the condition and extent of existing wiring. Some homes require only partial rewiring — specific circuits or areas — while others benefit from a complete replacement.
EAY Electrical carries out thorough electrical inspections across Melbourne's north west before recommending any rewiring work. We assess what is actually necessary rather than recommending the broadest possible scope.
EAY Electrical: Melbourne's North West Rewiring Specialists
EAY Electrical has been working in Melbourne's north west suburbs for over five years, including extensive experience in the older residential properties common throughout Essendon, Pascoe Vale, Strathmore, Coburg, and surrounding areas.
We understand the specific electrical challenges of Melbourne's older housing stock — the wiring types commonly found in these homes, the switchboard configurations typical of different eras, and the most effective approaches to bringing them up to current safety standards.
All rewiring work is carried out by fully licensed Victorian electricians and complies with current Australian wiring standards.
Frequently Asked Questions
How do I know if my home has old rubber wiring? A licensed electrician can identify wiring types during an inspection. Signs that may suggest older wiring include a very old switchboard, ceramic fuses, and visible wiring in roof cavities that appears brown, black, or brittle rather than white or grey.
How much does a house rewire cost in Melbourne? Rewiring costs vary significantly based on home size, accessibility, and extent of work required. Contact EAY Electrical for a free inspection and accurate quote specific to your property.
Is a switchboard upgrade the same as a rewire? No. A switchboard upgrade replaces the fuse board with modern circuit breakers and safety switches. A rewire replaces the wiring throughout the home. Both may be needed in older properties, but they are separate works. EAY Electrical can advise which is appropriate after an inspection.
How long does a house rewire take? A partial rewire of specific circuits typically takes one to two days. A full rewire of a standard Melbourne home typically takes three to five days depending on size and complexity.
Is it safe to stay in the house during a rewire? Typically yes for partial rewires. For full rewires, power will be disconnected for periods during the work. EAY Electrical discusses scheduling and access requirements with every client before work begins.
If you've noticed any of these warning signs in your Melbourne home, don't wait.
Contact EAY Electrical for a free electrical inspection — fast response, no obligation.
Related reading: Full Home Rewiring in Flemington | Electrical Safety Inspection Melbourne
Related Reading
- Full Home Rewiring in Flemington: What It Costs, What's Involved, and When You Need It
- Is Your Home's Switchboard Safe? 7 Warning Signs Melbourne Homeowners Shouldn't Ignore
- Electrical Safety Inspection in Melbourne: When You Need One and What It Covers