Flickering Lights in Your Normanhurst Home
A flickering light is usually a small warning before it becomes a bigger one.
Sometimes it's a cheap globe. Sometimes it's the wiring behind the wall.
Call (02) 9134 9024 and we'll help you tell the difference.
What Flickering Lights Actually Mean
A light flickers when the current reaching it isn't steady.
That instability can start at the globe, the fitting, the switch, or somewhere further back in the circuit.
LED globes are especially sensitive to small voltage changes that older incandescent globes never showed, which is one reason flickering seems more common since the switch to LED lighting.
A single flickering globe is often nothing more than that globe. A whole room, or lights across the house dimming together, points to something bigger.
Worth ruling out early: check if it happens with the fitting off a dimmer switch entirely, since that alone can explain a surprising amount of flicker in older homes.
When Flickering Lights Are Urgent
Most flickering is annoying rather than dangerous.
Watch for a burning smell, a switch or fitting that's warm to touch, or a light dimming hard every single time another appliance kicks in. Any of those tip it into urgent territory.
That last one is a sign the circuit is under real strain, not just a loose globe.
Dimming that recovers within a second or two is usually tolerable for now. Dimming that lingers, or gets worse over consecutive days, is the pattern that needs a proper look.
Sparking at the switch, or a flicker paired with a tripping breaker, both need a same-visit look rather than waiting it out.
Common Causes of Flickering Lights
Here's what usually causes flickering lights, from most to least common.
- A loose globe or fitting: the simplest cause, and the easiest to rule out first.
- A failing dimmer switch: older dimmers weren't built for LED loads and can flicker as a result.
- A loaded circuit: too much running through the one circuit, dimming under demand.
- A loose connection: a wire that's worked slightly free somewhere in the circuit.
- Voltage fluctuation: the supply itself varying slightly, more noticeable on LED fittings.
- An ageing switchboard: a board no longer holding a steady supply under normal household load.
The first three causes are usually cheap and quick. The last three tend to mean a proper visit, since they involve wiring you can't see or touch safely yourself.
What To Do Right Now
- Try a new globe first. If a single fitting is flickering, this rules out the cheapest cause quickly.
- Note when it happens. Storms, certain appliances, or a particular time of day are useful clues.
- Check nearby rooms. Flickering that spreads beyond one fitting is a different problem to one stubborn light.
- Call (02) 9134 9024 if more than one light is affected, or if a globe swap doesn't fix it.
How We Fix the Fault for Good
We start with the fitting and switch, since that's the fastest thing to rule in or out.
If the fault sits further back, we work our way toward the board, testing for loose connections, overload or a failing component along the way.
Repairs are carried out to AS/NZS 3000 standard, and we'll fit a proper dimmer or upgrade the circuit where the current setup genuinely can't cope.
Anything notifiable is lodged with a Certificate of Compliance once the job's done.
Where the cause turns out to be dimmers mismatched to LED globes, that's a straightforward swap for the correct gear, not a wiring job at all.
Prevention Beats Repair
A little attention now saves a callout later.
- Match dimmers to LED globes rather than mixing old and new technology.
- Spread heavy appliances across more than one circuit.
- Get loose connections re-terminated as soon as they're spotted.
- Have the switchboard checked if flickering coincides with other symptoms like tripping.
- Replace old fittings that have simply worn out their contacts over the years.
- Ask about smart dimming compatible with LED if you're renovating a room anyway.
Federation and inter-war homes across the suburb are especially prone to the loose-connection cause, since original wiring wasn't designed with today's number of fittings and appliances in mind. A renovation or extension often exposes exactly this kind of ageing joint once walls come open.
It's also worth mentioning the reverse case: newer infill homes near the station rarely have this problem from age, but can still see it from an entertainment system or home office adding load nobody accounted for when the house was wired.
Servicing Normanhurst and Nearby Suburbs
If the same circuit is also switching itself off, that's the same underlying overload showing up two different ways.
Buzzing or humming from the board itself while the lights flicker is worth reading up on separately, over on our noisy board page.
Our electricians cover this fault through Normanhurst and out to Hornsby, Wahroonga and Beecroft most weeks.
Call Us Today, We Will Sort It
Flickering lights are easy to dismiss until the pattern gets worse.
Ring (02) 9134 9024 for an honest diagnosis and a written price, often same or next day.
Common questions
Your Flickering Lights FAQs
Answers to what we're asked most about flickering lights. Anything else, call (02) 9134 9024.
Will the repair come with a certificate?
Yes, on notifiable work. NSW Fair Trading holds a copy, useful proof if you sell or need to show the fault was properly resolved.
Does insurance care about non-compliant repairs?
It can. An insurer may reject a claim if faulty wiring turns out to be behind it and the repair history isn't above board.
How much does it cost to fix flickering lights?
It ranges from a simple fitting swap to a deeper wiring fix. You'll have a fixed number in writing before we touch anything.
Is it my appliance or my wiring?
Flickering tied to one appliance switching on is usually the wiring struggling with the load. Flickering with nothing else running points more toward the fitting or connection itself.
Why does it only happen at night or in storms?
Extra load after dark, from heating or entertainment systems, can push an already-stretched circuit over the edge. Storms add moisture and wind-driven movement into the mix.
How do you find the fault behind flickering lights?
We check the fitting and switch first, then trace back through the circuit to the board if the problem isn't sitting where it first appears.