Why You Might Need a Mains Upgrade at Your Home in Croydon, Kilsyth, Bayswater or Chirnside Park
If your home in Croydon, Kilsyth, Bayswater or Chirnside Park hasn’t had an electrical mains upgrade in recent decades, it might be time to take a closer look. Whether you’re renovating, installing a new air conditioner, planning a kitchen overhaul or simply adding more appliances, your existing supply may not be up to the task.
Let’s look at when a mains upgrade becomes necessary—and why putting it off could be putting your safety or investment at risk.
What is a Mains Upgrade?
A mains upgrade involves replacing the electrical cable that runs from your electricity meter to your switchboard, or even further upstream to the point where the street supply connects to your property. The purpose is to increase the capacity of your electrical system so it can safely handle the demands of modern living.
In most older homes, the original supply was sized for far less than what current homes require. Think smaller hot water units, fewer circuits, no electric ovens, and no high-powered devices like induction cooktops, air conditioners or EV chargers.
Signs Your Property Needs a Mains Upgrade
Here are the most common indicators that your home might be overdue for an upgrade:
You’re Adding High-Demand Appliances
Adding items like an electric vehicle charger, spa, large ducted air conditioning, or a new kitchen with electric cooking will often tip your system over its limits. These modern installations can require more current than your mains can safely deliver. Without an upgrade, you may be stuck facing nuisance tripping, safety switch failures or even burnt wiring.
Lights Dimming or Flickering
When your lights flicker every time the kettle boils or the heater kicks in, that’s a classic sign the system is under strain. It often points to undersized or ageing mains that aren’t coping with your home’s needs.
Your Switchboard Was Already Upgraded
If your switchboard has recently been upgraded but your mains cable wasn’t touched, the job might be half done. We often find that old ceramic fuses have been replaced with a shiny new enclosure and safety switches, but the mains supply is still the original 6mm cable that was installed 50 years ago. Upgrading the switchboard without touching the mains can be like putting wide racing tyres on a car with a lawnmower engine.
Burning Smells or Heat Around Meters or Switchboards
This one is urgent. If you notice a smell of burning plastic or warmth around the electrical enclosure, meter box or switchboard, the wiring could already be overloaded. Older cables degrade over time, and under heavy load they can begin to heat up, damaging insulation and potentially creating a fire hazard.
You’re Renovating
Planning a full home renovation or extension is the perfect time to assess your supply capacity. It’s far easier (and cheaper) to carry out a mains upgrade when walls are open or trenches are already being dug. Trying to retrofit the cable after plaster or landscaping is complete can make an otherwise simple upgrade more costly.
Local Considerations in Croydon, Kilsyth, Bayswater and Chirnside Park
In suburbs like Croydon and Kilsyth, we often work on homes that were built in the 1960s through to the 1980s. Many of these homes still have their original cabling in place. These areas are full of solid brick homes that are being updated with modern kitchens, larger heating systems and even home offices with heavy computer loads—all of which push the electrical infrastructure beyond what it was originally designed to handle.
In Bayswater and Chirnside Park, a wave of knockdowns and rebuilds has created a mix of older homes beside new constructions. If you’re keeping the original structure but modernising the internal layout, make sure your supply isn’t forgotten in the process.
Homes in these suburbs are also increasingly adopting solar. In many cases, solar systems larger than 5kW can’t be safely connected unless the mains supply is suitable. A mains upgrade may be required before your solar installer can proceed, or they may be forced to downsize your system or add expensive export-limiting devices.
What Does a Mains Upgrade Involve?
- A full inspection of your existing setup, including cabling from the street or pit
- Load calculations to confirm what size cabling is required
- Disconnection and re-connection by your electricity provider
- New cabling installed through conduits, walls or underground trenches
- Upgrading or reconfiguring the switchboard if needed
- Certification of the work and notification to the distributor
Depending on access and site conditions, some jobs can be completed in one day. Others, especially those involving underground pits or poles, may require more planning and coordination with the energy distributor.
Safety First
A properly sized mains cable is more than a convenience—it’s a critical safety feature. Undersized or overloaded cables can overheat, leading to potential fire risk. Adding high-load devices to an outdated system can also create safety switch failures or tripped breakers that leave you without power when you need it most.
We suggest treating a mains upgrade as part of any major electrical planning. You may only do it once during your ownership of the home, so do it properly.
If you’re in Croydon, Kilsyth, Bayswater or Chirnside Park and unsure whether your home needs a mains upgrade, we’re happy to take a look. Our team at Verve Electrical can assess your system, advise on capacity and provide a clear quote for what’s required.
Got questions or need a site check? Contact us here!