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Blocked Drains · Leak Detection · Hot Water Systems · Taps · Toilets · Kitchens · Bathrooms

Top 5 Ways To Tell You Have A Blocked Drain


The easiest way to know if you have a blocked drain is checking visually.

Is there a drain blocked in your toilet, shower, bath or sink?

Are they draining slower than usual?

If a blockage is particularly bad, water may not drain all the way or drain at all.

If this is likely then the blockage is likely in the fixture itself. If all the water systems are backed up, then the problem lies in the sewer drain.

The toilet is often the main driver for a blockage in your home. If you flush your toilet and it only causes the water to rise, then you’ve got a blocked drain.


The Smell

The most unpleasant smells are a big giveaway to a blocked drain.

Foul smells are bad for your home and can really stink your bathroom.

If something has blocked the drain and begun to rot, you will know about it.

The smell may first appear before any visual symptoms emerge.

If you catch a bad breath of foul smell, then don’t ignore it because it could tend to stink your whole property. Call a plumber immediately!


Sounds Coming From Your Pipes

Another good way to tell you have a blocked drain is by listening.

If the pipes and fixtures sound different than usual, it could be an indication of a blocked drain.

Gurgling noises from drains, shower floors, toilet flushes, and pipes are early warnings.

The sound is created when air is trapped in the pipes in the pipes by the blockage is displaced and pushed up through the system.

Any one of these symptoms on their own is cause for concern.



One of the best indicators for a blocked drain is overflow.

If you flush your toilet and it doesn’t stop filling and starts to overflow.

There are 2 causes for the toilet to overflow.

One, if it is clogged in the bowl.

Or two, a clog further down in the s-shaped or drain pipe can back up.

If it keeps overflowing shut off the supply line to stop the flow of water.

If it keeps overflowing, the problem is likely a backup from either a drain pipe or the main sewer line.


Takes Too Long To Drain

A sign your pipes are probably backed up is the slow draining of water from your bathroom sinks, toilets, bathtubs and bathroom showers.

Bath and toilet water should create a whirlpool motion above the drain to indicate it is flowing efficiently, whereas showers should only take a second or two to empty once you’ve turned off the water.

Sink water should drain steadily and quickly, with no back wash.

If any of these take longer than usually to drain, it’s a sign that debris or other objects are blocking the way.

You can attempt to unblock the drain yourself, however it’s always best to call a professional plumber.