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CCTV Drain Inspections and Water Jetting: How Blocked Drains Are Diagnosed and Cleared

Clearing a blocked drain and understanding why it blocked are two different jobs. High-pressure water jetting can remove many obstructions, while a CCTV drain inspection can show the condition of the pipe and reveal problems such as roots, damage or recurring build-up.

For more detail on the service itself, see our CCTV drain inspections page.

What high-pressure water jetting does

Water jetting uses high-pressure water through specialised drain equipment to break up and flush away many types of blockage and build-up.

What a CCTV drain inspection does

A drain camera allows the inside of accessible pipework to be inspected after or during diagnosis. It can help locate damage, roots, displaced joints and other problems.

Why the two methods are often used together

A badly blocked drain may need to be cleared before the camera can travel through it. Once flow is restored, inspection can help determine whether the blockage was isolated or caused by a pipe defect.

Recurring blockages deserve a closer look

If a drain repeatedly blocks in the same area, inspection may identify a structural cause rather than treating it as another routine blockage.

The result guides the next repair

If the pipe is sound, cleaning may be enough. If significant damage is found, options may include targeted drain repairs, replacement or relining depending on the situation.

Diagnosis avoids unnecessary excavation

Knowing the likely location and nature of a problem helps avoid digging up large areas without a clear reason.

Related plumbing services

You may also find these related service pages useful: CCTV drain inspections, high-pressure water jetting, drain repairs.

Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our CCTV drain inspections service page for the relevant plumbing options and next steps.

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Why Drains Keep Blocking: Common Causes and When to Call a Plumber

A drain that blocks once may have a simple local obstruction. A drain that keeps blocking is different. Repeated problems can indicate a restriction, damaged pipe, tree roots or another issue further along the drainage system.

For more detail on the service itself, see our blocked drains page.

Build-up inside the pipe

Grease, soap, hair and other material can gradually reduce the internal diameter of a drain until normal use causes it to block.

Tree roots

Roots can enter damaged joints or cracks and create recurring restrictions. Clearing the blockage may restore flow temporarily without fixing the damaged section.

Damaged or displaced pipes

Cracked, collapsed or poorly aligned drainage can catch waste and lead to repeated blockages.

The blockage may be further away than you think

If several fixtures are affected, the issue may be in a shared drain rather than the individual sink, shower or toilet.

Why repeated plunging is not enough

A plunger may move a soft local blockage, but it does not diagnose structural problems or remove roots and heavy build-up further along a drain.

When professional drain cleaning helps

Depending on the cause, plumbers may use drain cleaning equipment, high-pressure water jetting or other methods to restore flow.

Recurring blockages need inspection

If the same drain keeps failing, identifying why it blocks is more useful than simply clearing it again.

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You may also find these related service pages useful: blocked drains, tree root removal from drains, sewer, drains and blockages.

Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our blocked drains service page for the relevant plumbing options and next steps.

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Roof Plumbing and Drainage: Gutters, Downpipes, Flashings and Box Gutters Explained

Roof plumbing is the system that collects and directs rainwater from the roof. Gutters are only one part of it. Downpipes, flashings, valleys, box gutters and stormwater connections all need to work together to keep water moving in the intended direction.

For more detail on the service itself, see our roof plumbing page.

Gutters

Gutters collect runoff along roof edges and direct it toward outlets and downpipes. Their size, condition and fall all affect performance.

Downpipes

Downpipes move water from the gutter to the stormwater system or approved discharge point. Restrictions or poor connections can cause roof drainage to back up.

Roof flashings

Flashings help manage water around penetrations, junctions and changes in roof geometry. Damaged or incorrectly detailed flashings can allow water into the building.

Box gutters

Box gutters sit within or between sections of a roof rather than along an exposed edge. Because overflow can affect the building quickly, their drainage and maintenance are especially important.

Roof valleys

Valleys concentrate water from multiple roof planes. Problems can occur if debris, damage or poor drainage restricts the flow.

Stormwater connection

Roof drainage does not end at the downpipe. The underground stormwater system also needs to carry the collected water away.

Look at the complete water path

When diagnosing a roof water problem, follow the path from roof surface to gutter, downpipe and stormwater outlet rather than looking at one component in isolation.

Related plumbing services

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Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our roof plumbing service page for the relevant plumbing options and next steps.

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Gutter Problems That Can Cause Water Damage Around Your Home

Gutters and downpipes are designed to move roof water away from the building. When they are blocked, damaged or poorly connected, large amounts of rainwater can overflow into places that were never intended to handle it.

For more detail on the service itself, see our roofing and guttering page.

Overflowing gutters

Leaves and debris can restrict water flow, but overflow can also occur when the gutter or outlet cannot move water away effectively.

Leaking joints or damaged sections

Water dripping from joins, corners or holes can stain walls and concentrate water near the base of the building.

Downpipe problems

A damaged, disconnected or blocked downpipe can cause gutters to back up or discharge water beside the house.

Poor gutter fall

Gutters need suitable fall toward outlets. Standing water between rain events can be a sign that sections are holding water.

Problems at roof valleys and flashings

Some roof leaks are related to the way water is directed into gutters rather than the gutter itself. Valleys and flashings should be considered when leak patterns appear near roof junctions.

Ground drainage still matters

Even well-functioning gutters can create problems if downpipes discharge into blocked or inadequate stormwater drainage.

Treat roof water as one system

Gutters, downpipes, flashings and stormwater connections all work together. Fixing only the visible overflow may not solve the underlying drainage issue.

Related plumbing services

You may also find these related service pages useful: roofing and guttering, gutter repairs, downpipe replacement.

Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our roofing and guttering service page for the relevant plumbing options and next steps.

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Shower and Bathroom Plumbing Problems: Leaks, Pressure and Drainage

Bathrooms combine water supply, drainage, fixtures, waterproofed areas and high daily use, so several different problems can produce similar symptoms. A wet floor, weak shower or slow drain does not always have the same cause.

For more detail on the service itself, see our bathroom plumbing page.

Leaking shower fittings

Drips from shower heads or mixers may involve worn cartridges, seals or tapware components. Visible leaks at fittings are different from water escaping behind the wall.

Low or inconsistent pressure

Pressure problems can be isolated to one fixture or affect the wider property. Blocked shower heads, mixer faults and system pressure issues should be considered separately.

Slow shower drainage

Hair, soap and other debris can restrict shower wastes. If several drains are slow, the problem may be further down the drainage system.

Water outside the shower area

Water on the bathroom floor can come from plumbing fittings, screens, seals, wastes or waterproofing-related issues. The source needs to be identified before repairs are chosen.

Vanity and basin leaks

Slow leaks under vanities can damage cabinetry before they are noticed. Check wastes, tap connections and valves if moisture appears inside the cabinet.

Recurring problems need diagnosis

If a bathroom issue returns after a simple repair, it is worth checking the broader plumbing rather than continuing to replace individual components.

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Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our bathroom plumbing service page for the relevant plumbing options and next steps.

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Toilet Repairs vs Replacement: When Does Each Make Sense?

A faulty toilet can often be repaired, but not every toilet is worth repeatedly fixing. The right option depends on which component has failed, the condition of the pan and cistern, compatibility of parts and whether other problems are present.

For more detail on the service itself, see our toilet repairs page.

Common toilet repairs

Running cisterns, faulty inlet valves, worn outlet valves and some leaks can often be repaired without replacing the whole toilet.

When replacement becomes more practical

A cracked fixture, major deterioration, repeated faults or difficulty sourcing compatible parts can make replacement more sensible.

Check the water connection and isolation

A toilet repair is also a good opportunity to check the isolation valve, flexible connection and surrounding pipework for wear or leaks.

Flushing problems are not always the toilet

A toilet that flushes poorly may have a cistern issue, but a blocked or restricted drain can produce similar symptoms. The cause should be identified before replacing the fixture.

Consider the bathroom as a whole

If a renovation is already planned, replacing an ageing toilet at the same time may be more efficient than repairing it shortly before the room is rebuilt.

Get the fault diagnosed first

A plumber can identify whether the problem is a serviceable component, the fixture itself or the drainage connection.

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Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our toilet repairs service page for the relevant plumbing options and next steps.

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Water Leak Detection: Why Finding the Source Matters Before Repairing Damage

When water appears on a wall, ceiling or floor, the visible damage is not always directly below the leak. Water can travel along pipes, framing and building materials before it becomes noticeable. That is why finding the source matters before repairs begin.

For more detail on the service itself, see our water leak detection page.

The visible wet spot may not be the source

Water follows gravity and building surfaces. A stain in one room can sometimes originate from plumbing several metres away.

Different leaks need different repairs

A leaking fitting, damaged pipe, failed appliance hose and waterproofing issue are not repaired in the same way. Diagnosis prevents unnecessary work.

Avoid opening more of the building than necessary

Targeted leak detection can help narrow the likely area before walls, floors or cabinetry are disturbed.

Pressure testing can provide clues

Depending on the problem, testing sections of the plumbing system can help determine whether water is escaping from supply pipework.

Repair the plumbing before the finishes

Once the source is identified and repaired, the affected area can be dried and building repairs planned with more confidence.

Recurring moisture deserves further investigation

If staining returns after painting or patching, the underlying leak may still be active or another moisture source may be present.

A clear diagnosis saves guesswork

The goal of leak detection is to move from ‘there is water here’ to a practical understanding of what is leaking and what needs to be repaired.

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Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our water leak detection service page for the relevant plumbing options and next steps.

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Hidden Water Leak Signs: How to Spot a Problem Early

Not every plumbing leak creates an obvious puddle. Water can escape behind walls, under floors, beneath cabinets or underground for some time before the source becomes visible. Knowing the common warning signs can help you investigate earlier.

For more detail on the service itself, see our hidden water leak detection page.

Unexpected water use

A noticeable increase in water use without a clear change in household habits can be a reason to check for leaks.

Damp or musty smells

Persistent damp smells around bathrooms, kitchens, laundries or cupboards may indicate moisture where it should not be.

Staining or swelling

Discoloured walls, swollen skirting, bubbling paint or damaged cabinetry can develop when water is leaking behind finished surfaces.

Changes in flooring

Timber, laminate and some other floor finishes can move, swell or lift when exposed to moisture from below.

Sounds of running water

If you hear water movement when fixtures are off, it may be worth investigating the plumbing rather than assuming the sound is normal.

Wet areas outside

Unexplained damp soil, persistent green patches or wet areas can point to underground water leaks, although irrigation and drainage should also be considered.

Find the source before repairing the damage

Drying or repainting the visible damage will not solve the problem if the leak is still active. Leak detection focuses on locating the source so the right repair can be made.

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Need help with this type of plumbing?

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Gas Leak Warning Signs and What to Do Next

A suspected gas leak should be treated as a safety issue, not a maintenance task to investigate casually. Gas may be noticed by smell, unusual appliance behaviour or other warning signs. If you believe there is an active leak, prioritise getting people away from danger and seeking professional help.

For more detail on the service itself, see our gas leak detection page.

Possible warning signs

A strong gas odour, hissing near pipework, unexplained gas use or appliances behaving abnormally can indicate a problem. Not every symptom confirms a leak, but suspected gas faults should be taken seriously.

What to do if you suspect an active leak

If it is safe to do so, move away from the suspected area. Avoid flames, smoking and anything that could create a spark. Do not continue trying to locate the leak yourself.

  • If there is immediate danger, contact emergency services.
  • Contact the relevant gas emergency service or distributor where appropriate.
  • Arrange inspection by an appropriately licensed gas fitter.

Do not rely on smell alone

Gas systems and appliances can develop faults that are not obvious. If there is a reason to suspect a problem, professional testing is more reliable than trying to confirm it by smell.

Gas leak detection

A licensed professional can test the system, isolate sections and determine whether the issue is in the pipework, appliance connection or another part of the installation.

Repairs should follow the diagnosis

The correct repair depends on where the fault is found. Replacing random fittings without identifying the source can leave the underlying issue unresolved.

Safety first

If you are unsure whether a situation is safe, leave the area and seek professional or emergency assistance rather than continuing to investigate.

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Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our gas leak detection service page for the relevant plumbing options and next steps.

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Gas Appliance Installation: What Should Be Checked Before Connection?

A new gas cooktop, oven, heater or other appliance needs more than a nearby gas pipe. The existing supply, appliance specifications, installation location and connection method all need to be suitable before the appliance is commissioned.

For more detail on the service itself, see our gas appliance installation page.

Confirm the appliance requirements

The model and manufacturer information should be available before installation. Different appliances can have different gas, ventilation and clearance requirements.

Check the gas supply

Existing pipework needs to be suitable for the connected appliances. Adding another appliance can change the demand on the system.

Plan the appliance location

Cabinetry, walls, ventilation and service access can all affect where an appliance can be installed and how it is connected.

Make sure isolation is practical

Gas appliances need appropriate isolation so they can be serviced safely in the future.

Do not treat gas like a DIY connection

Gas work should be carried out by an appropriately licensed gas fitter. Connections, testing and commissioning are safety-critical parts of the installation.

Coordinate gas and cabinetry early

For cooktops, ovens and outdoor kitchens, gas points should be positioned before finished cabinetry makes changes difficult.

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You may also find these related service pages useful: gas appliance installation, gas fitting, gas pipe installation.

Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our gas appliance installation service page for the relevant plumbing options and next steps.