Blocked Drains Sydney

In need of a blocked drain expert? We’ve been unblocking drains for over 25 years. There is no blocked drain we can't handle. From blocked sewers and stormwater drains to blocked sinks and toilets — we’re not afraid to get our hands dirty.

$0 Call Out Fee | 24/7 Emergency Service | Guaranteed In 30 Minutes

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NOW SERVICING NORTH SYDNEY

  • 35+ Years of Combined Experience
  • $0 Call Out Fees
  • Trusted by 15,000+ Sydney Families
  • Onsite in 30 - Minutes Guaranteed
  • In the community For the community

What Causes Blocked Drains?

Blocked drains rarely happen without warning. Understanding what causes blockages helps you take preventative action — and recognise when professional intervention is needed before a minor slow drain becomes a major plumbing emergency. Here are the most common causes our blocked drain plumbers encounter across Sydney homes and businesses.

Tree Root Intrusion

Sydney's older suburbs are lined with mature trees whose roots actively seek moisture. Roots penetrate pipe joints, cracks, and connection points — particularly in ageing clay and earthenware pipes common across the Eastern Suburbs, North Shore, and Inner West. Once inside, roots expand rapidly and create dense blockages that worsen over time.

Grease, Fat & Oil Build-Up

Cooking grease, fats, and oils poured down the kitchen sink solidify as they cool inside your pipes, creating sticky deposits that trap food particles and other debris. Over time, these accumulations narrow the pipe diameter and eventually form a complete blockage. This is the leading cause of blocked kitchen drains in both residential and commercial properties.

Hair & Soap Scum

Bathroom drains — particularly showers, bathtubs, and basin sinks — are highly susceptible to hair and soap scum accumulation. Hair binds with soap residue to form dense, matted blockages that restrict water flow and are difficult to remove without professional equipment.

Foreign Objects & Sanitary Products

Flushing items that do not break down in water — including wet wipes (even those labelled "flushable"), sanitary products, cotton buds, nappies, and children's toys — is one of the fastest ways to cause a blocked drain or blocked toilet. These items lodge in pipe bends and junctions, creating immediate or progressive blockages.

Broken, Cracked or Collapsed Pipes

Ageing pipes deteriorate over time due to ground movement, tree root pressure, corrosion, and general wear. Cracked or collapsed pipe sections restrict flow, trap debris, and create recurring blockages that cannot be resolved by clearing alone — they require pipe repair or relining.

Stormwater & Debris Ingress

Heavy rainfall washes leaves, dirt, sediment, and garden debris into stormwater drains and gutter systems. Blocked stormwater drains can cause localised flooding, water pooling around foundations, and backflow into internal drainage systems during storms.

Mineral & Scale Build-Up

In areas with hard water, mineral deposits accumulate inside pipes over time, narrowing the internal diameter and creating rough surfaces that trap other debris. Scale build-up is particularly common in older galvanised steel and copper pipes.

Poor Pipe Installation or Grade

Incorrectly installed pipes — including insufficient fall (gradient), improper joint connections, or undersized pipe diameters — create low-flow zones where waste and debris settle and accumulate. Poor installation is a common cause of chronic, recurring blockages.

Garden & Landscaping Runoff

Soil, mulch, sand, and garden debris washed into outdoor drains during watering or rainfall can accumulate and block both stormwater and sewer connections. Properties with recent landscaping work are particularly vulnerable.

Structural Defects in Sewer Mains

Ground movement, construction activity, and ageing infrastructure can cause misaligned joints, bellied pipes (sagging sections where waste pools), and structural failures in the main sewer line. These defects require CCTV inspection to identify and professional repair to resolve.

Types of Blocked Drains We Fix

Every blocked drain is different. The location, severity, and underlying cause of the blockage determine the most effective clearing method and whether further repair is needed. Proximity Plumbing's licensed blocked drain specialists handle every type of drain blockage — from simple household clogs to complex sewer line failures and stormwater emergencies across residential and commercial properties.

Blocked Drain Services by Type:

Blocked Sewer Drains

Blocked Sewer Drains

Sewer drain blockages are among the most serious — causing raw sewage backflow, foul odours, and significant health hazards. Tree root intrusion, collapsed pipes, and accumulated waste are the leading causes. We use CCTV inspection to locate the blockage and hydro-jetting or pipe relining to restore full sewer function.

Blocked Stormwater Drains

Blocked Stormwater Drains

Blocked stormwater drains cause water pooling, foundation damage, and localised flooding during heavy rain. Leaves, debris, sediment, and tree roots are the primary culprits. Our team clears stormwater blockages and repairs damaged stormwater pipes to protect your property from water damage.

Blocked Kitchen Sinks & Drains

Blocked Kitchen Sinks & Drains

Kitchen drain blockages are typically caused by grease, fat, oil, and food debris accumulating inside pipes. We clear kitchen blockages using hydro-jetting and mechanical methods, then advise on prevention to stop recurring build-up.

Blocked Toilets

Blocked Toilets

An overflowing or non-flushing toilet is both an inconvenience and a hygiene concern. Blocked toilets are caused by foreign objects, excessive paper, or downstream blockages in the sewer line. We diagnose the cause and clear the blockage — often in a single visit.

Blocked Bathroom Drains

Blocked Bathroom Drains

Shower drains, bath drains, and bathroom basin drains are prone to hair, soap scum, and product residue blockages. Our plumbers clear bathroom drain blockages and inspect downstream pipes to ensure there are no deeper issues contributing to slow drainage.

Blocked Pipes & Vent Pipes

Blocked Pipes & Vent Pipes

Blocked internal pipes and plumbing vent pipes cause slow drainage, gurgling sounds, and sewer gas odours inside your property. Vent pipe blockages are often caused by bird nests, leaves, or debris entering the roof vent. We locate and clear pipe blockages using CCTV and specialist clearing equipment.

Blocked Laundry Drains

Blocked Laundry Drains

Lint, detergent residue, and small items from pockets are common causes of blocked laundry drains. We clear laundry drain blockages and check the downstream connection to prevent recurring issues.

Blocked Commercial & Strata Drains

Blocked Commercial & Strata Drains

Commercial kitchens, multi-tenancy strata buildings, schools, and hospitality venues face high-volume, high-frequency drain blockages that require industrial-grade clearing and ongoing maintenance programs. We provide priority emergency response and scheduled maintenance commercial clients.

How We Unblock Your Drains

A fast, accurate diagnosis is the difference between a one-visit fix and an expensive, drawn-out repair. Proximity Plumbing invests in the latest plumbing diagnostic and clearing technology so that our blocked drain plumbers can identify the problem, recommend the most effective solution, and get the job done right the first time — in a single visit wherever possible.

Unlike plumbers who rely solely on basic drain snakes, we deploy a full suite of professional-grade equipment tailored to the specific type and severity of your blockage. Here is the technology behind every blocked drain repair we complete.

What Happens When You Call Our Blocked Drain Plumbers

When you call Proximity Plumbing for a blocked drain, you get to speak to a licensed plumber — not an answering machine and not a call centre. Our blocked drain process is designed to get a qualified tradesperson to your door as quickly as possible, diagnose the blockage accurately, and fix it right the first time with upfront transparent pricing and no obligation.

Our Blocked Drain Process

Step

One

1

Call & Speak to a Licensed Plumber

Call 0420 102 394, to speak to one of our licensed plumbers. No answering services, no call centre scripts. We assess your blocked drain situation over the phone and provide advice — including what steps you can take to minimise damage before we arrive.

Step

Two

2

Immediate Dispatch — 30-Minute Guarantee

We dispatch the nearest available blocked drain specialist to your location immediately. Our GPS-tracked fleet ensures we select the closest tradesperson, and we guarantee on-site attendance within 30 minutes of your call.

Step

Three

3

Arrival & CCTV Drain Inspection

Your plumber arrives in a clean, branded Proximity Plumbing vehicle, introduces themselves by name, and conducts a thorough on-site assessment. For most blocked drains, this includes a CCTV camera inspection to visually identify the blockage location, cause, and any underlying pipe damage — so you see exactly what we see.

Step

Four

4

Upfront Fixed-Price Quote — No Surprises

Before any work begins, you receive a clear, fixed-price quote covering all labour, materials, and any required follow-up. Our transparent pricing means no hidden fees and no extras added on site. The price you approve is the price you pay.

Step

Five

5

Professional Drain Clearing

Once you approve the quote, work begins immediately. Depending on the blockage type and severity, we deploy the appropriate clearing method — hydro-jetting, electric eel, drain rods, or a combination — using professional-grade equipment carried on every service vehicle.

Step

Six

6

Post-Clearing Inspection & Clean-Up

After clearing the blockage, your plumber runs a follow-up CCTV inspection to confirm the drain is fully clear and to check for any underlying pipe damage that may need attention. We clean the work area and leave the site as clean as we found it.

Step

Seven

7

Lifetime Labour Warranty & Prevention Advice

Every blocked drain repair is backed by our Lifetime Labour Warranty. Your plumber provides a detailed invoice with warranty documentation, advises on prevention measures specific to your drainage system, and our team follows up to ensure you are completely satisfied with the work.

Need Help Right Now?

Our team is ready to take your call and get a plumber to you fast. No delays, no call centres, just immediate assistance when you need it most.

CALL 0420 102 394

How Much Does It Cost to Clear a Blocked Drain?

One of the first questions people ask when they discover a blocked drain is "how much is this going to cost?" At Proximity Plumbing, we believe every home and business owner deserves transparent, upfront pricing — not vague estimates or hourly rates that escalate once the plumber is on site.

The cost of clearing a blocked drain varies depending on the type of blockage, the location within your drainage system, the severity of the obstruction, and the clearing method required. A straightforward blocked kitchen sink or bathroom drain will cost less than a deep sewer line blockage requiring CCTV inspection, hydro-jetting, and potential pipe relining. However, unlike many plumbing services that advertise a low starting price and add charges once on site, our fixed-price approach means the quote you approve is the final price you pay — with no exceptions.

What Affects Blocked Drain Pricing?

Several factors influence the cost of a blocked drain repair. The accessibility and depth of the blockage, whether specialist equipment such as CCTV cameras, hydro-jet units, or pipe relining systems are required, and the condition of the pipe itself all contribute to the final price. Tree root blockages in deep sewer lines are naturally more complex and costly than a hair clog in a shower drain. We assess every job on its individual merits and provide a detailed breakdown so you understand exactly what you are paying for.

Our Pricing Promise

$0 Call-Out Fee

We attend your property, inspect the blockage, and provide a quote at no charge. If you choose not to proceed, you owe nothing.

Fixed-Price Quotes

The approved price is the final price. No hourly rate surprises, no hidden fees, no extras added on site.

No Bait-and-Switch Pricing

We do not advertise artificially low prices to get in the door and upsell once on site. The quote reflects the actual work required.

No Obligation

If you are unhappy with the quoted price, you are under no obligation. No call-out fee and no charge for our time and advice.

Get A Free Blocked Drain Quote — 0420 102 394

Signs You Have a Blocked Drain

Blocked drains rarely appear without warning. In most cases, there are early signs that indicate a developing blockage — and catching these signs early can prevent costly emergency repairs, water damage, and health hazards. Here is what to look for.

Slow Draining Water

Water taking longer than usual to drain from sinks, showers, bathtubs, or laundry tubs is the most common early sign of a partial blockage forming inside the pipe.

Gurgling Sounds

Gurgling or bubbling noises from drains, toilets, or pipes — particularly when another fixture is in use — indicate air trapped by a blockage or a partially blocked vent pipe.

Foul Odours

Unpleasant sewage or rotten smells coming from drains, floor wastes, or around outdoor drainage points suggest organic matter is decomposing inside a blocked or partially blocked pipe.

Water Pooling or Rising

Water pooling around floor drains, in the shower recess, or rising in the toilet bowl when another fixture is used indicates a downstream blockage affecting multiple fixtures.

Overflowing Drains or Toilets

Water or sewage overflowing from drains, toilets, gully traps, or inspection openings is a clear sign of a significant blockage requiring immediate professional attention.

Lush Patches in the Garden

Unusually green or fast-growing patches of lawn or garden near sewer lines may indicate a leaking or cracked pipe beneath the surface — often caused by root intrusion or pipe failure.

Multiple Fixtures Affected

When more than one drain is slow or blocked simultaneously, the problem is likely in the main sewer line rather than an individual fixture — and requires professional diagnosis.

Fruit Flies or Drain Flies

Small flies congregating around drains indicate organic build-up inside the pipe that is attracting and supporting insect breeding — a sign of a developing blockage.

If you notice any of these signs, acting early is the most effective way to prevent a minor slow drain from becoming a major blockage or emergency. Call us on 0420 102 394 for a complimentary inspection — our $0 call-out fee means there is no cost to have a licensed plumber assess your drains.

Book A Free Drain Inspection — 0420 102 394

DIY vs Professional: When to Call a Blocked Drain Plumber

Not every blocked drain requires an emergency plumber. Some minor blockages — particularly slow-draining kitchen sinks or shallow shower clogs — can be safely managed with basic household methods. However, knowing where the line falls between a safe DIY attempt and a situation that demands professional intervention can save you time, money, and potentially serious property damage.

When You Can Try DIY

For minor, single-fixture blockages where water is draining slowly but has not stopped completely, you can try the following before calling a plumber. Use a plunger on the affected drain — ensure you have a good seal and use firm, consistent plunging action. For kitchen sinks, try pouring boiling water down the drain to melt grease deposits. A mixture of bicarbonate of soda and white vinegar can help break down organic build-up in bathroom drains.

Caution: Avoid using chemical drain cleaners from supermarkets or hardware stores. Many advertised drain cleaning products contain acid-based formulations that do very little to address blockages and can corrode the metal components of your drain system — particularly older pipes — leading to costly repairs. If a plunger and boiling water do not resolve the issue, it is time to call a professional.

When You Need a Professional Blocked Drain Plumber

Call us immediately if any of the following apply. 

  • The blockage affects multiple fixtures (sinks, toilets, showers draining simultaneously).
  • Sewage or wastewater is overflowing from drains, toilets, or gully traps.
  • You can smell sewer gas inside or outside your property.
  • Water is backing up into the property from floor drains or inspection openings.
  • The blockage recurs within days or weeks of clearing.
  • You suspect tree root intrusion or pipe damage.
  • The blocked drain is in a commercial property, strata building, or multi-tenancy site with compliance obligations.

In these situations, the blockage is almost certainly deeper than surface-level, involves structural pipe issues, or affects the main sewer line — all of which require professional CCTV inspection, specialist clearing equipment, and potentially pipe repair or relining to resolve properly. Attempting DIY on these blockages risks worsening the problem, causing water damage, or creating a health hazard.

When You Need a Professional Blocked Drain Plumber
Not Sure? Call Us For Free Advice — 0420 102 394

Who Is Responsible for Blocked Drains in Sydney?

In Sydney, responsibility for blocked drains is shared between property owners and Sydney Water. Understanding where your responsibility ends and Sydney Water's begins can save you time, confusion, and unnecessary expense when a blockage occurs.

Property Owner Responsibility

As a property owner, you are responsible for all drainage infrastructure within your property boundary. This includes the sewer pipes connecting your house to the main sewer line (known as your "private sewer"), all internal drainage, stormwater pipes on your property, and any shared private sewer lines that service multiple properties before connecting to the Sydney Water main. If a blockage occurs within these pipes, it is your responsibility to engage a licensed plumber to diagnose and clear it.

Sydney Water Responsibility

Sydney Water is responsible for the main sewer network — the larger pipes that run beneath public land (streets, footpaths, and easements) and collect wastewater from multiple properties. If you believe a blockage is in Sydney Water's infrastructure — for example, if the overflow is visible beyond your property boundary or on public land, or if you are experiencing sewage overflow while not using water on your property — you should contact Sydney Water directly on 13 20 90.

If you are unsure where the blockage lies, our plumbers can determine this during the CCTV inspection and advise you whether the issue is within your private drainage (your responsibility) or in the Sydney Water main (their responsibility). This assessment is included as part of our standard blocked drain diagnostic process at no additional charge.

Read Our Full Guide: Property Owners vs Sydney Water Respons

Residential & Commercial Blocked Drain Services

Blocked drains differ significantly between residential and commercial settings — in scale, complexity, compliance requirements, and urgency. Proximity Plumbing provides tailored blocked drain services for both sectors, with dedicated response protocols for each.

Residential Blocked Drains

Residential Blocked Drains

For Sydney homeowners and tenants, blocked drains typically involve individual fixtures — a slow kitchen sink, a clogged shower drain, or an overflowing toilet. In older properties, particularly across the Eastern Suburbs and Inner West, ageing clay and earthenware pipes are vulnerable to tree root intrusion, joint deterioration, and progressive collapse. Our residential blocked drain service focuses on minimal disruption, transparent pricing, and lasting solutions. We recommend engaging a plumber for a drain inspection every 6 to 12 months, particularly if you have a history of recurring blockages or mature trees near your drainage lines.

Commercial & Strata Blocked Drains

Commercial & Strata Blocked Drains

Commercial kitchens, strata buildings, schools, hospitality venues, and multi-tenancy properties face higher-volume, higher-frequency drain blockages that require industrial-grade clearing and a rapid response to avoid business interruption, compliance breaches, and multi-unit disruption. We provide priority emergency response for commercial clients, scheduled maintenance contracting with negotiated rates, and detailed reporting for strata managers and property managers. Our team understands trade waste compliance, grease trap regulations, and the urgency of keeping commercial operations running.

Preventative Drain Maintenance

The most cost-effective approach to blocked drains is preventing them from occurring in the first place. Proximity Plumbing offers scheduled drain maintenance programs designed to keep your drainage system flowing and catch developing problems before they become emergencies.

As part of a scheduled maintenance plan, our plumbers conduct regular CCTV drain inspections, clear early-stage build-up using hydro-jetting, and identify any structural issues that may require attention. Depending on your property's history and risk profile, maintenance visits can be scheduled monthly, quarterly, bi-annually, or as required.

Maintenance Plan Benefits

Reduced Emergency Costs

Scheduled maintenance catches small problems before they become expensive emergencies.

Extended Pipe Lifespan

Regular clearing and inspection protects your pipes from progressive damage.

Discounted Rates

Maintenance plan clients receive negotiated rates and priority booking.

Detailed Reporting

Every maintenance visit includes a CCTV report with footage, condition assessment, and recommendations

We suggest engaging a Sydney plumber every 6 to 12 months to ensure there are no unforeseen issues, especially if you have a history of blocked drains or mature trees near your drainage lines. You can book a $0 call-out fee for one of our plumbers to attend the site and carry out a complimentary investigation to determine the right maintenance schedule for your property.

Book A Maintenance Assessment — 0420 102 394

Blocked Drain Plumber Near You — Areas We Service

Proximity Plumbing provides blocked drain services across Sydney, with our fastest response times concentrated in the Eastern Suburbs, South East Sydney, Lower North Shore, Upper North Shore, and Western Sydney. Our GPS-tracked fleet of fully equipped service vehicles are strategically positioned to reach you within 30 minutes — wherever you are in the greater Sydney metropolitan area.

Blocked Drain Services by Region

Not sure if we cover your area? Call us on 0420 102 394 and we will confirm availability and estimated response time for your location.

Lifetime Labour Warranty on Every Blocked Drain Repair

Every blocked drain repair completed by Proximity Plumbing is backed by our Lifetime Labour Warranty. This means that if any issue arises with the workmanship of our repair — whether it is next week, next year, or a decade from now — we will return and rectify it at no additional cost to you. This warranty covers all labour performed by our licensed plumbers and is transferable to subsequent property owners.

In addition to our labour warranty, all materials and parts installed during a blocked drain repair — including pipe relining, replacement sections, and fittings — are covered by the manufacturer's warranty. We only use quality, Australian-standard-compliant components from reputable suppliers, and we provide full documentation of all parts installed so you have a clear warranty record.

Lifetime Labour Warranty

All workmanship guaranteed for life. If our repair fails, we fix it free.

Manufacturer Parts Warranty

All installed parts covered by manufacturer warranty with full documentation provided.

100% Satisfaction Guarantee

If you are not completely satisfied with our blocked drain service, we will make it right.

Why Sydney Trusts Proximity Plumbing for Blocked Drains

With over 2,100 five-star Google reviews, Proximity Plumbing is one of Sydney's highest-rated blocked drain services. Our reputation has been built on consistent delivery — turning up when we say we will, charging what we quote, and fixing the problem right the first time. Over 65% of our business comes from repeat customers and word-of-mouth referrals.

Plumber

CUSTOMER REVIEWS

4.9 out of 5

Based on 2,800 Reviews

2,406
90
45
16
22
Jordan

“Great customer service, price and communication from proximity. George came to complete several small jobs including fitting a new kitchen mixer tap and bathtub overflow. He was very knowledgeable and friendly throughout. The job was completed...”

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Annie

“More than happy with work done by Proximity Plumbing. James did an amazing job replacing a toilet in a short amount of time and leaving everything clean. The company is easy to deal with and very professional. Will use them again if the need arises...”

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Meet Your Emergency Plumbers

When you call Proximity Plumbing for an emergency, you are not getting a random subcontractor. You are getting one of our dedicated, full-time, licensed plumbers who knows our standards, carries our warranty, and takes personal pride in every job. Here are some of the team members you might meet during an emergency call-out.

Jason

Service Technician

6 years at Proximity Plumbing

4.9 from 215 Google reviews

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Callum

Install Technician

4 years at Proximity Plumbing

4.9 from 222 Google reviews

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Mark

Service Technician

5 years at Proximity Plumbing

4.9 from 232 Google reviews

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JB

Service Technician

8 years at Proximity Plumbing

4.9 from 230 Google reviews

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In the Community, for the Community

Proximity Plumbing is proudly embedded in the Eastern Suburbs community. Owned and operated by William and Emily, we are not a franchise or a call centre — we are your neighbours. Our team lives, works, and volunteers in the same suburbs we service, and we are proud to support local organisations that make our community stronger.

Ronald McDonald House Charities
Beyond Blue
Wayside Chapel
Pink Ribbon Day

Frequently Asked Questions About Blocked Drains

Blocked Drain Guides & Advice

Need a Blocked Drain Cleared Now?

Do not wait for the damage to get worse. Call Proximity Plumbing now and speak to a licensed blocked drain specialist. We will be at your door within 30 minutes — guaranteed — with a $0 call-out fee and transparent pricing.

Or fill out our Express Booking form for a callback within 15 minutes

  • $0 Call-Out Fee
  • Fixed Price Quotes
  • 30-Min Response
  • 24/7 Availability

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