Blocked Drain Services – Clearing, Repair & Replacement

A blocked drain can start with slow water flow, strange noises or unpleasant smells — and quickly turn into an overflowing toilet, sewer backup or damaged pipe.

The Plumbing & Electrical Doctor provides professional blocked drain services across our NSW and ACT service areas. Our licensed plumbers use CCTV drain cameras, high-pressure water jetting and modern pipe repair technology to find the cause of the problem and recommend the right solution. Whether your drain simply needs clearing or the pipe itself is cracked, damaged or collapsed, we’ll explain your options before work begins.

24/7 service. Upfront pricing. No hidden surprises.

40+ Years Experience

Licensed & Insured

24/7 Service

Fixed Pricing

Work Guaranteed

Blocked Drain Found Using Drain Camera

Signs You May Have a Blocked Drain

Blocked drains do not always stop flowing completely straight away. Many problems develop gradually.

Common warning signs include:

  • Water draining slowly from sinks, showers or baths
  • Toilets that repeatedly block or struggle to flush
  • Gurgling noises from drains or toilets
  • Unpleasant smells coming from drains
  • Water backing up into another fixture
  • Overflowing outdoor or stormwater drains
  • Multiple fixtures becoming blocked at the same time
  • A blockage that keeps returning after temporary clearing

If several fixtures are affected at once, the problem may be deeper in the drainage or sewer line rather than in an individual sink or toilet.

What Causes Blocked Drains?

There is no single cause of every blocked drain. The right solution depends on what is obstructing the pipe and whether the drainage system itself is damaged.

Common causes include:

Grease, Fat & Food
Waste
Cooking oils, fats and food particles can build up inside kitchen drainage pipes over time and gradually restrict water flow
Hair, Soap & Bathroom Buildup
Hair, soap residue and other debris can collect inside shower, bath and basin drains and create stubborn blockages.
Wipes & Foreign
Objects
Items such as wipes, sanitary products, excessive paper and other objects can become lodged in toilets or sewer pipes.
Tree-Root
Intrusion
Tree roots can enter underground drains through damaged joints or cracks, creating recurring blockages and further pipe damage.
Stormwater
Debris
Leaves, soil and other outdoor debris can obstruct stormwater drainage systems, particularly after heavy rain.
Cracked, Collapsed or Ageing Pipes
Sometimes the blockage is only a symptom. Damaged or deteriorated pipework can restrict water flow and repeatedly trap debris.
That is why recurring blocked drains may require more than simply clearing the obstruction.

How We Diagnose a Blocked Drain

Before recommending repairs, our plumbers work to identify what is actually causing the drainage problem. Depending on the situation, this can include:

Plumber Working On Site Using Drain Camera

Initial Drain Assessment

We check which fixtures are affected, how the water is draining and whether the problem appears isolated or connected to the main drainage system.

CCTV Drain Inspection

A CCTV drain camera can be sent through the pipe to locate the blockage and inspect the condition of the drainage system.

This may help identify:

  • Tree-Root Intrusion
  • Cracks and Damaged joints
  • Pipe Deterioration
  • Heavy Buildup
  • Collapsed Sections
  • Foreign Objects
  • Recurring Problem Areas

Choosing the Right Solution

Once we understand the problem, we can recommend the most suitable option.

That may involve:

Drain clearing if the pipe is still structurally sound.

Drain relining or patching if there is isolated pipe damage that can be repaired without major excavation.

Drain replacement if the pipe is badly collapsed, deteriorated or beyond practical repair.

Our Blocked Drain Solutions

Root Intrusions

Professional Drain Clearing & Cleaning

For blockages caused by grease, debris, foreign objects, roots or other obstructions, professional drain clearing may be enough to restore proper flow.

Our plumbers use equipment such as high-pressure water jetters and specialist drain-clearing tools to remove stubborn obstructions. Where required, CCTV inspection can also be used before or after clearing to check the condition of the pipe.

Best suited for:

  • Slow Or Blocked Sinks
  • Blocked Toilets
  • Blocked Showers And Baths
  • Sewer Blockages
  • Stormwater Blockages
  • Grease and Debris Buildup
  • Some Tree-Root Blockages
A Plumber Getting Ready for a Plumbing Job

Drain Relining & Pipe Patching

If the blockage is being caused by cracked or damaged pipework, full excavation may not always be necessary.

Drain relining creates a new internal lining inside the existing pipe, while patch repairs can target smaller damaged sections. This can provide a less invasive alternative to digging up large areas of a yard, driveway or property.

Best suited for:

  • Cracked Pipes
  • Damaged Pipe Joints
  • Recurring Tree-Root Intrusion
  • Isolated Damaged Sections
  • Pipes that are suitable for trenchless repair

The pipe is normally cleaned and inspected before relining begins.

Drain and Sewer Replacement​

Drain & Sewer Replacement

Some drainage pipes are too badly damaged to clear or reline effectively.

Full or partial replacement may be recommended where the pipe has:

  • Collapsed
  • Severely Deteriorated
  • Multiple Damaged Sections
  • Major Structural Problems
  • Reached the end of its usable life

Our plumbers inspect the drainage system first so replacement is recommended only where it is the appropriate long-term solution.

Licence Tradie

Which Blocked Drain Solution Do I Need?

Not every blocked drain needs the same repair.

A simple way to think about the options is:

The pipe is healthy but blocked → DRAIN CLEARING

The obstruction is removed using professional drain-clearing equipment.

The pipe is damaged but can still be repaired → DRAIN RELINING OR PATCHING

The damaged section may be repaired from inside the existing pipe.
The pipe is collapsed or severely deteriorated → DRAIN REPLACEMENT

The damaged section or sewer line may need to be replaced.
You do not need to diagnose the problem yourself.

Our plumbers can inspect the drainage system and explain the available options before approved work begins.

Our Blocked Drain Solutions

1. Tell Us What’s Happening

Call us or book online and let us know what you are experiencing — whether it is a slow drain, blocked toilet, overflowing sewer or recurring drainage issue.

2. We Inspect the Problem

Our plumber assesses the affected drainage system and may use CCTV equipment where required.

3. We Explain the Options

Once the problem is identified, we explain the recommended solution and pricing before proceeding.

4. We Clear or Repair the Drain

Depending on the condition of the pipe, this may involve professional drain clearing, relining, patching or replacement.

5. We Check the Result

Where appropriate, the drainage system can be checked again to confirm the blockage has been cleared or the repair completed successfully.

Why Choose The Plumbing & Electrical Doctor?

Trusted for 40+ Years

A family-owned name serving customers across our service areas for decades.

Licensed & Insured Plumbers

Our plumbers are qualified and insured to carry out professional plumbing and drainage work.

Modern Drain Technology

We use professional equipment including CCTV drain cameras, high-pressure water jetting and modern pipe repair methods.

Upfront Pricing

We explain the recommended work and pricing before approved work begins.

Workmanship Guaranteed

We stand behind the plumbing work we complete.

Work Guaranteed

We stand behind the workmanship and materials used on our plumbing services.

Blocked Drain Services Across Our Service Areas

Our plumbing teams provide blocked drain services across our core NSW and ACT service regions.
Choose your area for local plumbing information and availability.

DRAINS CLEARED FROM

$99*

Must use code: WEB-99 when calling

Blocked Drain Pricing

The cost of clearing or repairing a blocked drain depends on the nature of the problem.
Factors can include:

  • Location of the blockage
  • Severity of the obstruction
  • Equipment required
  • Whether CCTV inspection is needed
  • Condition of the pipe
  • Whether Clearing, Relining or Replacement is required

Where a current promotional drain-clearing offer applies, include it clearly here together with the relevant terms and conditions.

Our team explains recommended work and pricing before approved work begins.

What Newcastle Customers Say

Eva O'Reilly
Eva O'Reilly
Great service. Clear, friendly and helpful communication from start to finish regarding arrival times and what needed to be done. Andrew did a great job that I'm really happy with. Highly recommend.
Louis Rizzo
Louis Rizzo
Reasonable price · $1,500–2,000
Had the guys install a new dishwasher and check the drainage line from it. Very happy with the communication and repair work. Very polite staff Services Drain cleaning, Installation
Robert Keenan
Robert Keenan
Very professional and informed us about all the issues we had. Advised us what was required and gave us various options to help us budget. Kept us updated on progress and process. Friendly and respectful tradesmen
Price assessment Reasonable price
Price A$5,000+
Services Drain cleaning, Plumbing pipe repair, Sewer repair
TPED Plumber FAQ's

Frequently Asked Questions About Blocked Drains

How do I know if I have a blocked drain?

Common signs include slow drainage, gurgling noises, unpleasant smells, overflowing drains, recurring toilet blockages or several fixtures backing up at the same time.
The best method depends on the cause and location of the blockage. Professional plumbers may use high-pressure water jetting, specialist drain equipment or CCTV inspection to locate and clear the obstruction.
Yes. Tree roots can enter underground drainage pipes through cracks or damaged joints and may eventually restrict water flow.
Yes, CCTV drain inspection can be used where appropriate to identify the location of a blockage and inspect the condition of underground pipework.
If inspection reveals cracks or structural damage, options may include drain relining, patch repair or replacement depending on the severity of the problem.
No. Many blockages can be cleared without excavation, and some damaged pipes may be suitable for trenchless relining.
Yes. Recurring blockages may indicate an underlying pipe problem, which is why inspection can be useful before repeatedly clearing the same drain.
Yes. Our plumbing teams provide emergency drainage assistance across our service areas, including after-hours call-outs.
Yes. Contact our team to discuss drainage problems affecting commercial properties as well as homes.

Need Help With a Blocked Drain?

Whether your drain needs clearing, relining or replacement, The Plumbing & Electrical Doctor can diagnose the problem and recommend the right solution.

24/7 Plumbing Service
Licensed & Insured Plumbers
Upfront Pricing
Professional Drain-Clearing Technology

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