Smelly Drains Sydney: Find the Cause, Fix the Smell
A sewer smell from the shower, the sink, the laundry or the yard has a cause, and it is rarely the drain cleaner in the cupboard. Licensed plumbers find it, whether that is a dry trap, a build-up in the line, a broken vent or a cracked pipe, and fix it with the price agreed before any work starts.
- $0 call-out fee*No charge just to come and look
- Fixed Price QuotesUpfront pricing before work starts
- Aussie owned & operatedFamily-owned in Sydney since 2010
- Lifetime guaranteeIf our work fails, we fix it
Licensed & insured · Lic #306457C
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Where Drain Smells Come From
Five causes account for almost every smelly drain we attend. Each one has a different fix, which is why we find the cause before we quote.
A Dry Or Faulty Trap
Every drain has a water seal that stops sewer gas coming back up. A floor waste or spare bathroom that is rarely used dries out; a trap that was fitted wrong never seals. Refilling or refitting it ends the smell.
Build-Up In The Line
Grease, soap and hair coat the inside of the pipe and rot. The drain still runs, but it smells. Jet blasting scours the line back to bare pipe.
A Blocked Or Slow Sewer
When the smell comes with gurgling, slow drains or an overflow gully that fills, the sewer line is blocking. Clearing it and camera-checking the cause fixes the smell for good.
A Broken Or Missing Vent
The sewer vent on the roof lets gas out above the house. A blocked, cracked or removed vent pushes it back through the traps instead. We check and repair the vent.
A Cracked Pipe Under The Floor
A smell that hangs in one room, or in the yard after rain, can be a cracked sewer pipe leaking under the slab or the lawn. A camera inspection finds it and we quote the repair or reline.
What Kind Of Smell Is It?
Three ways a drain smell shows up, and what each usually means.
One Drain, Rarely Used
A guest bathroom, a floor waste or a laundry tub that smells when nobody has run water there for weeks. Almost always a dry trap. Do this now: run the tap for a minute and see if the smell goes.
Smell With Gurgling Or Slow Drains
Sinks draining slowly, a toilet that gurgles when the shower runs, water in the overflow gully. The sewer line is blocking and the smell is the warning.
Smell Outside Or After Rain
Sewer gas in the yard, near the gully or along a side path, worse after rain. A broken vent, a cracked pipe or a full septic. This one needs the camera.
How We Fix A Smelly Drain
Find the cause, fix the cause, then prove the smell is gone.
Cause firstTrace The Smell
We check the traps, run water at every fixture, smoke or camera the line where needed, and tell you exactly where the gas is getting in.
Fixed price firstQuote The Fix
A trap refit, a jet blast, a vent repair or a pipe repair are different jobs at different prices. You get one fixed price for yours before any work starts.
Proven goneFix And Check
The cause is fixed, every drain is run and checked, and if the line was cleared the camera confirms it is clean.
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Get Rid Of The Smell For Good
Tell us where the smell is and when it is worst, and a licensed plumber will call you back to book a time and a fixed quote.
- Fixed Price QuotesOnce the cause is found, you get one fixed price for the fix. You say yes before any work starts, and the price does not move.
- No Call-Out Fee*No charge for a licensed plumber to come out and look during business hours. After hours and on weekends a call-out fee may apply, and you are told before anyone is sent.
- Pay Later At 0%If the cause turns out to be a cracked sewer, spread the fixed price over a 0% interest payment plan.
*Terms and conditions apply.
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Smelly Drain FAQs
Answer:
Sewer gas is getting past the water seal in a trap, or out of a pipe that should be sealed. The usual causes are a dry trap in a drain that is rarely used, a build-up rotting inside the line, a sewer that is starting to block, a broken roof vent, or a cracked pipe. Each has a different fix, which is why we find the cause first.
Answer:
Sometimes it masks a build-up for a week, but it does nothing for a dry trap, a broken vent or a cracked pipe, and repeated use damages older pipes. If the smell comes back, the cause is still there.
Answer:
A dry trap smells until water is run, then stops. A blocking sewer smells more after heavy use. A cracked pipe or a vent problem is often worse after rain or on windy days. Telling us when it happens helps us find it.
Answer:
It depends on the cause. Refilling or refitting a trap is a small job; jet blasting a line or repairing a vent is more; a cracked sewer is a repair or a reline. Once the cause is found you get one fixed price, agreed before any work starts.
Answer:
In a house it is unpleasant more than dangerous, but it should not be there. A strong smell with gurgling or water in the overflow gully means the sewer is blocking, and that becomes an overflow if it is left.
Answer:
Yes. We cover the whole of Sydney. Tell us where the smell is and when it happens and a licensed plumber will call you back with a time.
Drain Plumbers Across Sydney
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Upfront fixed pricing quoted before any work starts. Terms and conditions apply.
