Clear smelly drains, breathe easy again.
Bad smells coming from your bathroom drains? It's a common issue in Melbourne homes — but you don't have to live with it. Mr Drainage clears and cleans smelly bathroom drains effectively, getting your bathroom smelling fresh again.
Rated 5.0 by locals
4,000+
Drains cleared across Melbourne
Problems caused by smelly bathroom drains
A smelly drain is more than an annoyance — left untreated, it can affect your health, home and hip pocket:
Health concerns
Bacteria and mould release harmful particles — prolonged exposure can trigger allergies and respiratory issues.
Sewer gas exposure
A faulty P-trap lets in gases like hydrogen sulphide, which can cause headaches, nausea or dizziness.
Poor air quality
Odours spread through the house, lingering in living spaces and disrupting the freshness of your home.
Pest attraction
Smelly drains attract pests like drain flies, creating the perfect environment for an infestation.
Decreased home value
Persistent odours signal deeper plumbing issues, lowering your property's appeal to guests and buyers.
Smelly drains can lead to bigger plumbing problems if left untreated — address the root cause early.
What causes smelly bathroom drains?
Soap scum residue
Soap residue hardens in the drain, trapping bacteria and producing foul smells over time.
Bacterial growth
Bacteria thrive in warm, damp drains — as they feed on organic material they release smelly gases.
Mould and mildew
Bathroom humidity promotes mould and mildew inside drainpipes, causing musty odours.
Dry P-trap
A dried-out P-trap can no longer block sewer gases, letting strong sewage-like odours escape into your bathroom.
Our process to clean smelly bathroom drains
- 1
Inspection and diagnosis
CCTV cameras inspect your bathroom pipes to identify the cause of the smell — a blockage, build-up or hidden issue deep in the plumbing.
- 2
Drain clearing and odour removal
High-pressure water jets and specialised tools clear the blockages, then we eliminate the bacteria and mould so the smell is completely removed.
- 3
P-trap and vent maintenance
If the P-trap has dried out we refill it to keep sewer gases out, and check drain vents to ensure proper airflow and prevent future odours.
Tips to prevent smelly bathroom drains
Remove hair from drains
Regularly clear visible hair and debris from shower and sink drains to prevent odour-causing build-up.
Keep oils and lotions out
Oils and creams solidify in pipes. Wipe excess with a cloth and bin it instead of rinsing it down.
Ventilate your bathroom
An exhaust fan or open window reduces moisture, preventing mould and mildew in the drains.
Professional cleaning
Scheduled drain maintenance keeps your bathroom drains clear, functional and odour-free.
Ready when your drains aren't.
No call-out fee, CCTV diagnosis and same-day clearing — backed by the Flow Safe Plumbing team.
The experts in odour-free drains
Expert plumbers
Our team brings decades of expertise and the most advanced tools to guarantee the job is done right from the start.
On-time service
A smelly drain needs prompt attention — we turn up on time with efficient solutions to fix the issue quickly.
No call-out fee
With no call-out fee and transparent pricing, getting professional help for smelly drains is hassle-free.
Why wait? Call Mr Drainage at any hour.
Our 24/7 team is ready to restore your drains to their pre-blockage condition - no matter the scale. Avoid costly damage and get a fast response today.
Smelly drain FAQs
The questions we hear most about smelly bathroom drains.
Why does my bathroom drain smell worse after it rains?
Heavy rain can overwhelm the sewer system, causing backups that let sewer gases enter your home. If your P-trap or venting is compromised, the problem is even more noticeable during and after rainfall.
Can a clogged shower drain cause smells in other parts of the bathroom?
Yes. A blockage in one drain can impact the whole plumbing system, pushing foul odours up through other connected drains in the bathroom.
Why does my bathroom sink drain smell worse at night?
Sewer gases accumulate more at night when water usage is lower, allowing odours to build up and escape through a dry or faulty P-trap.
Is it normal for new bathroom fixtures to cause smelly drains?
It can happen — lingering odours after installation may come from trapped debris or an improper connection. It's worth checking for leaks or venting issues if smells appear after new fixtures go in.
Could my home's plumbing layout contribute to smelly drains?
Yes. Improper venting or long stretches of horizontal piping can trap debris, leading to blockages and unpleasant smells over time.