How to detect blocked drains or pipework

Posted by: Carly Temple on 11th October 2021

If you think you might have a blockage in your drains or pipework, it’s important to act quickly to avoid any serious damage or overflowing to occur. In this blog, we’ve put together some of the ways you can detect blocked pipes or drains and when you should call on a professional for help:

Detecting a blockage

The following are signs to look out for when trying to detect blocked drains or pipes:


Gurgling Sounds

The first sign of a blocked drain or pipe is often the sound of gurgling. This is caused by air being trapped in the drain and escaping when water is running. It’s important to remember that gurgling alone doesn’t always mean that something is blocked, but when partnered with the other warning signs below, it could indicate a problem.

Water Draining Slowly

A sign of a drainage problem could be water draining away slowly from your sink, toilet or shower. If you notice that water is draining slowly from all of these, then it is very likely that your drains are suffering from a blockage. If only one appliance, say just your toilet for example, is experiencing an issue, then the blockage is more than likely only in a pipe that is connected to the specific appliance.

Unpleasant Odours

A bad smell coming from your pipes is often a sign that something is blocked. The smell is often caused by bits of food being stuck in the pipes and decomposing. Bacteria is aggravated by water, so running the tap can actually make odours much worse.


Experiencing two or more of the warning signs above?

At Carshalton Boilers, we have experienced plumbers on hand to help resolve any issues with pipework or drains that you may be experiencing. With over 50 years of experience across all aspects of plumbing, you’ll be reassured to know that we can take on any of your plumbing challenges, in both domestic and commercial settings.

If you are noticing two or more of the signs of a blockage, call us immediately on 020 8395 8060 and we’ll arrange a plumber to visit you. We pride ourselves on carrying out work to the highest standards, so we will endeavour to get your drains and pipes back to full working order as quickly as possible.

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